Company lists · Data refreshed September 2026

Top 25 Milk testing laboratories based in the United States

RevenueBase identified 147 milk testing laboratories headquartered in the United States as of September 2026 and tracks 4,294 professional contacts across them, including 1,547 with verified work emails. Tulare is the largest hub.

This list covers milk testing laboratories headquartered in the United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 20, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 20, 2026 86% judged on-target in blind review
147Companies
4,294Contacts tracked
1,547Verified emails
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The 25 largest milk testing laboratories based in the United States

Ranked by team size
Top 25 of 147 milk testing laboratories based in the United States, ranked by team size, largest first. Data refreshed Sep 20, 2026. RevenueBase Smart Search rates how each company's information relates to milk testing laboratories: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Partial evidenceLake Forest Park, WA, United StatesHQ checked Sep 20, 20261,001-5,000651 contacts →

Partial evidence

“IEH is an international lab & consulting services company, offering a comprehensive portfolio of lab testing services and consultation across multiple industries.”

Source: RevenueBase Database · checked Sep 20, 2026
2Indirect evidencePittsburgh, PA, United StatesHQ checked Sep 20, 2026501-1,000494 contacts →

Indirect evidence

“Companies of all sizes partner with Microbac to test the quality, safety, and performance of their products and operations.”

Source: RevenueBase Database · checked Sep 20, 2026
3Partial evidenceSan Antonio, TX, United StatesHQ checked Sep 20, 2026501-1,000451 contacts →

Partial evidence

“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…”

Source: RevenueBase Database · checked Sep 20, 2026
4Partial evidenceMelville, NY, United StatesHQ checked Sep 20, 20261,001-5,000287 contacts →

Partial evidence

“As part of Certified Group, Certified Laboratories partners with customers to deliver innovative scientific solutions and expertise – So The World Can Trust In What It Consumes™.”

Source: RevenueBase Database · checked Sep 20, 2026
5Partial evidenceNiles, IL, United StatesHQ checked Sep 20, 2026201-500242 contacts →

Partial evidence

“Deibel Laboratories started in 1967 by Dr.”

Source: RevenueBase Database · checked Sep 20, 2026
6Indirect evidenceOmaha, NE, United StatesHQ checked Sep 20, 202651-200182 contacts →

Indirect evidence

“Driving smart decisions has been our passion since 1975, and we continue to do this by recruiting talented individuals in the fields of Chemistry, Biochemistry, Biology…”

Source: RevenueBase Database · checked Sep 20, 2026
7Indirect evidenceChicago, IL, United StatesHQ checked Sep 20, 2026201-500175 contacts →

Indirect evidence

“Matrix Sciences partners with the agri-food industry to deliver science-based solutions that support confident decision-making across the supply chain from Cultivation to…”

Source: RevenueBase Database · checked Sep 20, 2026
8Partial evidenceCincinnati, OH, United StatesHQ checked Sep 20, 202651-200162 contacts →

Partial evidence

“Q Laboratories is an FDA/MoCRA registered (#1527260), cGMP/GLP compliant, and ISO/IEC 17025 accredited contract laboratory supporting global brands in delivering safe…”

Source: RevenueBase Database · checked Sep 20, 2026
9Partial evidenceMadison, WI, United StatesHQ checked Sep 20, 2026201-500152 contacts →

Partial evidence

“AgSource is a broad-based agricultural service cooperative specializing in laboratory testing and the generation of value-added management information.”

Source: RevenueBase Database · checked Sep 20, 2026
10Partial evidenceHouston, TX, United StatesHQ checked Sep 20, 202651-200112 contacts →

Partial evidence

“Eagle Analytical is an FDA- and DEA-registered, A2LA ISO 17025-accredited laboratory that provides analytical chemistry, microbiological testing, consulting, and technical…”

Source: RevenueBase Database · checked Sep 20, 2026
11Indirect evidenceGrand Prairie, TX, United StatesHQ checked Sep 20, 202651-20056 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 20, 2026
12Partial evidenceFremont, CA, United StatesHQ checked Sep 20, 202611-5052 contacts →

Partial evidence

“AEMTEK is a high quality, third party laboratory that provides testing, research, training, consulting services, and sampling products for the food, environmental, water…”

Source: RevenueBase Database · checked Sep 20, 2026
13Indirect evidenceWatertown, WI, United StatesHQ checked Sep 20, 202651-20049 contacts →

Indirect evidence

“Rock River Laboratory partners with our customers to serve the living and growing needs of the agriculture and analysis industries.”

