Company lists · Data refreshed November 2026

Top 25 Prototyping and design services based in the United States

Name: Prototyping and design services based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 2,353 companies tracked

RevenueBase identified 2,353 company matches for prototyping and design services associated with the United States as of November 2026 and tracks 15,471 professional contacts across them, including 5,110 with verified work emails. San Francisco is the largest hub.

This list covers company matches for prototyping and design services 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built

2,353Companies

15,471Contacts tracked

5,110Verified emails

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The 25 largest prototyping and design services based in the United States

Ranked by team size

Top 25 of 2,353 company matches for prototyping and design services based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Raja Software Labs	Exact match	Saratoga, CA, United StatesHQ recorded Nov 6, 2026	201-500	528 contacts →
	Exact match “Raja Software Labs (RSL) is a product engineering company helping clients ship high volume, high impact products used by millions of users.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	Kaleidoscope Innovation	Exact match	Cincinnati, TX, United StatesHQ recorded Nov 6, 2026	201-500	362 contacts →
	Exact match “When clients come to us for product design and development, they get a full range of technical expertise and laboratory resources, but they also get a team that’s relentless when…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	Martech Medical Products, INC	Exact match	Harleysville, PA, United StatesHQ recorded Nov 6, 2026	201-500	338 contacts →
	Exact match “MARTECH® MEDICAL PRODUCTS, INC.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	Ascentec Engineering, LLC	Exact match	Tualatin, OR, United StatesHQ recorded Nov 6, 2026	201-500	316 contacts →
	Exact match “Ascentec Engineering was founded in 2001 by a team of process and manufacturing engineers all with a solid background in electronics manufacturing processes.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	Cambridge Design Partnership	Exact match	Cambridge, NC, United StatesHQ recorded Nov 6, 2026	51-200	231 contacts →
	Exact match “Cambridge Design Partnership is an end-to-end innovation partner, propelling global brands and ambitious start-ups to success.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	Davison Inventions	Exact match	Pittsburgh, PA, United StatesHQ recorded Nov 6, 2026	201-500	231 contacts →
	Exact match “This year, Davison Inventions is celebrating 30 years in business!” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	Andrews Cooper	Exact match	Mcminnville, OR, United StatesHQ recorded Nov 6, 2026	51-200	209 contacts →
	Exact match “Partner with AC to Supercharge Your Technology Development Andrews Cooper is an engineering services firm in the Pacific Northwest specializing in highly complex technology…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	Quickparts	Exact match	Seattle, WA, United StatesHQ recorded Nov 6, 2026	201-500	187 contacts →
	Exact match “Custom Prototypes, 3D Printing, and On-Demand Parts Manufacturing.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	Mecha INC	Exact match	Raleigh, NC, United StatesHQ recorded Nov 6, 2026	n/a	157 contacts →
	Exact match “Mecha specializes in the design, analysis, and manufacturing of metal products for the embedded computer industry.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	Innovize	Exact match	St. Paul, MN, United StatesHQ recorded Nov 6, 2026	201-500	152 contacts →
	Exact match “Innovize offers custom development and manufacturing solutions – including converting and contract manufacturing – for product designers, developers, engineers and supply chain…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	Lake AIR Products	Exact match	Minneapolis, MN, United StatesHQ recorded Nov 6, 2026	51-200	148 contacts →
	Exact match “Your Advanced Manufacturing Partner.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	3-Dimensional Services Group	Exact match	Rochester Hills, MI, United StatesHQ recorded Nov 6, 2026	501-1,000	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
13	Engineered Medical Systems, LLC	Exact match	Bartlett, TN, United StatesHQ recorded Nov 6, 2026	201-500	107 contacts →
	Exact match “Engineered Medical Systems, LLC is a medical device manufacturing company based out of 3325 Appling Road, Bartlett, Tennessee, United States.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	Technique INC	Exact match	Jackson, MI, United StatesHQ recorded Nov 6, 2026	201-500	97 contacts →
	Exact match “High-Speed Prototypes and low volume production - Stampings, Tubing and Welding Technique, Inc.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	Sonic Manufacturing Technologies	Exact match	Fremont, CA, United StatesHQ recorded Nov 6, 2026	201-500	97 contacts →
	Exact match “Sonic Manufacturing Technologies is Dedicated to the Success of your Business.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Kaleidoscope	Exact match	Chicago, NY, United StatesHQ recorded Nov 6, 2026	51-200	90 contacts →
	Exact match “Strategy.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	VPI Technology, A Division Of Ludlum Measurements, INC	Exact match	Draper, UT, United StatesHQ recorded Nov 6, 2026	501-1,000	90 contacts →
	Exact match “VPI Technology VPI is a high-tech company that provides premium professional services in the design, engineering, testing, and manufacturing of new technology.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	RE Build Tekna	Exact match	Kalamazoo, MI, United StatesHQ recorded Nov 6, 2026	51-200	79 contacts →
	Exact match “Re:Build Tekna is a product design and development consultancy and contract manufacturer with the ability to turn innovative ideas into realized opportunities.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	RE Build Fikst	Exact match	Wilmington, MA, United StatesHQ recorded Nov 6, 2026	11-50	77 contacts →
	Exact match “Fikst provides product design and engineering services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	Priority Designs	Exact match	Columbus, OH, United StatesHQ recorded Nov 6, 2026	51-200	76 contacts →
	Exact match “Think bigger.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	Simplexity Product Development, INC	Exact match	San Diego, WA, United StatesHQ recorded Nov 6, 2026	51-200	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
22	Cathx Medical. A Zeus Company	Exact match	San Jose, MN, United StatesHQ recorded Nov 6, 2026	11-50	76 contacts →
	Exact match “CathX Medical (A Zeus Company) offers medical device companies and OEMs a single source for design engineering services, rapid prototyping, manufacturing, and full or…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	KEY Tech INC	Exact match	Baltimore, MD, United StatesHQ recorded Nov 6, 2026	51-200	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
24	Intelligent Product Solutions	Exact match	Hauppauge, NY, United StatesHQ recorded Nov 6, 2026	51-200	74 contacts →
	Exact match “Intelligent Product Solutions, Inc.(IPS) is an award-winning global product design and development company headquartered in New York.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	Nottingham Spirk	Exact match	Cleveland, OH, United StatesHQ recorded Nov 6, 2026	51-200	68 contacts →
	Exact match “Nottingham Spirk is a business innovation and product design firm with an unrivaled record of delivering disruptive consumer goods, medical devices, and packaging design solutions…” 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 “prototyping and design services”. 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 2,353 prototyping and design services based in the United States

See the full list, filter by size, metro and specialty, and access 5,110 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Prototyping and design services based in the United States at a glance

As of Nov 6, 2026

33.0%Verified-email coverage

6.6Average contacts per company

1-10Median size (employees)

2.2%Largest-city concentration · San Francisco

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

1,708

11-50

477

51-200

127

201-500

501-1,000

1,001-5,000

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 2,353 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 “prototyping and design services” 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 5,110 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.

Prototyping and design services by metro

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 “prototyping and design services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many prototyping and design services are there based in the United States?

RevenueBase identified 2,353 company matches for prototyping and design services 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?

Raja Software Labs tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most prototyping and design services?

San Francisco leads with 51 company records, followed by Los Angeles (44) and New York (43).

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 5,110 professional contacts with verified work emails tracked across these 2,353 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.

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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.