Company lists · Data refreshed November 2026
Top 25 Prototype development firms based in the United States
RevenueBase identified 567 company matches for prototype development firms associated with the United States as of November 2026 and tracks 2,813 professional contacts across them, including 1,043 with verified work emails. San Francisco is the largest hub.
This list covers company matches for prototype development firms associated with the United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest prototype development firms based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 136 contacts → | ||||
Exact match “Michigan-based Prefix Corporation is a recognized leader in the creation of prototype designs, mock-ups, and full scale concept vehicles for the automotive and aviation industries.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 114 contacts → | ||||
Exact match “3-Dimensional Services Group is a Michigan-based prototype and low-volume manufacturer of metal and plastic parts and assemblies, handling tool design through final assembly…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 76 contacts → | ||||
Exact match “Think bigger.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 76 contacts → | ||||
Exact match “Simplexity is a leading product development engineering firm specializing in custom design, next-generation products, robotics, workflow automation, and production test tools.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 74 contacts → | ||||
Exact match “Founded in 1998, Key Tech is a high-tech product design and prototyping company located in Baltimore, Maryland.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 45 contacts → | ||||
Exact match “Designcraft offers specialty services for professional companies engaged in Prototyping, New Product Development and Rapid Manufacturing.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 39 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 37 contacts → | ||||
Exact match “3D Color partners with designers, marketers and brand builders to bring packaged goods to life, offering advanced 2D/3D prototyping, exceptional comp production, custom color…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 37 contacts → | ||||
Exact match “Flow is the agentic systems engineering platform for the companies building the physical world.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 37 contacts → | ||||
Exact match “Slingshot Product Development Group is an innovation, implementation, and manufacturing company that specializes in providing integrated product development and launch services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 33 contacts → | ||||
Exact match “BriteLab offers full-spectrum product development, locally in Silicon Valley.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 30 contacts → | ||||
Exact match “Experimental sheet metal stamping and assembly specialist.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 29 contacts → | ||||
Exact match “We help companies quickly convert their existing or emergent technologies into innovative, manufacturable, and market-ready products.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 28 contacts → | ||||
Exact match “Protovate pioneers new software, new systems, and new ways of working to bring your concept to life.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 28 contacts → | ||||
Exact match “WEPCO’s goal is to be New England’s premier prototype injection molder.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 26 contacts → | ||||
Exact match “bb7 is a comprehensive design and product development firm with a rich history in innovation and testing.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 26 contacts → | ||||
Exact match “Here at IDS, we help guide our partners from ideation all the way to product shipment.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 25 contacts → | ||||
Exact match “Product Development for Startups and Small Business Finish Line PDS compliments your existing product development team with experts, processes and reference designs exclusively…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 24 contacts → | ||||
Exact match “Napkin Sketch to Production!” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 24 contacts → | ||||
Exact match “We are nimble team of engineers with over 30 years of engineering experience and a track record of delivering high-quality engineering solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 24 contacts → | ||||
Exact match “AI gets you to a prototype.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 24 contacts → | ||||
Exact match “R&R Associates provides services that span the entire product development process, including product definition, market analysis, design, engineering, in-house rapid prototyping…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 23 contacts → | ||||
Exact match “Klugonyx offers end-to-end product development services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 22 contacts → | ||||
Exact match “Glassboard is a full-service product development firm.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 21 contacts → | ||||
Exact match “Advanced Prototype Engineering is a San Francisco-based design and engineering firm specializing in the development of mechanical and mechatronic prototypes, machine shop setup…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “prototype development firms”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 567 prototype development firms based in the United States
See the full list, filter by size, metro and specialty, and access 1,043 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Prototype development firms based in the United States at a glance
As of Nov 6, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 567 companies.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- What qualifies
- Company records associated with the United States whose business descriptions match “prototype development firms” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 1,043 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on November 6, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “prototype development firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many prototype development firms are there based in the United States?
RevenueBase identified 567 company matches for prototype development firms associated with the United States as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Prefix Corporation tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most prototype development firms?
San Francisco leads with 23 company records, followed by Austin (17) and New York (15).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 1,043 professional contacts with verified work emails tracked across these 567 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 2026.
