Company lists · Data refreshed October 2026

Top 25 Natural gas pipeline product certification & testing services based in the United States

RevenueBase identified 91 company matches for natural gas pipeline product certification & testing services associated with the United States as of October 2026 and tracks 6,163 professional contacts across them, including 2,261 with verified work emails. Houston is the largest hub.

This list covers company matches for natural gas pipeline product certification & 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 October 28, 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 Oct 28, 2026 How this list was built
91Companies
6,163Contacts tracked
2,261Verified emails
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The 25 largest natural gas pipeline product certification & testing services based in the United States

Ranked by team size
Top 25 of 91 company matches for natural gas pipeline product certification & testing services based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 28, 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 matchCranbury, NJ, United StatesHQ recorded Oct 28, 20265,001-10,0003,621 contacts →

Exact match

“The AmSpec Group has been relied upon in the testing, inspection, and certification (TIC) sector for several decades.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
2Exact matchBoxborough, MA, United StatesHQ recorded Oct 28, 2026501-1,000743 contacts →

Exact match

“TÜV Rheinland is a world leader in testing, inspection and certification services for a wide variety of industries.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
3Exact matchArlington Heights, IL, United StatesHQ recorded Oct 28, 202610001+275 contacts →

Exact match

“Market Access.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
4Exact matchSouth Plainfield, NJ, United StatesHQ recorded Oct 28, 2026201-500120 contacts →

Exact match

“AEIS, LLC is a testing, inspection, and certification (TIC) agency that increases quality and safety outcomes for major infrastructure.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
5Exact matchFort Worth, TX, United StatesHQ recorded Oct 28, 2026201-500112 contacts →

Exact match

“3B Inspection was founded in 2016 to provide dependable, high-quality inspection services for the oil and gas pipeline industry.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
6Exact matchBrea, CA, United StatesHQ recorded Oct 28, 2026201-50099 contacts →

Exact match

“ICC Evaluation Service (ICC-ES) is a certification body that is a subsidiary of the International Code Council and is accredited by the ANSI National National Accreditation Board…”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
7Exact matchOklahoma City, OK, United StatesHQ recorded Oct 28, 202651-20098 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
8Exact matchHouston, TX, United StatesHQ recorded Oct 28, 202651-20088 contacts →

Exact match

“JP services is the leading provider asset integrity solutions for new and certification projects in the Midstream, Downstream, and Industrial end markets Our Enterprise Offering…”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
9Exact matchBelle Chasse, LA, United StatesHQ recorded Oct 28, 202611-5079 contacts →

Exact match

“Based in Belle Chasse, LA, with a satellite location in Houma, LA, Tailing International, LLC provides 3rd party inspection and construction management to the oil and gas industry.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
10Exact matchAlbany, NY, United StatesHQ recorded Oct 28, 2026n/a78 contacts →

Exact match

“IMPORTANT UPDATE - As you know, we are now part of UL.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
11Exact matchHouston, TX, United StatesHQ recorded Oct 28, 202651-20075 contacts →

Exact match

“ITI International is the industry leader in line pipe quality assurance services.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
12Exact matchNew Mexico, TX, United StatesHQ recorded Oct 28, 2026201-50064 contacts →

Exact match

“Pipeline inspection division of Legacy Safety & Consulting LLC.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
13Exact matchCanonsburg, PA, United StatesHQ recorded Oct 28, 202651-20042 contacts →

Exact match

“As of 9/1/2018 we have officially changed our name to Synergy Inspections.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
14Exact matchMidland, TX, United StatesHQ recorded Oct 28, 202651-20036 contacts →

Exact match

“At J&J Pressure Management we take your high pressure iron business seriously.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
15Exact matchDennison, OH, United StatesHQ recorded Oct 28, 202611-5024 contacts →

Exact match

“At Tank Services Co.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
16Exact matchCottage Grove, WI, United StatesHQ recorded Oct 28, 202651-20023 contacts →

Exact match

“PFS TECO is now an NFPA Global Solutions company.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
17Exact matchWilson, NC, United StatesHQ recorded Oct 28, 202611-5023 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
18Exact matchHouston, TX, United StatesHQ recorded Oct 28, 202611-5022 contacts →

Exact match

“At EnServ Solutions, we offer a wide variety of services to aid operators in maintaining compliance with 49 CFR 192 and 195 regulations as well as various state partners.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
19Exact matchNew Cumberland, PA, United StatesHQ recorded Oct 28, 202611-5019 contacts →

Exact match

“Keystone was founded as a National Fenestration Rating Council (NFRC) licensed Inspection Agency in 1998 by Former President, Marcia Falke, building on her more than 25 years…”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
20Exact matchFort Worth, TX, United StatesHQ recorded Oct 28, 202611-5018 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 · Oct 28, 2026 · View company records in RevenueBase
21Exact matchSacramento, CA, United StatesHQ recorded Oct 28, 202611-5016 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
22Exact matchKrum, TX, United StatesHQ recorded Oct 28, 202611-5014 contacts →

Exact match

“ARC Inspection Services, LLC, provides Non-Destructive Examination, Welder Testing services and 3rd Party Inspectors for the pipeline and heavy industrial market.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
23Exact matchVilla Rica, GA, United StatesHQ recorded Oct 28, 202611-5013 contacts →

Exact match

“EMGS, Inc, Environmental & Medical Gas Services (formerly Fluid Engineering Co, Inc.), began as a sole proprietorship in October 1984 and was incorporated in July 1989.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
24Exact matchAnaheim, CA, United StatesHQ recorded Oct 28, 2026501-1,00013 contacts →

Exact match

“Be it testing, inspections, certifications or supply chain solutions, the experienced engineers and specialized technicians of NTS stand ready to make your project a success.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
25Exact matchHouma, LA, United StatesHQ recorded Oct 28, 202611-5010 contacts →

Exact match

“Partek Laboratories Inc has the largest and most technologically advanced metallurgical testing labs and welder certification facilities along the Gulf Coast.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase

Showing 25 of 91 natural gas pipeline product certification & testing services based in the United States

See the full list, filter by size, metro and specialty, and access 2,261 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Natural gas pipeline product certification & testing services based in the United States at a glance

As of Oct 28, 2026
36.7%Verified-email coverage
67.7Average contacts per company
11-50Median size (employees)
8.8%Largest-city concentration · Houston
Oct 28, 2026Page data refreshed

Companies by employee count

1-10
32
11-50
35
51-200
10
201-500
6
501-1,000
3
1,001-5,000
1
5,001-10,000
1
10001+
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 91 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 “natural gas pipeline product certification & 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 2,261 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 October 28, 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 “natural gas pipeline product certification & testing services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many natural gas pipeline product certification & testing services are there based in the United States?

RevenueBase identified 91 company matches for natural gas pipeline product certification & testing services associated with the United States as of October 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?

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

Which city has the most natural gas pipeline product certification & testing services?

Houston leads with 8 company records, followed by Midland (3) and Odessa (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 2,261 professional contacts with verified work emails tracked across these 91 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 October 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 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.