The United States is home to thousands of engineering and mechanical design firms that have worked on projects for many top companies. Whether you’re looking for help designing a product or are just interested in seeing what’s out there, we’ve rounded up 101 of the best for you to check out.
1. Cad Crowd
Cad Crowd helps clients connect with freelance 3D modelers, product design services, drafting services, 3D rendering professionals, and other professionals in the field of engineering and design. If you’re looking to hire help for your modeling project, they’re your first stop.
2. 219 Design
An interdisciplinary design and engineering firm based in Silicon Valley. Its services mainly focus on a combination of product development and management. They specialize in mechanical, electrical, and software engineering. Previous clients include BMW and NASA.
It is a design consultancy firm that provides design research, engineering assessment, prototyping, and product development management services. Recent clients of 245 Product Development Group include ADTEC Digital, Casablanca Fan Company, and B/E Aerospace.
The person behind aarn is Aaron Panone, an engineer and self-producing designer. The product development firm focuses on creating logistics outfits and rugged consumer goods. The firm has even launched some house brands including aarn Plastics and aarn Transmission.
The main capabilities of AB Controls include designing and manufacturing laboratory equipment solutions and test equipment. They also offer turnkey product development and manufacturing support. Some high profile clients include B/E Aerospace, Pfizer, and Panasonic.
Adherend Innovations specializes in design finite element analysis including both explicit and implicit implications. The firm also offers to manufacture composite materials such as thermoplastic polymers and thermosets. Their portfolio includes Project Cedrus (composite hydrofoil) and RipeLocker.
A product development firm that does its best work in product prototyping and testing. This company is willing to collaborate with manufacturer partners to supervise the production process. It has compiled a portfolio with popular products such as Plume Wi-Fi, SanDisk Cruzer Contour, and GoPro Hero5.
8. Ansync Labs
Comprised of a small team of engineers with various specializations, Ansync Labs provides nearly all of its product development services under one-roof with a full-range electronics assembly line and manufacturing shop. It has worked on medical instruments and connected devices.
An end-to-end digital products development firm, Anubavam has broad expertise in mobile app design and large-scale cloud computing. The firm has developed and launched hundreds of mobile and web projects for start-ups and large corporations. Clients include Samsung, Landmark Group, and AstraZeneca.
An engineering and design firm that specializes in software development—more specifically UI/UX design for medical applications—Areteworks has gathered impressive design experience over the years. Some of its best works are Ormco Digital Orthodontist and Thermo Fisher DXR xi Raman Microscope.
11. Aria Group
Having a massive 60,000 square feet of product development facilities, Aria Group is a capable industrial-scale engineering firm. It designs, creates, and manufactures all sorts of product prototypes. The Aria FXE hybrid supercar showcases what the firm can do.
The Art of Mass Production is an engineering company that focuses on product development designed for mass production. Its engineering services are mainly concerning thermoplastics (also specialty and commodity plastics). Clients include Nokia, HP, Bosch, and Whirlpool Corporation.
An award-winning product development firm, ATech Designs, Inc. works on clients’ ideas and turns them into designs ready for manufacturing. It has worked on high-tech devices including a Programmable Electrode Array Knitting (PEAK) Machine and SmartSite Needle-Free IV Valves.
The company has been in the industrial design market for more than 20 years, offering services for complete product development, medical devices, and embedded systems. Clients who have worked with them include Bayer Diagnostics, Boston Scientific, Cybex International, Pentax Medical, and more.
They are a full-service product development and engineering firm providing its assistance right from the beginning of concept generation all the way through to functional design. Bay Area Innovations also help clients with production tooling and manufacturing sourcing.
There have been more than 2,000 projects in bb7’s portfolio in the last 15 years; 80% of which went to market. The firm has worked with well-known clients including Motorola, Bosch, John Deere, Baxter, and Thermo Fisher Scientific. They work on product engineering, manufacturing, and assistance.