Ready to reach these companies? Verified emails and direct dials for all 567 prototype development firms based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Prototype development firms by geography
- Prototype development firms based in London, United Kingdom
- Prototype development firms based in Australia
- Prototype development firms based in Canada
- Prototype development firms based in France
- Prototype development firms based in Germany
- Prototype development firms based in India
- Prototype development firms based in Italy
- Prototype development firms based in the Netherlands
- Prototype development firms based in Poland
- Prototype development firms based in Sweden
- Prototype development firms based in Switzerland
- Prototype development firms based in the United Kingdom
About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Prototype development firms based in London, United Kingdom
- Prototype development firms based in Australia
- Prototype development firms based in Canada
- Prototype development firms based in France
- Prototype development firms based in Germany
- Prototype development firms based in India
Company intelligence · public preview
Top 25 prototype development firms based in the United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 567 matching company records for prototype development firms based in the United States, with 2,813 tracked contacts and 1,043 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 prototype development firms based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Prefix Corporationprefix.comHQ: Rochester Hills, MI, United StatesReported employees: 201-500 | Rochester Hills, MI, United States | 201-500 | Exact match | 136 contacts → |
“Michigan-based Prefix Corporation is a recognized leader in the creation of prototype designs, mock-ups, and full scale concept vehicles for the automotive and aviation industries.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  3-Dimensional Services Group3dimensional.comHQ: Rochester Hills, MI, United StatesReported employees: 501-1,000 | Rochester Hills, MI, United States | 501-1,000 | Exact match | 114 contacts → |
“3-Dimensional Services Group is a Michigan-based prototype and low-volume manufacturer of metal and plastic parts and assemblies, handling tool design through final assembly…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Priority Designsprioritydesigns.comHQ: Columbus, OH, United StatesReported employees: 51-200 | Columbus, OH, United States | 51-200 | Exact match | 76 contacts → |
“Think bigger.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Simplexity Product Development, INCsimplexitypd.comHQ: San Diego, WA, United StatesReported employees: 51-200 | San Diego, WA, United States | 51-200 | Exact match | 76 contacts → |
“Simplexity is a leading product development engineering firm specializing in custom design, next-generation products, robotics, workflow automation, and production test tools.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  KEY Tech INCkeytechinc.comHQ: Baltimore, MD, United StatesReported employees: 51-200 | Baltimore, MD, United States | 51-200 | Exact match | 74 contacts → |
“Founded in 1998, Key Tech is a high-tech product design and prototyping company located in Baltimore, Maryland.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Designcraft, INCdesigncraft.comHQ: Lake Zurich, IL, United StatesReported employees: 11-50 | Lake Zurich, IL, United States | 11-50 | Exact match | 45 contacts → |
“Designcraft offers specialty services for professional companies engaged in Prototyping, New Product Development and Rapid Manufacturing.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Laszeray Technology, LLClaszeray.comHQ: North Royalton, OH, United StatesReported employees: 51-200 | North Royalton, OH, United States | 51-200 | Exact match | 39 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 8 |  3d Color3dcolor.comHQ: Cincinnati, OH, United StatesReported employees: 11-50 | Cincinnati, OH, United States | 11-50 | Exact match | 37 contacts → |
“3D Color partners with designers, marketers and brand builders to bring packaged goods to life, offering advanced 2D/3D prototyping, exceptional comp production, custom color…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Flow Engineeringflowengineering.comHQ: San Francisco, United StatesReported employees: 11-50 | San Francisco, United States | 11-50 | Exact match | 37 contacts → |
“Flow is the agentic systems engineering platform for the companies building the physical world.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Slingshot Product Development Groupslingshotpdg.comHQ: Duluth, GA, United StatesReported employees: 11-50 | Duluth, GA, United States | 11-50 | Exact match | 37 contacts → |
“Slingshot Product Development Group is an innovation, implementation, and manufacturing company that specializes in providing integrated product development and launch services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Britelabbritelab.comHQ: San Jose, CA, United StatesReported employees: 51-200 | San Jose, CA, United States | 51-200 | Exact match | 33 contacts → |