Source: RevenueBase Database · checked Sep 20, 2026
14Indirect evidencePortland, OR, United StatesHQ checked Sep 20, 202611-5047 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 20, 2026
15Indirect evidenceWaynesboro, PA, United StatesHQ checked Sep 20, 202651-20047 contacts →

Indirect evidence

“Cumberland Valley Analytical Services (CVAS) was started in 1994 as a small chemistry forage lab serving the local dairy industry in Maryland and south-central Pennsylvania.”

Source: RevenueBase Database · checked Sep 20, 2026
16Indirect evidenceArcadia, WI, United StatesHQ checked Sep 20, 202651-20045 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 20, 2026
17Indirect evidenceDes Moines, IA, United StatesHQ checked Sep 20, 2026201-50041 contacts →

Indirect evidence

“Recognized as a Center of Excellence for Nutrition, the Des Moines laboratory specializes in analyzing feed, commodities, pet food, human food and dietary supplements for…”

Source: RevenueBase Database · checked Sep 20, 2026
18Indirect evidenceKearney, NE, United StatesHQ checked Sep 20, 202611-5033 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 20, 2026
19Indirect evidenceNiantic, IL, United StatesHQ checked Sep 20, 202651-20030 contacts →

Indirect evidence

“EPL Bio Analytical Services, a globally recognized, award winning analytical contract lab, serves agricultural biotechnology and chemical companies by analyzing feed, food…”

Source: RevenueBase Database · checked Sep 20, 2026
20Partial evidenceFerndale, WA, United StatesHQ checked Sep 20, 202611-5029 contacts →

Partial evidence

“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…”

Source: RevenueBase Database · checked Sep 20, 2026
21Partial evidenceNew Brunswick, NJ, United StatesHQ checked Sep 20, 202611-5028 contacts →

Partial evidence

“NJ Labs provides expert analytical chemistry & microbiology testing for the pharmaceutical, nutraceutical, dietary supplement, cosmetic, dairy & food industries.”

Source: RevenueBase Database · checked Sep 20, 2026
22Indirect evidenceKansas City, MO, United StatesHQ checked Sep 20, 202611-5024 contacts →

Indirect evidence

“GPAL serves a broad range of customers within the food and feed industries including food manufacturing, the grain, milling and baking industries, petfood manufacturers, meat…”

Source: RevenueBase Database · checked Sep 20, 2026
23Partial evidenceSalt Lake City, UT, United StatesHQ checked Sep 20, 202651-20023 contacts →

Partial evidence

“Dyad Labs (A Mérieux NutriSciences Company) is an ISO/IEC 17025:2017 accredited contract laboratory providing specialized chemistry and microbiology testing services to the…”

Source: RevenueBase Database · checked Sep 20, 2026
24Indirect evidenceHamilton, NJ, United StatesHQ checked Sep 20, 202611-5022 contacts →

Indirect evidence

“As an award-winning laboratory supplier, we are the preferred distributor for several notable companies such as; Dean, Kroger, QCS and All Star.”

Source: RevenueBase Database · checked Sep 20, 2026
25Partial evidenceCypress, CA, United StatesHQ checked Sep 20, 202611-5021 contacts →

Partial evidence

“Food Testing and Research Services Experts for your most important food safety and quality decisions.”

Source: RevenueBase Database · checked Sep 20, 2026

Showing 25 of 147 milk testing laboratories based in the United States

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Milk testing laboratories based in the United States at a glance

As of Sep 20, 2026
36.0%Verified-email coverage
29.2Average contacts per company
11-50Median size (employees)
2.0%Largest-city concentration · Tulare
Sep 20, 2026Page data refreshed

Companies by employee count

1-10
50
11-50
64
51-200
22
201-500
6
501-1,000
3
1,001-5,000
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 147 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among milk testing laboratories, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in the United States whose own description of what they do matches “milk testing laboratories”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names milk testing laboratories), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among milk testing laboratories, and records with no verified work email. Companies headquartered outside United States are excluded even when they keep an office there.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 1,547 across the full list. 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 20, 2026. Lists refresh periodically as the graph is re-checked.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names milk testing laboratories, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many milk testing laboratories are there based in the United States?

RevenueBase identified 147 milk testing laboratories headquartered in the United States as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

IEH Laboratories And Consulting Group, headquartered in Lake Forest Park, tops this list with the largest team on record.

Which city has the most milk testing laboratories?

Tulare leads with 3 headquartered companies, followed by Dalzell (2) and Fairfield (2).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 1,547 verified decision-maker contacts tracked across these 147 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 20, 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 Smart Search, 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.