An interdisciplinary engineering firm, BC Mechanical Design does the entire product development process including concept validation, product mock-ups, 3D printing, manufacturing support, and certification assistance. Some of its high profile clients are GoPro, FUJITSU, Juniper Networks, and Cisco.
Specializing in electronic products, Blue Clover Devices has grown from a design firm into an ODM (original design manufacturer) with more than 100 staff. It has partnered with well-known clients such as Volkswagen, Audi, Herman Miller, Peachtree Audio, and Audyssey Labs.
All product development services from the company are done under one roof, from the research process to short-run production. Blur Product Development works on medical devices, consumer goods, electronics, and industrial products. Its best work includes Altopa OBlend and Adaptec Sensica.
Brainchild Engineering is a turnkey product development company. However, they also offer stand-alone engineering support for a wide range of industries. They have partnered with Detroit Audio, Michigan SoilWorks, Boekel Scientific, Jack Doheny Companies, GoBout, and more.
The firm focuses on providing engineering and manufacturing assistance to small- and medium-sized tech companies. They work by complementing clients’ teams or handling product development projects as a whole. Design experiences include projects with Cisco and Dell.
A design firm that focuses on product development stages, from sketches to 3D modeling. Completed works are product concepts with 3D visualizations ready for prototyping and manufacturing. CAD Design Company also offers free consultations regarding product ideas and the development process.
23. Catapult Design
Catapult Design offers product development services including a commercialization strategy aimed at the low-income target market. The firm handles early product development stages from concept to design review before it engages with third-party vendors for CAD models and manufacturing.
Founded in 2006, Connectable Design & Dev has grown into a sizable product development company that thrives with its “turnkey” nature. It covers all stages of product development from ideation and engineering to prototyping and manufacturing. High profile clients include Vodafone, Samsung, Sennheiser, and BMW.
Most of Creative Engineering’s product development services are aimed at businesses. They cover everything from concept sketches to prototype fabrication. The firm offers its service as a consultant for independent inventors. Some of its best work includes the EverTune and the Roomba vacuum.
26. Cusp Development
Cusp Development is a small firm with a track record sprinkled with awards including IDEA Gold, SPARK Award, and the Chicago Athenaeum Good Design Award. Some of the firm’s best works are Tech Bed, Speck Products’ smartphone case, and Perspecta Spatial 3D.
When Engineered Packaging Solution (EPS) and SCS merged into one, Custom Case Group became their brainchild. As the name says, they design and provide heavy-duty custom cases for various brands such as Anvil, Pelican, Wilson, and Zarges. Applications include military, industrial, medical, UAV, and more.
28. Customs Factory
The specialization of Customs Factory is vehicle engineering. They use CAD/CAM as well as generative design to handle rapid prototyping, testing, and low-volume production runs all without requiring massive financial capital on the clients’ part. They’ve partnered with Nissan, Kia, Toyota, Dodge, and Fiat.
Datum3D is an experienced product development firm that offers comprehensive product engineering services including turnkey development, cost analysis, and DFM&A consulting. Their portfolio is filled with various works for big names such as Bose, Siemens, Cognex, Hamilton Storage, and Honeywell.
An end-to-end product development firm, Design Integrity offers a complete package of services to bring clients’ ideas into profitable commodities. The company serves clients in medical consumer goods, defense, and industrial markets. Its portfolio includes the American Standard ActiClean System.
Founded in 1991, Device Engineering & Product Design provides a full-range of product development services even to continuous product improvement after the manufacturing stage. It works with a vast network of prototype fabricators in the U.S. and manufacturing partners in China.
DeviceLab is a full-service product development firm with expertise on electronics engineering, medical device prototyping, pilot manufacturing, and consumer electronics. Their portfolio includes the LenSx Laser Eye Surgery System and Phillips Zoom UV Lamp.
One of the best product development companies in Michigan, DISHER offers a massive range of services, from market research and prototyping to everything in between for both consumer products and commercial applications. Hardware, software, firmware, and IoT development services are also provided.
