Company lists · Data refreshed November 2026

Top 25 Test infrastructure companies based in the United States

RevenueBase identified 280 company matches for test infrastructure companies associated with the United States as of November 2026 and tracks 20,224 professional contacts across them, including 8,270 with verified work emails. San Francisco is the largest hub.

This list covers company matches for test infrastructure companies 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
280Companies
20,224Contacts tracked
8,270Verified emails
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The 25 largest test infrastructure companies based in the United States

Ranked by team size
Top 25 of 280 company matches for test infrastructure companies 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchSan Francisco, CA, United StatesHQ recorded Nov 6, 20261,001-5,0003,461 contacts →

Exact match

“GitLab is the Intelligent Orchestration Platform where software teams and their AI agents stay in flow to amplify their capacity for innovation.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchSan Francisco, CA, United StatesHQ recorded Nov 6, 2026501-1,0001,652 contacts →

Exact match

“Harness is a rapidly growing startup that is disrupting the software delivery market.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchDenver, CO, United StatesHQ recorded Nov 6, 20261,001-5,0001,575 contacts →

Exact match

“Atlas Technical Consultants (Atlas) provides professional testing, inspection, engineering, environmental and consulting services nationwide.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchFramingham, MA, United StatesHQ recorded Nov 6, 2026201-5001,463 contacts →

Exact match

“Applause is the global leader in managed software testing services and digital quality.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchTulsa, OK, United StatesHQ recorded Nov 6, 20261,001-5,000864 contacts →

Exact match

“Core capabilities include: Inspection Services (Chief, CWI, NACE/AMPP, Utility, Environmental, Safety, Poly, etc), Non-Destructive Examination (Ultrasonic Testing (UT), Phased…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchArlington Heights, NY, United StatesHQ recorded Nov 6, 20261,001-5,000795 contacts →

Exact match

“Intertek, a leading provider of quality solutions to industries around the world, has completed the acquisition of Professional Service Industries, Inc.(PSI), a leading…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchMaryland Heights, MI, United StatesHQ recorded Nov 6, 2026501-1,000678 contacts →

Exact match

“Electric Power Systems is an independent electrical testing & engineering organization.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchCoral Gables, FL, United StatesHQ recorded Nov 6, 20261,001-5,000576 contacts →

Exact match

“WE'RE HIRING FOR POWER, GAS, & INFRASTRUCTURE ROLES ACROSS THE COUNTRY!* Join the Team That Keeps Energy and Infrastructure Moving Forward.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchTX, United StatesHQ recorded Nov 6, 20261,001-5,000454 contacts →

Exact match

“Software Development Software Testing Infrastructure Management Cloud Computing Solutions”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchSan Mateo, CA, United StatesHQ recorded Nov 6, 2026501-1,000437 contacts →

Exact match

“We are celebrating 30 years of testing excellence and innovation at LogiGear, we're proud to be a cornerstone in our clients' journeys, delivering confidence not just in our…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchSan Francisco, CA, United StatesHQ recorded Nov 6, 2026201-500377 contacts →

Exact match

“CircleCI is CI/CD built to accelerate code delivery with limitless scale and speed.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchAtlanta, GA, United StatesHQ recorded Nov 6, 2026201-500375 contacts →

Exact match

“Katalon True Platform - the AI Platform for Software Quality.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchSan Francisco, CA, United StatesHQ recorded Nov 6, 2026201-500357 contacts →

Exact match

“Sauce Labs AURA (AI-Unified Release Assurance) is the only closed-loop agentic AI platform that authors, runs, and analyzes tests with human oversight.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchGray, TX, United StatesHQ recorded Nov 6, 2026201-500355 contacts →

Exact match

“NVI is a provider of industrial NDT solutions catering to companies with critical infrastructure needs.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchBenicia, CA, United StatesHQ recorded Nov 6, 20261,001-5,000339 contacts →

Exact match

“Underground Construction Co, Inc, headquartered in Benicia, California, has provided quality gas, power, airport fueling and telecom construction services for over 90 years.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchPlymouth Meeting, PA, United StatesHQ recorded Nov 6, 20261,001-5,000328 contacts →

Exact match

“Danella is a leading construction company, providing infrastructure to the power, communications, water, gas, and rail industries.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchDallas, TX, United StatesHQ recorded Nov 6, 2026201-500250 contacts →

Exact match

“ACCELQ is the only cloud-based continuous testing platform that seamlessly automates API and web testing without writing a single line of code.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchLos Angeles, NY, United StatesHQ recorded Nov 6, 2026201-500237 contacts →

Exact match

“Engineering teams rely on Nominal to execute tests, analyze results in real time, collaborate across disciplines, and deliver resilient hardware in days, not months.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchMonrovia, CA, United StatesHQ recorded Nov 6, 2026201-500229 contacts →

Exact match

“Parasoft helps organizations continuously deliver quality software with its market-proven, integrated suite of automated software testing tools.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchMagnolia, TX, United StatesHQ recorded Nov 6, 202651-200181 contacts →

Exact match

“We are an innovative supplier of infrastructure inspection, engineering, and field repair and reinforcement services for the global electrical utility, renewables, lighting, and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchBurton, IN, United StatesHQ recorded Nov 6, 2026501-1,000156 contacts →

Exact match

“Trialon is now Element!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchChicago, IL, United StatesHQ recorded Nov 6, 202651-200153 contacts →

Exact match

“Enterprise success is not measured by how fast you release.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchPlano, TX, United StatesHQ recorded Nov 6, 2026201-500123 contacts →

Exact match

“Welcome to ImpactQA – Where Excellence Meets Innovation in Software Testing and QA Consulting.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchNY, United StatesHQ recorded Nov 6, 202651-200121 contacts →

Exact match

“RTTS is the premier pure-play QA & Testing organization that specializes in Test Automation.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchMyrtle Beach, SC, United StatesHQ recorded Nov 6, 2026201-500117 contacts →

Exact match

“Trueline Infrastructure Solutions is a leading technology enabled infrastructure services provider, specializing in design, engineering, construction, and contracting services to…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 280 test infrastructure companies based in the United States

See the full list, filter by size, metro and specialty, and access 8,270 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Test infrastructure companies based in the United States at a glance

As of Nov 6, 2026
40.9%Verified-email coverage
72.2Average contacts per company
11-50Median size (employees)
6.8%Largest-city concentration · San Francisco
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
99
11-50
84
51-200
58
201-500
15
501-1,000
11
1,001-5,000
11
10001+
2

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 280 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 “test infrastructure companies” 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 8,270 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 “test infrastructure companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many test infrastructure companies are there based in the United States?

RevenueBase identified 280 company matches for test infrastructure companies 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?

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

Which city has the most test infrastructure companies?

San Francisco leads with 19 company records, followed by New York (12) and Austin (9).

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 8,270 professional contacts with verified work emails tracked across these 280 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.