Company lists · Data refreshed September 2026

Top 25 Pharmaceutical microbial testing services based in the United States

Name: Pharmaceutical microbial testing services based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 17, 2026 182 companies tracked

RevenueBase identified 182 company matches for pharmaceutical microbial testing services associated with the United States as of September 2026 and tracks 5,550 professional contacts across them, including 2,505 with verified work emails. Houston is the largest hub.

This list covers company matches for pharmaceutical microbial testing 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 September 17, 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 17, 2026 How this list was built

182Companies

5,550Contacts tracked

2,505Verified emails

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The 25 largest pharmaceutical microbial testing services based in the United States

Ranked by team size

Top 25 of 182 company matches for pharmaceutical microbial testing services based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 17, 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	Nelson Labs	Exact match	Salt Lake City, UT, United StatesHQ recorded Sep 17, 2026	501-1,000	775 contacts →
	Exact match “Nelson Labs is a global leader in microbiological and analytical chemistry testing and advisory services for the medical device and pharmaceutical industries.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
2	Microbac Laboratories, INC	Exact match	Pittsburgh, PA, United StatesHQ recorded Sep 17, 2026	501-1,000	494 contacts →
	Exact match “Companies of all sizes partner with Microbac to test the quality, safety, and performance of their products and operations.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
3	Hygiena	Exact match	Camarillo, CA, United StatesHQ recorded Sep 17, 2026	501-1,000	485 contacts →
	Exact match “Hygiena delivers rapid microbial detection, monitoring, and identification solutions to a wide range of industries, including food and beverage, healthcare, hospitality…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
4	ARL BIO Pharma	Exact match	Oklahoma City, OK, United StatesHQ recorded Sep 17, 2026	201-500	286 contacts →
	Exact match “ARL Bio Pharma is a contract laboratory that provides analytical and microbiological testing for the pharmaceutical industry.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
5	Associates Of Cape Cod, INC	Exact match	East Falmouth, MA, United StatesHQ recorded Sep 17, 2026	201-500	259 contacts →
	Exact match “Specializing in recombinant and traditional chromogenic and turbidimetric reagent technologies for 50 years.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
6	Deibel Laboratories	Exact match	Niles, IL, United StatesHQ recorded Sep 17, 2026	201-500	242 contacts →
	Exact match “Deibel Laboratories started in 1967 by Dr.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
7	Quality Chemical Laboratories	Exact match	Wilmington, NC, United StatesHQ recorded Sep 17, 2026	201-500	177 contacts →
	Exact match “QCL is science driven, quality focused, and responsive.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
8	Q Laboratories	Exact match	Cincinnati, OH, United StatesHQ recorded Sep 17, 2026	51-200	162 contacts →
	Exact match “Q Laboratories is an FDA/MoCRA registered (#1527260), cGMP/GLP compliant, and ISO/IEC 17025 accredited contract laboratory supporting global brands in delivering safe…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
9	Pacific Biolabs, INC	Exact match	Hercules, CA, United StatesHQ recorded Sep 17, 2026	51-200	120 contacts →
	Exact match “Pacific BioLabs is the leading West Coast provider of GMP/GLP laboratory testing services supporting Medical Device, Pharmaceutical, and Biotechnology industries.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
10	EAGLE	Exact match	Houston, TX, United StatesHQ recorded Sep 17, 2026	51-200	112 contacts →
	Exact match “Eagle Analytical is an FDA- and DEA-registered, A2LA ISO 17025-accredited laboratory that provides analytical chemistry, microbiological testing, consulting, and technical…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
11	IHMA	Exact match	Schaumburg, IL, United StatesHQ recorded Sep 17, 2026	51-200	86 contacts →
	Exact match “IHMA provides a full suite of technical capabilities and domain expertise in all phases of antimicrobial drug development: drug discovery, clinical development, regulatory…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
12	Eurofins Infinity Laboratory Group, INC	Exact match	Lancaster, CO, United StatesHQ recorded Sep 17, 2026	51-200	86 contacts →
	Exact match “Infinity Laboratories, now part of Eurofins network of laboratories, is a leading contract testing organization with a national network of state-of-the-art facilities, ensuring…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
13	Canyon Labs	Exact match	Bluffdale, UT, United StatesHQ recorded Sep 17, 2026	51-200	65 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 · Sep 17, 2026 · View company records in RevenueBase
14	Solvias Usa, LLC	Exact match	Canton, MA, United StatesHQ recorded Sep 17, 2026	11-50	63 contacts →
