Company lists · Data refreshed November 2026

Top 16 Biodiesel testing labs based in the United States

RevenueBase identified 28 company matches for biodiesel testing labs associated with the United States as of November 2026 and tracks 400 professional contacts across them, including 166 with verified work emails. Houston is the largest hub.

This list covers company matches for biodiesel testing labs 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
28Companies
400Contacts tracked
166Verified emails
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The 16 largest biodiesel testing labs based in the United States

Ranked by team size
Top 16 of 28 company matches for biodiesel testing labs 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 matchHouston, TX, United StatesHQ recorded Nov 6, 202651-20070 contacts →

Exact match

“Texas OilTech Laboratories, is committed to remaining a world-class petroleum testing laboratory for the analysis of fuels, lubricants, petrochemical, and environmental materials.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchErie, AL, United StatesHQ recorded Nov 6, 202651-20049 contacts →

Exact match

“HERO BX is engaged in the production and marketing of biodiesel at the Company’s facility located in Erie, Pennsylvania.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchEl Paso, TX, United StatesHQ recorded Nov 6, 202651-20046 contacts →

Exact match

“Rio Valley Biofuels, New Mexico's first and one of the Southwest's only commercial producers is located in Anthony, New Mexico.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchChicago, TX, United StatesHQ recorded Nov 6, 202611-5039 contacts →

Exact match

“Ayalytical Instruments: Your Testing Refined Influential, innovative and progressive.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchPasadena, TX, United StatesHQ recorded Nov 6, 202651-20038 contacts →

Exact match

“At PQM we provide oil/fuel testing, inspection and consulting services in the U.S.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchThorofare, NJ, United StatesHQ recorded Nov 6, 202651-20030 contacts →

Exact match

“NMK Resources is a distinguished independent inspection and laboratory service provider, trusted by major oil companies across the United States and globally.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchN Little Rock, AR, United StatesHQ recorded Nov 6, 202611-5021 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchSparta, NJ, United StatesHQ recorded Nov 6, 202611-5018 contacts →

Exact match

“ATS Environmental is the leader in providing accurate compliance testing for domestic and international petroleum marketers and commercial fueling enterprises.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchLong Beach, CA, United StatesHQ recorded Nov 6, 202611-5010 contacts →

Exact match

“Brightside Scientific is the first Green Zone compliant, state-of-the-art Cannabis testing facility in Long Beach, California.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchVancouver, WA, United StatesHQ recorded Nov 6, 202611-509 contacts →

Exact match

“Our team at FOI Laboratories has a broad range of expertise, inside industry knowledge, and years of helping companies with their fuel testing needs.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchAdrian, MI, United StatesHQ recorded Nov 6, 202651-2008 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchBakersfield, CA, United StatesHQ recorded Nov 6, 202611-508 contacts →

Exact match

“Zalco Laboratories was founded in 1979 by John Zaletel, Ph.D and Jim Etherton.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchWillington, CT, United StatesHQ recorded Nov 6, 20261-105 contacts →

Exact match

“ClearStak, LLC is a privately held environmental testing lab located in Putnam, Connecticut.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchWest Springfield, MA, United StatesHQ recorded Nov 6, 20261-103 contacts →

Exact match

“Sterling Analytical Laboratory in West Springfield, Massachusetts is an analytical testing Lab specializing in the analysis of water, wastewater, soils, solids, fuels, and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchDuncannon, PA, United StatesHQ recorded Nov 6, 20261-102 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchVenice, FL, United StatesHQ recorded Nov 6, 202611-501 contacts →

Exact match

Recorded description not available.

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

Showing 16 of 28 biodiesel testing labs based in the United States

See the full list, filter by size, metro and specialty, and access 166 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Biodiesel testing labs based in the United States at a glance

As of Nov 6, 2026
41.5%Verified-email coverage
14.3Average contacts per company
11-50Median size (employees)
10.7%Largest-city concentration · Houston
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
9
11-50
11
51-200
8

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 28 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 “biodiesel testing labs” 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 166 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 “biodiesel testing labs”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many biodiesel testing labs are there based in the United States?

RevenueBase identified 28 company matches for biodiesel testing labs 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?

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

Which city has the most biodiesel testing labs?

Houston leads with 3 company records, followed by Vancouver (2) and Ada (1).

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 166 professional contacts with verified work emails tracked across these 28 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.