Driven Innovation is a product development specialist that focuses on helping startups materialize their ideas and launch successful commercialization. The firm works with a network of prototype builders and provides manufacturing support. Recent projects include the WOWsolar controller and BackShield/BackSport.
The firm provides full-range product development services from concept to production, including market research. They work in various industries such as consumer electronics, software or application, medical devices, home automation, toys, and more.
Elting Mechanical Enterprises has been around for more than 20 years providing a tailored approach to product development services. Their area of expertise ranges from 2D drafting and 3D solid modeling to product simulation and high precision mechanisms. They serve clients in the industrial, aerospace, and defense markets.
The Product Development Department of Emelody Worldwide Inc. provides a wide range of services including CAD, prototyping, mathematical modeling, manufacturing consultation, PCB design, and benchtop testing. They have partnered with Eigen Aerospace, Mechanical Design Studio, Grizzly Cast Iron, and more.
38. Engenious Design
In addition to providing services in electronic medical device design development, Engenious Design is equally competent in consumer goods and high-tech products. For example, they create life support ventilators, wireless HD video streaming, and a video quad-copter. They have an in-house prototyping fabrication workshop.
Evocativo offers product development services ranging from ideation to creating a fully-documented engineering specification ready for further manufacturing. It works on various industries including automotive, retail, commercial, and aerospace. Their portfolio includes Food Cubby, the ORBglider® Fitness Machine, and the ReadyGolf Cart.
Working on the principle of the Lean Product Development Cycle (Design – Build – Test), Facture also offers turnkey development starting with product feasibility evaluation to third-party regulatory certification. The firm was founded in 2017 and has partnered with Powerit, Rhino Camera Gear, and Obliq.
The main services provided by FATHOM include advanced prototype fabrications, parts production, and engineering support. The firm also provides custom services for clients in need of additional expertise to strengthen its in-house team. Some of the firm’s high profile clients are Intel, Mercedes-Benz, and Medtronic.
A flexible DFM and engineering firm, Fikst is willing to work either as a full-service engineering department for clients or on a short-term basis. Services cover various industries including consumer products and biomedical. They have partnered with The Jackson Laboratory, Yankee Candle, and Lucky Litter, among others.
Function Engineering is a product design development firm. The company started in 1987 and has now contributed to thousands of clients’ projects in various categories such as robotics, household products, and industrial equipment. One of its most recent works is the Savioke’s robotic base & cargo bin.
A product development firm, Geometrix Design is filled with a team of highly specialized engineers who help clients through every stage of the development process. The firm provides a complete range of services beginning with initial concept generation to the final functional usable design.
45. Glad Designs LLC
A relatively new mechanical engineering firm founded in 2016 based in Colorado. Glad Designs focuses on industrial equipment design with a range of tailored services for entrepreneurs and small businesses. It has partnered with QuadShoX, HAL Extraction Technology, and Summit Extraction System.
Focusing on turnkey product development services for small and medium-sized businesses, Hebert Engineering & Design has a respectable track record filled with function-centric consumer products such as Yard-X Garden Tool, Tuna-Mate, and Frogs Feet Suction Cups. They also have a fully-equipped prototyping shop.
The product development services from Higher Concept Engineering covers all stages from idea generation to functional prototyping. They also do Finite Element Analysis, Failure Effects Mode Analysis, and Geometric Dimensioning & Tolerancing. They’re an excellent source for prototyping.
48. Hive Design
Despite their relatively small team, Hive Design is capable of handling turnkey product development services for various industries including the consumer product and aerospace industries. They do idea research, 3D modeling, simulation, prototyping, campaign management, and manufacturing support.
49. IDE Incorporated
Arguably the most experienced independent product design and development firm in Silicon Valley, IDE focuses on enclosure design, ruggedized products, ergonomics, and handheld/wearables. Partners include Xerox, Texas Instruments, Polaroid, Philips, Palm, Cisco, Compaq, Epson, and Samsung.
50. Igor Institute
Mainly providing product development consulting services, specifically consumer electronics, Igor Institute is also willing to take a tailored-approach for clients of any industry. It works from the concept stage through to the production process. Some of its best works are Valve Knuckles EV3 Controller and Upthere Skyline.
