Company lists · Data refreshed November 2026

Top 23 Laboratory accreditation services based in the United States

RevenueBase identified 345 company matches for laboratory accreditation services associated with the United States as of November 2026 and tracks 35,877 professional contacts across them, including 11,669 with verified work emails. Houston is the largest hub.

This list covers company matches for laboratory accreditation 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
345Companies
35,877Contacts tracked
11,669Verified emails
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The 23 largest laboratory accreditation services based in the United States

Ranked by team size
Top 23 of 345 company matches for laboratory accreditation 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchPhoenix, AZ, United StatesHQ recorded Nov 6, 20261,001-5,0001,295 contacts →

Exact match

“Sonora Quest Laboratories, a subsidiary of Laboratory Sciences of Arizona, is an Arizona-based joint venture between Banner Health and Quest Diagnostics (NYSE: DGX) that makes up…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchMarietta, GA, United StatesHQ recorded Nov 6, 20261,001-5,000961 contacts →

Exact match

“Applied Technical Services assists commercial and industrial clients by providing inspection, testing, consulting engineering, and calibration services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchBoxborough, CA, United StatesHQ recorded Nov 6, 2026501-1,000763 contacts →

Exact match

“TÜV Rheinland is a world leader in testing, inspection and certification services for a wide variety of industries.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchSan Antonio, OH, United StatesHQ recorded Nov 6, 2026501-1,000458 contacts →

Exact match

“As part of Certified Group, Food Safety Net Services (FSNS) and Certified Laboratories partner with customers to deliver innovative scientific solutions and expertise – So The…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchSan Diego, MD, United StatesHQ recorded Nov 6, 2026501-1,000414 contacts →

Exact match

“For more than 50 years, Technical Safety Services has helped laboratories, pharmacies, healthcare, and life science facilities protect the environments and systems they depend on.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchMinneapolis, MN, United StatesHQ recorded Nov 6, 20261,001-5,000326 contacts →

Exact match

“Watch our video on the history and culture of Pace at https://goo.gl/L3ruD3 or get a more detailed look through our company brochure at https://goo.gl/feMDwU!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchToledo, OH, United StatesHQ recorded Nov 6, 2026201-500320 contacts →

Exact match

“Established in Toledo, Ohio in 1946, Pathology Laboratories, Inc.(PathLabs) fostered a reputation among the area’s private medical practitioners as a provider of prompt, reliable…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchCary, NC, United StatesHQ recorded Nov 6, 2026201-500298 contacts →

Exact match

“Accreditation Commission for Health Care (ACHC) is a leader in accreditation and related education, trusted by healthcare organizations internationally.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchGolden, CO, United StatesHQ recorded Nov 6, 202651-200259 contacts →

Exact match

“For more than 40 years, Waters ERA has been providing analytical laboratories and organizations that rely on laboratory data with the products and services they need to achieve…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchColumbia, MD, United StatesHQ recorded Nov 6, 202651-200243 contacts →

Exact match

“Commission on Laboratory Accreditation (COLA Inc.) is a physician-directed organization whose purpose is to promote health and safety through accreditation and educational…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchSan Ramon, HI, United StatesHQ recorded Nov 6, 2026201-500208 contacts →

Exact match

“At Consolidated Engineering Laboratories (CEL) we consider ourselves more than a Testing Laboratory.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchWarrendale, PA, United StatesHQ recorded Nov 6, 202651-200207 contacts →

Exact match

“Performance Review Institute® (PRI℠) is headquartered in Pittsburgh, Pennsylvania in the USA, with offices in London, UK to serve Europe and in Beijing, China and Aichi, Japan…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchWashington, IN, United StatesHQ recorded Nov 6, 202651-200195 contacts →

Exact match

“The ANSI National Accreditation Board plays an important role in ensuring the safety and quality of goods and services and in protecting the environment.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchFrederick, MD, United StatesHQ recorded Nov 6, 202651-200142 contacts →

Exact match

“A2LA is a nonprofit, non-governmental, public service, membership society.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchWatertown, MA, United StatesHQ recorded Nov 6, 2026501-1,000135 contacts →

Exact match

“RoyalCert is one of the fastest-growing certification bodies, with an international presence in more than 30 countries that is constantly expanding.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchBrea, CA, United StatesHQ recorded Nov 6, 202611-5093 contacts →

Exact match

“IAS accredits a wide range of companies and organizations including governmental entities, academia, commercial businesses, and professional associations.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchChelmsford, MA, United StatesHQ recorded Nov 6, 202651-20087 contacts →

Exact match

“Essco Calibration Laboratory provides calibration services for a wide variety of commercial test equipment.Capabilities include electronic, mechanical, fiber-optic…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchLawrenceville, GA, United StatesHQ recorded Nov 6, 202651-20080 contacts →

Exact match

“Vastian is the leading provider of healthcare and laboratory quality, compliance, and accreditation solutions, powering laboratories and hospitals to achieve better clarity and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchDayton, OH, United StatesHQ recorded Nov 6, 202611-5076 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 · Nov 6, 2026 · View company records in RevenueBase
20Exact matchBluffdale, UT, United StatesHQ recorded Nov 6, 202651-20070 contacts →

Exact match

“Canyon Labs partners with pharmaceutical and medical device companies to support products from development through launch and long-term market maintenance.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchCoatesville, IL, United StatesHQ recorded Nov 6, 202651-20067 contacts →

Exact match

“Constellation PowerLabs has been performing quality calibrations and testing services since 1911.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchArvada, MI, United StatesHQ recorded Nov 6, 2026501-1,00066 contacts →

Exact match

“Amtivo delivers accredited certification services to ISO management system standards, training, and sector-specific schemes, helping organizations demonstrate conformity, meet…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchGrand Prairie, TX, United StatesHQ recorded Nov 6, 202651-20065 contacts →

Exact match

“AFL provides analyt­ical data for the consumer goods industry, from concept to consump­tion -working with national, regional, and local clients in the food, phar­ma­ceu­tical…”

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

Showing 23 of 345 laboratory accreditation services based in the United States

See the full list, filter by size, metro and specialty, and access 11,669 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Laboratory accreditation services based in the United States at a glance

As of Nov 6, 2026
32.5%Verified-email coverage
104.0Average contacts per company
11-50Median size (employees)
2.3%Largest-city concentration · Houston
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
122
11-50
148
51-200
48
201-500
11
501-1,000
9
1,001-5,000
5
10001+
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 345 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 “laboratory accreditation 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 11,669 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 “laboratory accreditation services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many laboratory accreditation services are there based in the United States?

RevenueBase identified 345 company matches for laboratory accreditation 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?

Sonora Quest Laboratories Laboratory Sciences Of Arizona tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most laboratory accreditation services?

Houston leads with 8 company records, followed by Miami (7) and Chicago (5).

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 11,669 professional contacts with verified work emails tracked across these 345 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.