“BriteLab offers full-spectrum product development, locally in Silicon Valley.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Auto Metal Craft, INCautometal.comHQ: Oak Park, MI, United StatesReported employees: 11-50 | Oak Park, MI, United States | 11-50 | Exact match | 30 contacts → |
“Experimental sheet metal stamping and assembly specialist.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Laut Designlautdesign.comHQ: Raleigh, NC, United StatesReported employees: 11-50 | Raleigh, NC, United States | 11-50 | Exact match | 29 contacts → |
“We help companies quickly convert their existing or emergent technologies into innovative, manufacturable, and market-ready products.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Protovateprotovate.aiHQ: N. Carolina, United StatesReported employees: 51-200 | N. Carolina, United States | 51-200 | Exact match | 28 contacts → |
“Protovate pioneers new software, new systems, and new ways of working to bring your concept to life.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Wepco Plastics, INCwepcoplastics.comHQ: Middlefield, CT, United StatesReported employees: 11-50 | Middlefield, CT, United States | 11-50 | Exact match | 28 contacts → |
“WEPCO’s goal is to be New England’s premier prototype injection molder.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Bb7 Product Developmentbb7.com HQ: Madison, WI, United StatesReported employees: 51-200 | Madison, WI, United States | 51-200 | Exact match | 26 contacts → |
“bb7 is a comprehensive design and product development firm with a rich history in innovation and testing.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Intentionally Designed Solutionsids.companyHQ: United StatesReported employees: 11-50 | United States | 11-50 | Exact match | 26 contacts → |
“Here at IDS, we help guide our partners from ideation all the way to product shipment.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Finish Line Product Development Servicesfinishlinepds.comHQ: Hudson, NH, United StatesReported employees: 11-50 | Hudson, NH, United States | 11-50 | Exact match | 25 contacts → |
“Product Development for Startups and Small Business Finish Line PDS compliments your existing product development team with experts, processes and reference designs exclusively…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  DE Design Worksdedesignworks.comHQ: St. Louis, MO, United StatesReported employees: 11-50 | St. Louis, MO, United States | 11-50 | Exact match | 24 contacts → |
“Napkin Sketch to Production!” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Swope Design Solutionsswopedesignsolutions.comHQ: San Francisco, CA, United StatesReported employees: 11-50 | San Francisco, CA, United States | 11-50 | Exact match | 24 contacts → |
“We are nimble team of engineers with over 30 years of engineering experience and a track record of delivering high-quality engineering solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Productera LLCproductera.ioHQ: Sheridan, WY, United StatesReported employees: 11-50 | Sheridan, WY, United States | 11-50 | Exact match | 24 contacts → |
“AI gets you to a prototype.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  R&r Associatesrnrassociates.comHQ: Sarasota, FL, United StatesReported employees: 1-10 | Sarasota, FL, United States | 1-10 | Exact match | 24 contacts → |
“R&R Associates provides services that span the entire product development process, including product definition, market analysis, design, engineering, in-house rapid prototyping…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Klugonyxklugonyx.comHQ: West Valley City, UT, United StatesReported employees: 11-50 | West Valley City, UT, United States | 11-50 | Exact match | 23 contacts → |
“Klugonyx offers end-to-end product development services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Glassboardglassboard.comHQ: Indianapolis, IN, United StatesReported employees: 11-50 | Indianapolis, IN, United States | 11-50 | Exact match | 22 contacts → |
“Glassboard is a full-service product development firm.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  APROEaproe.comHQ: San Francisco, CA, United StatesReported employees: 11-50 | San Francisco, CA, United States | 11-50 | Exact match | 21 contacts → |
“Advanced Prototype Engineering is a San Francisco-based design and engineering firm specializing in the development of mechanical and mechatronic prototypes, machine shop setup…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 567 company matches
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Prototype development firms: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
565 records in the displayed employee bands.
2 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 567 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for prototype development firms?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many prototype development firms did RevenueBase find based in the United States?