	Exact match “A FDA Registered, DEA Licensed CRO providing expertise in Regulated QC monograph testing; CMC Data production; Bio-analytical analysis Extractables/Leachables assessment; and…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
15	Microchem Laboratory	Exact match	Round Rock, United StatesHQ recorded Sep 17, 2026	11-50	61 contacts →
	Exact match “Microchem Laboratory is an independent, FDA and EPA GLP-compliant contract testing facility, located in the greater Austin, Texas area.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
16	Primera Analytical Solutions Corporation	Exact match	Princeton, NJ, United StatesHQ recorded Sep 17, 2026	51-200	49 contacts →
	Exact match “Primera Analytical Solutions is a GLP and GMP CRO in great standing with the FDA.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
17	Lexamed- Microbiology & Analytical Laboratory	Exact match	Toledo, OH, United StatesHQ recorded Sep 17, 2026	11-50	46 contacts →
	Exact match “LexaMed is a company dedicated to providing the pharmaceutical, medical device and biotechnology industries with quality, compliant, state-of-the-art services in the areas of…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
18	Analytical LAB Group	Exact match	Eagan, MN, United StatesHQ recorded Sep 17, 2026	n/a	44 contacts →
	Exact match “Analytical Lab Group, proud to be part of Element, is an industry leader in the specialty contract lab space and comprises FDA- and EPA-focused laboratories across the United…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
19	Accurant Biotech, INC	Exact match	Princeton, NJ, United StatesHQ recorded Sep 17, 2026	51-200	40 contacts →
	Exact match “Accurant Biotech is a GxP-compliant contract research organization (CRO) specializing in bioanalytical support for large molecule and biologic therapeutics.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
20	Midwest Compliance Laboratories	Exact match	Terre Haute, IN, United StatesHQ recorded Sep 17, 2026	11-50	30 contacts →
	Exact match “We offer cGMP QC contract laboratory services to the pharmaceutical, nutraceutical, and food industries.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
21	Biochroma Analytical Labs	Exact match	Dallas, TX, United StatesHQ recorded Sep 17, 2026	11-50	30 contacts →
	Exact match “BioChroma Analytical Labs LLC is based out of the DFW metroplex in the heart of Texas.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
22	Exact Scientific Services, INC	Exact match	Ferndale, WA, United StatesHQ recorded Sep 17, 2026	11-50	29 contacts →
	Exact match “A Higher Level of Laboratory Testing As a quality assurance or R&D professional, you expect fast, accurate, and client-focused results for your chemistry and microbiological…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
23	CS Analytical	Exact match	Clifton, NJ, United StatesHQ recorded Sep 17, 2026	11-50	28 contacts →
	Exact match “Located in Clifton, New Jersey, CS Analytical represents the only cGMP, FDA-regulated laboratory exclusively designed and built to serve the container and package testing needs of…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
24	NJ Labs	Exact match	New Brunswick, NJ, United StatesHQ recorded Sep 17, 2026	11-50	28 contacts →
	Exact match “NJ Labs provides expert analytical chemistry & microbiology testing for the pharmaceutical, nutraceutical, dietary supplement, cosmetic, dairy & food industries.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
25	Microbiology Specialists Incorporated	Exact match	Houston, TX, United StatesHQ recorded Sep 17, 2026	11-50	28 contacts →
	Exact match “We are located near the Texas Medical Center in Houston, Texas.” Recorded in the RevenueBase company graph · Sep 17, 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 “pharmaceutical microbial testing 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 182 pharmaceutical microbial testing services based in the United States

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Pharmaceutical microbial testing services based in the United States at a glance

As of Sep 17, 2026

45.1%Verified-email coverage

30.5Average contacts per company

11-50Median size (employees)

2.7%Largest-city concentration · Houston

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

5,001-10,000

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 182 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 “pharmaceutical microbial testing 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 2,505 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 17, 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 “pharmaceutical microbial testing services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many pharmaceutical microbial testing services are there based in the United States?

RevenueBase identified 182 company matches for pharmaceutical microbial testing services 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?

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

Which city has the most pharmaceutical microbial testing services?

Houston leads with 5 company records, followed by Castle Rock (3) and Miami (3).

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 2,505 professional contacts with verified work emails tracked across these 182 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 17, 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.