Company lists · Data refreshed September 2026

Top 25 Quality assurance audit consultants based in the United States

RevenueBase identified 646 company matches for quality assurance audit consultants associated with the United States as of September 2026 and tracks 5,298 professional contacts across them, including 1,323 with verified work emails. Houston is the largest hub.

This list covers company matches for quality assurance audit consultants 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 September 29, 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 Sep 29, 2026 How this list was built
646Companies
5,298Contacts tracked
1,323Verified emails
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The 25 largest quality assurance audit consultants based in the United States

Ranked by team size
Top 25 of 646 company matches for quality assurance audit consultants based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 29, 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 matchIndianapolis, IN, United StatesHQ recorded Sep 29, 2026501-1,000417 contacts →

Exact match

“iLAB specializes in Software Quality Assurance services, providing global solutions to our customers.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
2Exact matchTX, United StatesHQ recorded Sep 29, 2026501-1,000347 contacts →

Exact match

“Quality Professionals (Q-Pros) is a global independent software Quality Assurance and Testing services provider supporting enterprise and government organizations.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
3Exact matchCarlsbad, CA, United StatesHQ recorded Sep 29, 2026201-500266 contacts →

Exact match

“Vaisesika Consulting is a global tech and consulting firm that helps businesses transform their digital setups and stay compliant in a straightforward way.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
4Exact matchMchenry, IL, United StatesHQ recorded Sep 29, 2026501-1,000211 contacts →

Exact match

“Pro QC International provides tailored quality solutions with a human touch in 100 countries.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
5Exact matchWestbury, NY, United StatesHQ recorded Sep 29, 202651-200179 contacts →

Exact match

“Quality & Compliance | Regulatory Strategy | Inspection Readiness & Remediation | Data Integrity.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
6Exact matchMiami, FL, United StatesHQ recorded Sep 29, 202651-200142 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
7Exact matchCovina, CA, United StatesHQ recorded Sep 29, 202651-20095 contacts →

Exact match

“From Global QA and QC Partners to Full Fledged Digital Transformation Organization, We've got you covered!”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
8Exact matchSt. Louis Park, United StatesHQ recorded Sep 29, 202651-20082 contacts →

Exact match

“SWAT is a leading QA company in the technology industry.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
9Exact matchDayton, OH, United StatesHQ recorded Sep 29, 202611-5080 contacts →

Exact match

“Since 1994, EAGLE has built an excellent reputation by providing third party auditing services that are objective and value-added.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
10Exact matchFarmington, CT, United StatesHQ recorded Sep 29, 2026501-1,00080 contacts →

Exact match

“At Niktor, we help you get the most out of your business, no matter how big or how small, and no matter your industry or field, with a combination of process excellence, quality…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
11Exact matchFarmington, CT, United StatesHQ recorded Sep 29, 2026501-1,00071 contacts →

Exact match

“At Niktor Inc, we help you get the most out of your business, no matter how big or how small, and no matter your industry or field, with a combination of process excellence…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
12Exact matchPleasant Prairie, WI, United StatesHQ recorded Sep 29, 202651-20067 contacts →

Exact match

“Regulatory Compliance Associates Inc.(RCA) is a team of experienced professionals from FDA-regulated industries including pharmaceutical, biologics and medical device.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
13Exact matchCedar Park, TX, United StatesHQ recorded Sep 29, 202611-5062 contacts →

Exact match

“FDAQRC offers specialized quality consulting, regulatory compliance and quality assurance for Pharmaceutical, Medical Device and Biotech companies.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
14Exact matchOrange, CA, United StatesHQ recorded Sep 29, 202651-20054 contacts →

Exact match

“Sequoia Consultants are an industry leader in providing comprehensive Quality Control and Quality Assurance service solutions to the transportation construction industry.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
15Exact matchSan Diego, United StatesHQ recorded Sep 29, 202651-20046 contacts →

Exact match

“Mission: Christy White Associates’ promise to our clients is a worthwhile business relationship with responsive, trustworthy advisors and timely delivery of quality assurance…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
16Exact matchDraper, UT, United StatesHQ recorded Sep 29, 202611-5046 contacts →

Exact match

“The Axeon Difference Axeon Corporation is a customer-focused, practical and approachable, technically sound training and consulting firm.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
17Exact matchMinneapolis, MN, United StatesHQ recorded Sep 29, 202611-5043 contacts →

Exact match

“Quality Auditing LLC is the industry leader in Quality Management System Auditing & Consulting for clients in highly-regulated industries, including Medical Device…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
18Exact matchHerndon, VA, United StatesHQ recorded Sep 29, 202651-20043 contacts →

Exact match

“Headquartered in Herndon, VA, Validation Associates LLC is a staffing and professional services firm led by a management team with over 25 years of industry experience.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
19Exact matchCincinnati, OH, United StatesHQ recorded Sep 29, 202651-20041 contacts →

Exact match

“We believe in quality without compromise, and resolve quality issues more efficiently, and accurately, by holding ourselves to a documented, higher standard.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
20Exact matchPleasanton, CA, United StatesHQ recorded Sep 29, 202611-5038 contacts →

Exact match

“RxCloud is a professional services organization focused exclusively on Pharma, Biotech and Medical device industries.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
21Exact matchMoraine, OH, United StatesHQ recorded Sep 29, 202651-20034 contacts →

Exact match

“Supplier Inspection Services, Inc.(SIS, Inc.) is a quality management support services provider that partners with companies worldwide within the Automotive, Aerospace, Appliance…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
22Exact matchDayton, OH, United StatesHQ recorded Sep 29, 202611-5031 contacts →

Exact match

“Lighthouse, an Inc.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
23Exact matchDurham, NC, United StatesHQ recorded Sep 29, 202611-5029 contacts →

Exact match

“Quest Advisors ("Quest"), founded in 1995, has provided the mortgage banking industry with quality assurance consulting, advisory, and outsourcing services.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
24Exact matchHouston, TX, United StatesHQ recorded Sep 29, 202611-5029 contacts →

Exact match

“The ISO 9001 Group is a full-service business and management system consulting, auditing and training firm based in Houston, Texas.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
25Exact matchHouston, TX, United StatesHQ recorded Sep 29, 202651-20026 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase

Showing 25 of 646 quality assurance audit consultants based in the United States

See the full list, filter by size, metro and specialty, and access 1,323 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Quality assurance audit consultants based in the United States at a glance

As of Sep 29, 2026
25.0%Verified-email coverage
8.2Average contacts per company
1-10Median size (employees)
2.5%Largest-city concentration · Houston
Sep 29, 2026Page data refreshed

Companies by employee count

1-10
492
11-50
107
51-200
33
201-500
4
501-1,000
8
5,001-10,000
1

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 646 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 “quality assurance audit consultants” 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 1,323 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 September 29, 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 “quality assurance audit consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many quality assurance audit consultants are there based in the United States?

RevenueBase identified 646 company matches for quality assurance audit consultants associated with the United States as of September 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?

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

Which city has the most quality assurance audit consultants?

Houston leads with 16 company records, followed by Los Angeles (13) and San Diego (12).

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 1,323 professional contacts with verified work emails tracked across these 646 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 September 29, 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.