Company lists · Data refreshed September 2026

Top 25 Food quality assurance consulting firms based in the United States

Name: Food quality assurance consulting firms based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 611 companies tracked

RevenueBase identified 611 food quality assurance consulting firms headquartered in the United States as of September 2026 and tracks 8,797 professional contacts across them, including 2,434 with verified work emails. Houston is the largest hub.

This list covers food quality assurance consulting firms 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 28, 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 28, 2026 86% judged on-target in blind review

611Companies

8,797Contacts tracked

2,434Verified emails

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The 25 largest food quality assurance consulting firms based in the United States

Ranked by team size

Top 25 of 611 food quality assurance consulting firms based in the United States, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to food quality assurance consulting firms: 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.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	PSSI	Partial evidence	Kieler, WI, United StatesHQ checked Sep 28, 2026	10001+	1,465 contacts →
	Partial evidence “Fortrex, formerly known as PSSI, stands at the forefront of food safety and brand protection, providing efficient and safe services at the lowest total cost.” Source: RevenueBase Database · checked Sep 28, 2026
2	Mérieux Nutrisciences	Strong evidence	Chicago, IL, United StatesHQ checked Sep 28, 2026	1,001-5,000	1,262 contacts →
	Strong evidence “Mérieux NutriSciences is a global food safety and quality partner, offering testing, labeling, auditing, consulting, sensory, training and research services to the food &…” Source: RevenueBase Database · checked Sep 28, 2026
3	IEH Laboratories And Consulting Group	Partial evidence	Lake Forest Park, WA, United StatesHQ checked Sep 28, 2026	1,001-5,000	651 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 28, 2026
4	Foodchain ID	Strong evidence	Fairfield, IA, United StatesHQ checked Sep 28, 2026	501-1,000	402 contacts →
	Strong evidence “FoodChain ID has been providing integrated food safety, quality and sustainability services to the global agrifoods industry since 1996.” Source: RevenueBase Database · checked Sep 28, 2026
5	NSF	Partial evidence	Ann Arbor, MI, United StatesHQ checked Sep 28, 2026	501-1,000	390 contacts →
	Partial evidence “NSF is the leading global certifier of Global Food Safety Initiative (GFSI) benchmarked certifications.” Source: RevenueBase Database · checked Sep 28, 2026
6	Deibel Laboratories	Indirect evidence	Niles, IL, United StatesHQ checked Sep 28, 2026	201-500	242 contacts →
	Indirect evidence “Deibel Laboratories started in 1967 by Dr.” Source: RevenueBase Database · checked Sep 28, 2026
7	PRO QC International	Partial evidence	Mchenry, IL, United StatesHQ checked Sep 28, 2026	501-1,000	211 contacts →
	Partial evidence “Pro QC International provides tailored quality solutions with a human touch in 100 countries.” Source: RevenueBase Database · checked Sep 28, 2026
8	Lachman Consultant Services	Partial evidence	Westbury, NY, United StatesHQ checked Sep 28, 2026	51-200	179 contacts →
	Partial evidence “Quality & Compliance \| Regulatory Strategy \| Inspection Readiness & Remediation \| Data Integrity.” Source: RevenueBase Database · checked Sep 28, 2026
9	Matrix Sciences	Partial evidence	Chicago, IL, United StatesHQ checked Sep 28, 2026	201-500	175 contacts →
	Partial 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 28, 2026
10	Rqa, INC	Indirect evidence	Tinley Park, IL, United StatesHQ checked Sep 28, 2026	51-200	102 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 28, 2026
11	RK Environmental Services	Strong evidence	Westwood, NJ, United StatesHQ checked Sep 28, 2026	51-200	100 contacts →
	Strong evidence “RK Environmental specializes in pest management and food safety consulting for food processing plants and members of the food service industry.” Source: RevenueBase Database · checked Sep 28, 2026
12	Thought Frameworks	Indirect evidence	Covina, CA, United StatesHQ checked Sep 28, 2026	51-200	95 contacts →
	Indirect evidence “From Global QA and QC Partners to Full Fledged Digital Transformation Organization, We've got you covered!” Source: RevenueBase Database · checked Sep 28, 2026
13	Eagle Certification Group	Indirect evidence	Dayton, OH, United StatesHQ checked Sep 28, 2026	11-50	80 contacts →
	Indirect evidence “Since 1994, EAGLE has built an excellent reputation by providing third party auditing services that are objective and value-added.” Source: RevenueBase Database · checked Sep 28, 2026
14	Regulatory Compliance Associates RCA	Indirect evidence	Pleasant Prairie, WI, United StatesHQ checked Sep 28, 2026	51-200	67 contacts →
	Indirect evidence “Regulatory Compliance Associates Inc.(RCA) is a team of experienced professionals from FDA-regulated industries including pharmaceutical, biologics and medical device.” Source: RevenueBase Database · checked Sep 28, 2026
15	Fdaqrc	Strong evidence	Cedar Park, TX, United StatesHQ checked Sep 28, 2026	11-50	62 contacts →
	Strong evidence “FDAQRC offers specialized quality consulting, regulatory compliance and quality assurance for Pharmaceutical, Medical Device and Biotech companies.” Source: RevenueBase Database · checked Sep 28, 2026
