Company lists · Data refreshed October 2026

Top 25 Research & development engineering services based in the United States

Name: Research & development engineering services based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 31, 2026 1,769 companies tracked

RevenueBase identified 1,769 company matches for research & development engineering services associated with the United States as of October 2026 and tracks 34,157 professional contacts across them, including 8,818 with verified work emails. San Diego is the largest hub.

This list covers company matches for research & development engineering 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 October 31, 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 Oct 31, 2026 How this list was built

1,769Companies

34,157Contacts tracked

8,818Verified emails

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The 25 largest research & development engineering services based in the United States

Ranked by team size

Top 25 of 1,769 company matches for research & development engineering services based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 31, 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	Benchmark	Exact match	Tempe, AZ, United StatesHQ recorded Oct 31, 2026	10001+	5,587 contacts →
	Exact match “Benchmark is a worldwide provider of innovative product design, engineering services, technology solutions and advanced manufacturing services.” Recorded in the RevenueBase company graph · Oct 31, 2026 · View company records in RevenueBase
2	AEGIS	Exact match	Seattle, WA, United StatesHQ recorded Oct 31, 2026	n/a	2,454 contacts →
	Exact match “Aegis provides custom engineering and technology development services to a broad array of clients, including Fortune 100 companies, the U.S.” Recorded in the RevenueBase company graph · Oct 31, 2026 · View company records in RevenueBase
3	Bastion Technologies, INC	Exact match	Houston, TX, United StatesHQ recorded Oct 31, 2026	501-1,000	503 contacts →
	Exact match “Bastion Technologies is a multi-disciplined engineering and technical services company headquartered in Houston, Texas.” Recorded in the RevenueBase company graph · Oct 31, 2026 · View company records in RevenueBase
4	RFA Engineering	Exact match	Eden Prairie, MN, United StatesHQ recorded Oct 31, 2026	201-500	476 contacts →
	Exact match “RFA serves 100's of clients ranging in size from Fortune 500 to entrepreneurial start-ups.” Recorded in the RevenueBase company graph · Oct 31, 2026 · View company records in RevenueBase
5	Intuitive Research And Technology Corporation	Exact match	Huntsville, AL, United StatesHQ recorded Oct 31, 2026	501-1,000	425 contacts →
	Exact match “INTUITIVE® is a professional engineering and systems integration firm delivering rapid, missionfocused solutions for defense, government, and commercial customers.” Recorded in the RevenueBase company graph · Oct 31, 2026 · View company records in RevenueBase
6	Corvid Technologies	Exact match	Mooresville, NC, United StatesHQ recorded Oct 31, 2026	201-500	415 contacts →
	Exact match “Corvid Technologies - The Evolution of Innovation Starts Here.” Recorded in the RevenueBase company graph · Oct 31, 2026 · View company records in RevenueBase
7	CFD Research Corporation	Exact match	Huntsville, AL, United StatesHQ recorded Oct 31, 2026	201-500	374 contacts →
	Exact match “Founded in 1987, CFD Research develops innovative technologies that advance national security, aerospace, defense, life sciences, materials, and energy.” Recorded in the RevenueBase company graph · Oct 31, 2026 · View company records in RevenueBase
8	Seacorp	Exact match	Middletown, RI, United StatesHQ recorded Oct 31, 2026	501-1,000	373 contacts →
	Exact match “Over 40 years old and headquartered in Rhode Island near Newport's First Beach, SEACORP employs the highest quality people to provide vital information technology and engineering…” Recorded in the RevenueBase company graph · Oct 31, 2026 · View company records in RevenueBase
9	Auriga	Exact match	Woburn, MA, United StatesHQ recorded Oct 31, 2026	501-1,000	367 contacts →
	Exact match “Auriga is a software R&D and IT outsourcing services provider incorporated in the U.S.” Recorded in the RevenueBase company graph · Oct 31, 2026 · View company records in RevenueBase
10	Kaleidoscope Innovation	Exact match	Cincinnati, OH, United StatesHQ recorded Oct 31, 2026	201-500	347 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 · Oct 31, 2026 · View company records in RevenueBase
11	Triple Crown	Exact match	Austin, TX, United StatesHQ recorded Oct 31, 2026	51-200	344 contacts →
	Exact match “Triple Crown delivers engineering, verification and design services that move the world forward, one precisely managed and expertly executed project at a time.” Recorded in the RevenueBase company graph · Oct 31, 2026 · View company records in RevenueBase
12	Stinger Ghaffarian Technologies SGT	Exact match	Greenbelt, MD, United StatesHQ recorded Oct 31, 2026	1,001-5,000	330 contacts →
	Exact match “Stinger Ghaffarian Technologies, Inc.(SGT) is now KBR.” Recorded in the RevenueBase company graph · Oct 31, 2026 · View company records in RevenueBase
13	Battelle Energy Alliance LLC BEA ETC	Exact match	Arlington, VA, United StatesHQ recorded Oct 31, 2026	51-200	316 contacts →
	Exact match “BATTELLE ENERGY ALLIANCE LLC BEA ETC is a civic & social organization company based out of PO BOX 1625, Idaho Falls, Idaho, United States.” Recorded in the RevenueBase company graph · Oct 31, 2026 · View company records in RevenueBase
14	Columbia Tech	Exact match	Westborough, MA, United StatesHQ recorded Oct 31, 2026	501-1,000	306 contacts →
	Exact match “Columbia Tech provides engineering design, manufacturing, global fulfillment and aftermarket services to innovation leaders in the life-science, pharmaceutical, bio-discovery…” Recorded in the RevenueBase company graph · Oct 31, 2026 · View company records in RevenueBase