The saved snapshot records 567 matching company records, 2,813 tracked contacts and 1,043 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Prototype development firms by geography
- Prototype development firms based in London, United Kingdom
- Prototype development firms based in Australia
- Prototype development firms based in Canada
- Prototype development firms based in France
- Prototype development firms based in Germany
- Prototype development firms based in India
- Prototype development firms based in Italy
- Prototype development firms based in the Netherlands
- Prototype development firms based in Poland
- Prototype development firms based in Sweden
- Prototype development firms based in Switzerland
- Prototype development firms based in the United Kingdom
Cite this list
RevenueBase Data Team. Top 25 prototype development firms based in the United States. Snapshot: November 6, 2026. https://revenuebase.ai/companies/prototype-development-firms/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Prototype development firms based in London, United Kingdom
- Prototype development firms based in Australia
- Prototype development firms based in Canada
- Prototype development firms based in France
- Prototype development firms based in Germany
- Prototype development firms based in India
Company intelligence · public preview
Top 25 prototype development firms based in the United States
RevenueBase records 567 matching company records for prototype development firms based in the United States, with 2,813 tracked contacts and 1,043 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 prototype development firms based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Prefix Corporationprefix.com HQ: Rochester Hills, MI, United StatesReported employees: 201-500 | Rochester Hills, MI, United States | 201-500 | Exact match | 136 contacts → |
“Michigan-based Prefix Corporation is a recognized leader in the creation of prototype designs, mock-ups, and full scale concept vehicles for the automotive and aviation industries.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | 3-Dimensional Services Group3dimensional.com HQ: Rochester Hills, MI, United StatesReported employees: 501-1,000 | Rochester Hills, MI, United States | 501-1,000 | Exact match | 114 contacts → |
“3-Dimensional Services Group is a Michigan-based prototype and low-volume manufacturer of metal and plastic parts and assemblies, handling tool design through final assembly…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Priority Designsprioritydesigns.com HQ: Columbus, OH, United StatesReported employees: 51-200 | Columbus, OH, United States | 51-200 | Exact match | 76 contacts → |
“Think bigger.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Simplexity Product Development, INCsimplexitypd.com HQ: San Diego, WA, United StatesReported employees: 51-200 | San Diego, WA, United States | 51-200 | Exact match | 76 contacts → |
“Simplexity is a leading product development engineering firm specializing in custom design, next-generation products, robotics, workflow automation, and production test tools.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | KEY Tech INCkeytechinc.com HQ: Baltimore, MD, United StatesReported employees: 51-200 | Baltimore, MD, United States | 51-200 | Exact match | 74 contacts → |
“Founded in 1998, Key Tech is a high-tech product design and prototyping company located in Baltimore, Maryland.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Designcraft, INCdesigncraft.com HQ: Lake Zurich, IL, United StatesReported employees: 11-50 | Lake Zurich, IL, United States | 11-50 | Exact match | 45 contacts → |
“Designcraft offers specialty services for professional companies engaged in Prototyping, New Product Development and Rapid Manufacturing.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Laszeray Technology, LLClaszeray.com HQ: North Royalton, OH, United StatesReported employees: 51-200 | North Royalton, OH, United States | 51-200 | Exact match | 39 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 8 | 3d Color3dcolor.com HQ: Cincinnati, OH, United StatesReported employees: 11-50 | Cincinnati, OH, United States | 11-50 | Exact match | 37 contacts → |
“3D Color partners with designers, marketers and brand builders to bring packaged goods to life, offering advanced 2D/3D prototyping, exceptional comp production, custom color…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Flow Engineeringflowengineering.com HQ: San Francisco, United StatesReported employees: 11-50 | San Francisco, United States | 11-50 | Exact match | 37 contacts → |
“Flow is the agentic systems engineering platform for the companies building the physical world.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Slingshot Product Development Groupslingshotpdg.com HQ: Duluth, GA, United StatesReported employees: 11-50 | Duluth, GA, United States | 11-50 | Exact match | 37 contacts → |
“Slingshot Product Development Group is an innovation, implementation, and manufacturing company that specializes in providing integrated product development and launch services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Britelabbritelab.com HQ: San Jose, CA, United StatesReported employees: 51-200 | San Jose, CA, United States | 51-200 | Exact match | 33 contacts → |
“BriteLab offers full-spectrum product development, locally in Silicon Valley.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Auto Metal Craft, INCautometal.com HQ: Oak Park, MI, United StatesReported employees: 11-50 | Oak Park, MI, United States | 11-50 | Exact match | 30 contacts → |
“Experimental sheet metal stamping and assembly specialist.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Laut Designlautdesign.com HQ: Raleigh, NC, United StatesReported employees: 11-50 | Raleigh, NC, United States | 11-50 | Exact match | 29 contacts → |