16	Amerisan	Partial evidence	Boothwyn, PA, United StatesHQ checked Sep 28, 2026	51-200	61 contacts →
	Partial evidence “Amerisan helps food manufacturers maintain a safe food supply by reducing risk and creating innovative solutions that meet the highest standards of food safety.” Source: RevenueBase Database · checked Sep 28, 2026
17	Primus Auditing OPS	Indirect evidence	Santa Maria, CA, United StatesHQ checked Sep 28, 2026	51-200	56 contacts →
	Indirect evidence “Overview: Headquartered in Santa Maria, CA, Primus Auditing Ops provides the fresh produce industry with specialized services related to the safe production and handling of…” Source: RevenueBase Database · checked Sep 28, 2026
18	Safe Food Alliance	Partial evidence	Sacramento, CA, United StatesHQ checked Sep 28, 2026	51-200	55 contacts →
	Partial evidence “Safe Food Alliance offers technical services to growers, packers, processors and food manufacturers to aid in their efforts to maintain the highest standards in food safety.” Source: RevenueBase Database · checked Sep 28, 2026
19	Sequoia Consultants, INC	Strong evidence	Orange, CA, United StatesHQ checked Sep 28, 2026	51-200	54 contacts →
	Strong evidence “Sequoia Consultants are an industry leader in providing comprehensive Quality Control and Quality Assurance service solutions to the transportation construction industry.” Source: RevenueBase Database · checked Sep 28, 2026
20	ASI Food Safety	Partial evidence	St. Ann, MO, United StatesHQ checked Sep 28, 2026	51-200	53 contacts →
	Partial evidence “ASI is a leading farm-to-fork food safety service provider based in St.” Source: RevenueBase Database · checked Sep 28, 2026
21	Birko, A Diversey Company	Indirect evidence	Henderson, CO, United StatesHQ checked Sep 28, 2026	51-200	52 contacts →
	Indirect evidence “Saving lives.” Source: RevenueBase Database · checked Sep 28, 2026
22	Quality Auditing LLC	Strong evidence	Minneapolis, MN, United StatesHQ checked Sep 28, 2026	11-50	43 contacts →
	Strong evidence “Quality Auditing LLC is the industry leader in Quality Management System Auditing & Consulting for clients in highly-regulated industries, including Medical Device…” Source: RevenueBase Database · checked Sep 28, 2026
23	Validation Associates LLC	Indirect evidence	Herndon, VA, United StatesHQ checked Sep 28, 2026	51-200	43 contacts →
	Indirect evidence “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.” Source: RevenueBase Database · checked Sep 28, 2026
24	EAS Consulting Group, LLC	Partial evidence	Alexandria, VA, United StatesHQ checked Sep 28, 2026	11-50	41 contacts →
	Partial evidence “EAS Consulting Group, a member of the Certified family of companies, is a global leader in regulatory solutions for industries regulated by FDA, USDA, and other federal and state…” Source: RevenueBase Database · checked Sep 28, 2026
25	ISS Vertical Quality Solutions	Partial evidence	Cincinnati, OH, United StatesHQ checked Sep 28, 2026	51-200	41 contacts →
	Partial evidence “We believe in quality without compromise, and resolve quality issues more efficiently, and accurately, by holding ourselves to a documented, higher standard.” Source: RevenueBase Database · checked Sep 28, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: food quality assurance consulting firms. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names food quality assurance consulting firms.
Partial evidence: Its own public description names part of food quality assurance consulting firms, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name food quality assurance consulting firms. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 611 food quality assurance consulting firms based in the United States

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Food quality assurance consulting firms based in the United States at a glance

As of Sep 28, 2026

27.7%Verified-email coverage

14.4Average contacts per company

1-10Median size (employees)

2.1%Largest-city concentration · Houston

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

469

11-50

51-200

201-500

501-1,000

1,001-5,000

10001+

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 611 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 food quality assurance consulting firms, 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 “food quality assurance consulting firms”. 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 food quality assurance consulting firms), 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 food quality assurance consulting firms, 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, 2,434 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 28, 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 food quality assurance consulting firms, 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 food quality assurance consulting firms are there based in the United States?

RevenueBase identified 611 food quality assurance consulting firms 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?

PSSI, headquartered in Kieler, tops this list with the largest team on record.

Which city has the most food quality assurance consulting firms?

Houston leads with 13 headquartered companies, followed by Los Angeles (12) and San Diego (11).

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 2,434 verified decision-maker contacts tracked across these 611 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 28, 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.