The primary product categories in Innovative Design Products’ portfolio are medical, electronics, consumer, auto, security, and eco-green. Its product development services have been used by the Bill and Melinda Gates Foundation, Rubbermaid, and Black and Decker, among others.
52. Kickr Design
Kickr Design is a full-service product design and development service that also handles manufacturing. The firm has an in-house prototyping shop capable of 3D printing, parts machining, metalworking, etc. Design experiences include VRgluv, Precision Siding Tool, and TaskLab’s TaskOne.
It is another small firm with work experience spanning over 20 years. Based in Connecticut, the engineering consultant provides consumer product development services including concept generation, 3D solid modeling services, considerations for DFA and DFM, and manufacturing sourcing.
Not particularly a turnkey product development firm, Levine Innovations works the development process from early sketches to prototyping. It provides manufacturing support by providing the instruction, bill of materials, and part specifications. Other services include computer algorithm development and IT.
55. Likuma Labs
It is a modern engineering firm run by a small team from NextFab in Washington Avenue, Philadelphia. Likuma Labs is the hardware start-up or product design team behind Biomeme’s smartphone diagnostic lab, Noria Smart Window Air Conditioner, and Nucleus Home Intercom.
56. MicroCube LLC
A small self-sufficient medical device innovator, MicroCube is providing concept development, rapid prototyping, clinical trials, market research, and regulatory submissions. All work is done in one space by an interdisciplinary team of freelance professionals.
The core capabilities of MicroType Engineering include electronic product development and circuit board design. Ideas are turned into functional prototypes with a DFM approach. The firm also offers free design consultation for clients through the product development process.
The company is primarily a product design and engineering consultancy firm. They work by providing not only technical capabilities but also sourcing and managing partners. Mindtribe Product Engineering focuses on creating modern connected devices. Notable work includes Adobe Ink & Slide and Scoot e-bike.
Some products are physical, others are digital. Mobisoft Infotech is a familiar name in the latter category. From web apps to IoT, the company has all kinds of product development services to bring ideas into reality. Project experiences include works with Samsung, Deloitte, Volkswagen, and Kohler.
60. Montie Design
Montie Design has its own assembly and prototyping facility in Hot Springs, North Carolina. It has worked with Aberdeen Proving Grounds to design an environmental test chamber and with consumer product companies such as Invisi-ball and Fog Thief.
MYDESIGN works on 2D and 3D modeling plus prototype fabrication. Product development services are available for companies of all sizes and individual inventors as well. They also offer reverse engineering, concept design, as well as prototyping help.
Rather than a stand-alone engineering firm, NextFab is a vast network of product development service companies that provides easy access to technologies and tools for its members and innovators alike. It is a fabrication workshop that specializes in helping clients build a small volume of unique products.
63. NK Labs, LLC
As a product development engineering firm, NK Labs has designed popular products for both the consumer market category and industrial applications. Production is done through vendors and contract manufacturers. Design experiences include Motorola Moto Mods and Airbus Transpose Modular Cabin.
64. NOVO Engineering
NOVO is comprised of a wide variety of expertise including mechanical engineering, modeling & simulation, electronic design, user experience design, and intellectual property. Services start from inception to pilot manufacturing. Clients include HP, Qualcomm, Thermo Fisher Scientific, Medtronic, etc.
An internationally recognized product development firm, NPI has helped commercialize various products worth $1.3 billion in just the last 10 years. Its services are available for any product category, but the firm’s real expertise is on biotechnology products. Clients include Safety-Kleen, Stanley, and Motorola.
A design consultancy firm, Nytec was the recipient of the 2016 and 2018 Red Dot awards. The firm offers strategic advisory services, resource logistics, and engineering solutions from its own labs and studios. Their portfolio includes Axiom Watch, Dynaudio Intersection RED, and Carnival Intelligent Access Panel.