15	Physical Sciences INC	Exact match	Andover, MA, United StatesHQ recorded Oct 31, 2026	201-500	287 contacts →
	Exact match “For over 50 years, PSI has provided technology solutions and innovative products to our government and commercial customers.” Recorded in the RevenueBase company graph · Oct 31, 2026 · View company records in RevenueBase
16	J.F. Taylor, INC	Exact match	Great Mills, MD, United StatesHQ recorded Oct 31, 2026	201-500	284 contacts →
	Exact match “J.F.” Recorded in the RevenueBase company graph · Oct 31, 2026 · View company records in RevenueBase
17	Craig Technologies	Exact match	Cape Canaveral, FL, United StatesHQ recorded Oct 31, 2026	201-500	268 contacts →
	Exact match “Founded in by CEO Carol Craig, Craig Technologies is a U.S-Owned, Minority-Owned, Service-Disabled Veteran-Owned (SDVO), Economically-Disadvantaged Woman-Owned Small Business…” Recorded in the RevenueBase company graph · Oct 31, 2026 · View company records in RevenueBase
18	Stellar Solutions	Exact match	Los Altos, CA, United StatesHQ recorded Oct 31, 2026	201-500	268 contacts →
	Exact match “Stellar Solutions is an engineering services company providing end-to-end technical expertise and problem solving skills to significant national and international aerospace…” Recorded in the RevenueBase company graph · Oct 31, 2026 · View company records in RevenueBase
19	EWI	Exact match	Columbus, OH, United StatesHQ recorded Oct 31, 2026	51-200	265 contacts →
	Exact match “EWI empowers industry leaders to overcome complex manufacturing challenges and integrate new processes to bring products to market more quickly and efficiently.” Recorded in the RevenueBase company graph · Oct 31, 2026 · View company records in RevenueBase
20	Zone24x7	Exact match	San Jose, CA, United StatesHQ recorded Oct 31, 2026	201-500	245 contacts →
	Exact match “Established in 2004 and headquartered in San Jose, California, Zone24x7 is an advanced Technology and Research Centre located and operating in Colombo, Sri Lanka.” Recorded in the RevenueBase company graph · Oct 31, 2026 · View company records in RevenueBase
21	ATA Engineering	Exact match	San Diego, CA, United StatesHQ recorded Oct 31, 2026	201-500	241 contacts →
	Exact match “ATA Engineering, Inc.(ATA) provides innovative solutions through analysis- and test-driven design by focusing on the engineering needs of manufacturers in addressing their cost…” Recorded in the RevenueBase company graph · Oct 31, 2026 · View company records in RevenueBase
22	GSC	Exact match	Germantown, WI, United StatesHQ recorded Oct 31, 2026	51-200	210 contacts →
	Exact match “GSC provides comprehensive engineering solutions, with a seamless, integrated workflow, for every aspect of product development – design, simulation, 3D printing, communication…” Recorded in the RevenueBase company graph · Oct 31, 2026 · View company records in RevenueBase
23	Andrews Cooper	Exact match	Mcminnville, OR, United StatesHQ recorded Oct 31, 2026	51-200	207 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 · Oct 31, 2026 · View company records in RevenueBase
24	Ryzen Solutions	Exact match	San Jose, CA, United StatesHQ recorded Oct 31, 2026	201-500	190 contacts →
	Exact match “Since Ryzen Solutions has become a trusted provider to Silicon Valley’s growing product development community.” Recorded in the RevenueBase company graph · Oct 31, 2026 · View company records in RevenueBase
25	rapidise.io	Exact match	Milpitas, CA, United StatesHQ recorded Oct 31, 2026	n/a	181 contacts →
	Exact match “Rapidise.io is the world’s first and only AI & Blockchain-enabled TTaaS platform which accelerates product engineering by providing you with global access to companies with…” Recorded in the RevenueBase company graph · Oct 31, 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 “research & development engineering 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 1,769 research & development engineering services based in the United States

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Research & development engineering services based in the United States at a glance

As of Oct 31, 2026

25.8%Verified-email coverage

19.3Average contacts per company

1-10Median size (employees)

2.0%Largest-city concentration · San Diego

Oct 31, 2026Page data refreshed

Companies by employee count

1-10

1,115

11-50

458

51-200

134

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

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 1,769 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 “research & development engineering 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 8,818 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 October 31, 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.

Research & development engineering 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 “research & development engineering services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many research & development engineering services are there based in the United States?

RevenueBase identified 1,769 company matches for research & development engineering services associated with the United States as of October 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?

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

Which city has the most research & development engineering services?

San Diego leads with 35 company records, followed by Austin (26) and Houston (22).

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 8,818 professional contacts with verified work emails tracked across these 1,769 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 October 31, 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.