“We help companies quickly convert their existing or emergent technologies into innovative, manufacturable, and market-ready products.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Protovateprotovate.ai HQ: N. Carolina, United StatesReported employees: 51-200 | N. Carolina, United States | 51-200 | Exact match | 28 contacts → |
“Protovate pioneers new software, new systems, and new ways of working to bring your concept to life.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Wepco Plastics, INCwepcoplastics.com HQ: Middlefield, CT, United StatesReported employees: 11-50 | Middlefield, CT, United States | 11-50 | Exact match | 28 contacts → |
“WEPCO’s goal is to be New England’s premier prototype injection molder.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Bb7 Product Developmentbb7.com HQ: Madison, WI, United StatesReported employees: 51-200 | Madison, WI, United States | 51-200 | Exact match | 26 contacts → |
“bb7 is a comprehensive design and product development firm with a rich history in innovation and testing.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Intentionally Designed Solutionsids.company HQ: United StatesReported employees: 11-50 | United States | 11-50 | Exact match | 26 contacts → |
“Here at IDS, we help guide our partners from ideation all the way to product shipment.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Finish Line Product Development Servicesfinishlinepds.com HQ: Hudson, NH, United StatesReported employees: 11-50 | Hudson, NH, United States | 11-50 | Exact match | 25 contacts → |
“Product Development for Startups and Small Business Finish Line PDS compliments your existing product development team with experts, processes and reference designs exclusively…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | DE Design Worksdedesignworks.com HQ: St. Louis, MO, United StatesReported employees: 11-50 | St. Louis, MO, United States | 11-50 | Exact match | 24 contacts → |
“Napkin Sketch to Production!” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Swope Design Solutionsswopedesignsolutions.com HQ: San Francisco, CA, United StatesReported employees: 11-50 | San Francisco, CA, United States | 11-50 | Exact match | 24 contacts → |
“We are nimble team of engineers with over 30 years of engineering experience and a track record of delivering high-quality engineering solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Productera LLCproductera.io HQ: Sheridan, WY, United StatesReported employees: 11-50 | Sheridan, WY, United States | 11-50 | Exact match | 24 contacts → |
“AI gets you to a prototype.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | R&r Associatesrnrassociates.com HQ: Sarasota, FL, United StatesReported employees: 1-10 | Sarasota, FL, United States | 1-10 | Exact match | 24 contacts → |
“R&R Associates provides services that span the entire product development process, including product definition, market analysis, design, engineering, in-house rapid prototyping…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Klugonyxklugonyx.com HQ: West Valley City, UT, United StatesReported employees: 11-50 | West Valley City, UT, United States | 11-50 | Exact match | 23 contacts → |
“Klugonyx offers end-to-end product development services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Glassboardglassboard.com HQ: Indianapolis, IN, United StatesReported employees: 11-50 | Indianapolis, IN, United States | 11-50 | Exact match | 22 contacts → |
“Glassboard is a full-service product development firm.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | APROEaproe.com HQ: San Francisco, CA, United StatesReported employees: 11-50 | San Francisco, CA, United States | 11-50 | Exact match | 21 contacts → |
“Advanced Prototype Engineering is a San Francisco-based design and engineering firm specializing in the development of mechanical and mechatronic prototypes, machine shop setup…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 567 company matches
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Prototype development firms: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
565 records in the displayed employee bands.
2 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 567 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for prototype development firms?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many prototype development firms did RevenueBase find based in the United States?
The saved snapshot records 567 matching company records, 2,813 tracked contacts and 1,043 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Prototype development firms by geography
- Prototype development firms based in London, United Kingdom
- Prototype development firms based in Australia
- Prototype development firms based in Canada
- Prototype development firms based in France
- Prototype development firms based in Germany
- Prototype development firms based in India
- Prototype development firms based in Italy
- Prototype development firms based in the Netherlands
- Prototype development firms based in Poland
- Prototype development firms based in Sweden
- Prototype development firms based in Switzerland
- Prototype development firms based in the United Kingdom
Cite this list
RevenueBase Data Team. Top 25 prototype development firms based in the United States. Snapshot: November 6, 2026. https://revenuebase.ai/companies/prototype-development-firms/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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- Prototype development firms based in France
- Prototype development firms based in Germany
- Prototype development firms based in India