Company lists · Data refreshed September 2026

Top 25 Petroleum testing equipment manufacturers based in the United States

RevenueBase identified 68 company matches for petroleum testing equipment manufacturers associated with the United States as of September 2026 and tracks 1,452 professional contacts across them, including 479 with verified work emails. Houston is the largest hub.

This list covers company matches for petroleum testing equipment manufacturers 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 30, 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 30, 2026 How this list was built
68Companies
1,452Contacts tracked
479Verified emails
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The 25 largest petroleum testing equipment manufacturers based in the United States

Ranked by team size
Top 25 of 68 company matches for petroleum testing equipment manufacturers based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 30, 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 matchAustin, TX, United StatesHQ recorded Sep 30, 2026201-500232 contacts →

Exact match

“Tanknology is the world's largest provider of tank testing and environmental compliance services for petroleum systems.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
2Exact matchEdmond, OK, United StatesHQ recorded Sep 30, 2026n/a136 contacts →

Exact match

“VK ENTERPRISES is a company based out of 3900 S Broadway, Edmond, OK, United States.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
3Exact matchState College, PA, United StatesHQ recorded Sep 30, 202651-20079 contacts →

Exact match

“Cannon is a global leader in viscosity and physical property measurement, trusted since 1938 for precise, reliable instrumentation and exceptional service.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
4Exact matchHoltsville, NY, United StatesHQ recorded Sep 30, 202651-20072 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
5Exact matchPewaukee, WI, United StatesHQ recorded Sep 30, 202651-20068 contacts →

Exact match

“CFR Engines Inc.(CFR®) is a leading, global manufacturer of fuel rating test instruments and equipment.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
6Exact matchHouston, TX, United StatesHQ recorded Sep 30, 202651-20064 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 · Sep 30, 2026 · View company records in RevenueBase
7Exact matchDubuque, IA, United StatesHQ recorded Sep 30, 202651-20044 contacts →

Exact match

“Established in 1855, Morrison Bros.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
8Exact matchMoline, IL, United StatesHQ recorded Sep 30, 202651-20041 contacts →

Exact match

“Since 1899, Parr Instrument Company has been designing, manufacturing, and selling high quality laboratory instruments and apparatus for conducting chemical reactions and tests…”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
9Exact matchChicago, IL, United StatesHQ recorded Sep 30, 202611-5039 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
10Exact matchSeminole, OK, United StatesHQ recorded Sep 30, 202651-20036 contacts →

Exact match

“Cochran Chemical Company is a strong independent corporation serving the petroleum industry since 1959.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
11Exact matchHumble, TX, United StatesHQ recorded Sep 30, 202611-5031 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
12Exact matchPasadena, TX, United StatesHQ recorded Sep 30, 202651-20031 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
13Exact matchWest Memphis, AR, United StatesHQ recorded Sep 30, 202651-20028 contacts →

Exact match

“For nearly 100 years, Newberry Tanks has served the needs of the petroleum distribution industry.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
14Exact matchHouston, TX, United StatesHQ recorded Sep 30, 202611-5028 contacts →

Exact match

“For over 30 years KAM CONTROLS has served the oil & petroleum industry with measurement solutions for oil water detection, water-cut measurement, custody transfer, tank…”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
15Exact matchThorofare, NJ, United StatesHQ recorded Sep 30, 202651-20023 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 · Sep 30, 2026 · View company records in RevenueBase
16Exact matchNoblesville, IN, United StatesHQ recorded Sep 30, 202611-5023 contacts →

Exact match

“Manufacturer of laboratory testing equipment for the Pharmaceutical, Health & Nutritional, Food, Gas & Oil and Cosmetic industries”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
17Exact matchWest Berlin, NJ, United StatesHQ recorded Sep 30, 202611-5019 contacts →

Exact match

“Thwing-Albert Instrument Company is one of the nation's leading manufacturers of advanced testing instrumentation.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
18Exact matchSugar Grove, IL, United StatesHQ recorded Sep 30, 202611-5018 contacts →

Exact match

“Leading Manufacturer of Tribology and Petroleum Test Equipment for over 80 years - Contract Petroleum Testing Lab - Friction and Wear and Abrasion Consulting Services -…”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
19Exact matchFort Worth, TX, United StatesHQ recorded Sep 30, 202611-5017 contacts →

Exact match

“Alpine Polytech is an ISO/IEC 17025:2017 Accredited Lab providing materials testing and consulting services to the upstream Oil & Gas market, as well as the downstream Chemical…”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
20Exact matchHouston, TX, United StatesHQ recorded Sep 30, 202611-5013 contacts →

Exact match

“Grace Instrument Company is a manufacturer of analytical instruments, such as viscometers, rheometers, and core flood testers that are primarily used by oil and gas companies and…”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
21Exact matchHouston, TX, United StatesHQ recorded Sep 30, 202611-509 contacts →

Exact match

“L-K Industries: Setting the standard in the manufacturing of high quality products for the TIC industry since 1930 LK Industries is a Houston based manufacturer of high-quality…”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
22Exact matchSugar Grove, IL, United StatesHQ recorded Sep 30, 202611-508 contacts →

Exact match

“Compass is your expert guide and single source for reliable fuels, lubricants and materials testing equipment in North America.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
23Exact matchWoodinville, WA, United StatesHQ recorded Sep 30, 202611-508 contacts →

Exact match

“Since 1992, Northwest Tank has proudly served oil companies large and small throughout the west with the highest quality petroleum systems testing and compliance solutions…”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
24Exact matchVenice, FL, United StatesHQ recorded Sep 30, 202611-507 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
25Exact matchBakersfield, CA, United StatesHQ recorded Sep 30, 202611-507 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase

Showing 25 of 68 petroleum testing equipment manufacturers based in the United States

See the full list, filter by size, metro and specialty, and access 479 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Petroleum testing equipment manufacturers based in the United States at a glance

As of Sep 30, 2026
33.0%Verified-email coverage
21.4Average contacts per company
11-50Median size (employees)
11.8%Largest-city concentration · Houston
Sep 30, 2026Page data refreshed

Companies by employee count

1-10
16
11-50
33
51-200
16
201-500
3

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 68 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 “petroleum testing equipment manufacturers” 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 479 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 30, 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 “petroleum testing equipment manufacturers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many petroleum testing equipment manufacturers are there based in the United States?

RevenueBase identified 68 company matches for petroleum testing equipment manufacturers 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?

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

Which city has the most petroleum testing equipment manufacturers?

Houston leads with 8 company records, followed by Pasadena (3) and Sugar Grove (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 479 professional contacts with verified work emails tracked across these 68 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 30, 2026.

Ready to reach these companies? Verified emails and direct dials for all 68 petroleum testing equipment manufacturers based in the United States. Start with a free account, no credit card.

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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.