67. ONE Labs, Inc.
The firm provides assistance with the product development process, from early specification to prototyping and testing. Products and systems listed in ONE Labs’ range of services include consumer goods, robotics, transportation, medical, and aerospace.
The way Ottermatics works can be summarized in a simple sequence: drawing a sketch, creating the prototype, finding the right manufacturer, launching a fundraising campaign, and marketing. It has contributed to the design of Lightning Rabbit, Equator Aircraft, Natilus Cargo Drone.
As a turnkey product development firm, Paragon Innovations listen to clients’ ideas and help them turn those ideas into profitable products. The firm starts working from the idea leading to the final step of production and market launch. Clients include Siemens, Motorola, Panasonic, Alcatel, AMD, 3M, and more.
Piton Engineering works as an off-site mechanical engineering department for communication, military, avionics, medical, and consumer products. They also offer product development and management, rapid prototyping, and DFM&A services for inventors.
Having been in the industry for about 10 years, Primordial Soup has partnered with small and big companies to develop various consumer products and medical devices. It provides designing and validation as well as production support services. Clients include Honeywell and Medtronic.
Now known as Product QuickStart, the company remains focused on providing product development and manufacturing services for inventors, entrepreneurs, and early-stage companies. However, it has partnered and innovated with large companies too such as Hamilton Beach, Panasonic, Yamaha, Cisco, and more.
Nearly all Produktworks Design’s engineering services are related to technology product development. Most recent projects include FlowBelow AeroKit, Atlas micro-XRF spectrometer, Motion Computing R12 Tablet, and the Alienware Area-51 Desktop.
They are a team of mechanical engineers providing services for businesses (especially larger ones) to help increase their engineering capabilities/throughput. For individuals and smaller-sized companies, Proof Engineering offers its engineering expertise. It has worked on medical, military/defense, and consumer markets.
An engineering firm that focuses solely on the manufacturing process either for prototyping or low-volume production. PROTOLABS is active in 60 countries with 12 fabrication workshops worldwide. The company serves medical, aerospace & defense, automotive, and consumer electronics industries.
76. Pump Studios
Pump Studios is a product engineering firm that prefers to work with growing companies. Not only do they provide services for product design and manufacturing, but they also offer assistance during market introduction. Previous projects include Dell Latitude E6000 and APEX Cooler System.
The main service and expertise of Quigley Scientific Corporation is engineering analysis; the results are useful for clients to develop or improve the product’s capabilities. The firm has done complex engineering and performance analysis for various automotive components, medical machines, and military systems.
78. Radicand, Inc.
Radicand is a rather young product development firm. Starting in 2013, it has specialized in providing mechanical design and engineering services for small design teams and startups alike. The company also offers one-on-one educational workshops and coaching for clients.
79. Rimnetics Inc.
It is one of the busiest RIM companies in North America. Rimnetics offers RIM services for encapsulation, structural enclosures, and parts as well as cosmetic housing. The company has been around for 30 years doing what it does best in a wide range of industries including medical device and defense applications.
A product design and development firm, Sakonet DesignWorks provides a range of services ranging from product conceptualization to the pilot manufacturing process. It serves multiple market categories including medical, consumer goods, and lighting. High-profile clients include Hasbro, HP, and Ralph Lauren.
A versatile product development firm that works either from the very beginning of the product design process or by picking up where you left off somewhere in the process. Salt City Technical shines in the design analysis department to figure out any possible room for improvement in the product design.
82. Scojet, Inc
Scojet’s primary areas of expertise are casting, cable, plastic injection molding, tires, headlight, molding tools. Scojet works on an average of 60 projects a year in various industries including outdoor equipment, consumer products, medical industries, automotive, and aerospace.
Established in 2005, Seipo Corporation is a Texas-based contract manufacturer with a warehouse in Boston and facilities in China. In addition to metal fabrication, the firm’s customized manufacturing services also cover die casting and injection molding. Known clients include Microsoft, Google, and HP.
84. SGW Designworks
As a product development company, SGW Designworks provides a complete range of engineering and management services from concept stage to final DFM phase. Clients include Emerson Electronics, Weyerhaeuser, Loon Outdoors, and Bayer to name a few.
This mechanical design firm focuses on new product development. It covers all sorts of services in the business from complex modeling to CNC fabrication. Supported by associative design tool department, Sherpa Design also offers rapid prototyping and industrial design services.
Starting as a product development firm that helps other companies bring ideas to materialization, SOIL Design Group has expanded its business by creating its own consumer electronics brands. Its main focus is developing products that implement the latest technologies and are easy to use at the same time.
Core competencies of Solid Design Solutions include project management, manufacturing engineering, and software development. The firm works of consumer products, medical devices, manufacturing devices, and connected hardware. Clients include Honeywell, Bose, and Medtronic.
A mechanical engineering studio located in the heart of Silicon Valley. Spanner Product Development has worked on various innovative consumer products such as Brava Oven, Pi Wireless Charging, Arable Mark, Otto Smart Lock, and Target Fetch. They are a product engineering studio.
The core expertise of SPARK Product Development is the creation of tool-ready designs. The firm also handles conceptualization, 3D rendering, prototyping, and branding. It is supported by a vast network of vendors for rapid prototyping and metal fabrication.
Stanfy was purchased by Intellectsoft on May 2017. Developed in 2005 as an engineering firm with a focus on app design and development, it is now part of a larger company that handles both hardware and software development for connected devices including industrial IoT.
It is a small firm yet flexible and knowledgeable enough to work on various industries from small home appliances to aerospace projects. Swope Design Solutions starts a project from research and development all the way forward to manufacturing or part production.
The product research and development services cover broad industries such as consumer goods and electronics, sports equipment, and medical devices. Services start at idea generation to rapid prototyping. Its portfolio is filled with innovative work including Palm Lifedrive and Fitbit Force Activity Monitor.
Powered by a team of interdisciplinary designers, engineers, strategists, and inventors, Synapse Product Development offers product development services in a broad range of industries from consumer goods to life-sciences. Some of the firm’s best works are NASA VR Tracked Astronaut Tools and Nixon Mission
94. Syncroness Inc.
Their expertise is on heavy-duty industrial product applications such as aeronautics, space, defense, military, industrial automation, drones, and energy. Syncroness Inc. is an interdisciplinary engineering firm with more than 150 engineers to offer a tailored approach to every project.
A product development and contract manufacturing firm, Tact’s portfolio is filled with a variety high-tech creative works for examples Google Chromecast, Pebble Time Steel Smartwatch, and HP ENVY Curved All-in-One. Services range from 3D surfacing to high profile turnkey product development process.
The Design Factory’s fields of expertise include electronics packaging, optics and lasers, medical devices, and fixture design. The firm works from the product concept stage to the analysis of manufacturability and engineering specifications. Consumers range from startups, small businesses, and large corporations.
The range of services provided by Tiger Industrial is a little bit more specific than many other design firms. They specialize in designing product parts such as plastic components and sheet metal to improve manufacturability. The firm also designs molded or CNC machined parts, die-cast, and electronic enclosures.
98. Tri-Power Design
Tri-Power Design builds custom automated industrial machinery, such as factory robots, commonly used in mass production assembly lines. The firm serves various industries such as medical, plastic marketplace, automotive, and consumer goods among others. Clients include Ford and Unilever.
An engineering service provider and contract design company, VisionWorks offers its assistance for clients to materialize ideas and bring products to market. It serves various industries including automotive, consumer products, energy, medical, military, and industrial.
Starting off the business as a small rapid prototyping firm, VistaTek has now grown into a sizable custom manufacturing company with in-house production capabilities. Their services include injection molding, mold-making, and secondary operations. However, their specialty is high volume production for plastic molding.
101. WB Engineering
The Miami-based engineering firm handles every product development project in its entirety including design, engineering services, simulation, prototyping, and parts manufacturing. WB Engineering works with reputable clients such as Boston Scientific, University of Miami, and Kraus Industries.
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