Company lists · Data refreshed September 2026
Top 25 Gas utility inspection providers based in the United States
RevenueBase identified 228 gas utility inspection providers headquartered in the United States as of September 2026 and tracks 6,062 professional contacts across them, including 1,484 with verified work emails. Houston is the largest hub.
This list covers gas utility inspection providers 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.
The 25 largest gas utility inspection providers based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 799 contacts → | ||||
Strong evidence “Since 1933 Heath has led the industry in the safety of natural gas utilities infrastructure through the innovative and conscientious actions of our employees.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 2 | 770 contacts → | ||||
Strong evidence “Core capabilities include: Inspection Services (Chief, CWI, NACE/AMPP, Utility, Environmental, Safety, Poly, etc), Non-Destructive Examination (Ultrasonic Testing (UT), Phased…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 3 | 352 contacts → | ||||
Indirect evidence “Southern Cross Inc.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 4 | 292 contacts → | ||||
Partial evidence “Since 2003, Hydromax USA has been a leader in advanced field services and solutions that empower utilities to make the most of their infrastructure investments.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 5 | 226 contacts → | ||||
Partial evidence “The TechCorr name is synonymous with safe, quality inspection services.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 6 | 171 contacts → | ||||
Partial evidence “Since 1987, our knowledgeable team has provided gas operations and maintenance services, gas distribution and mainline construction, electric meter services, directional drilling…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 7 | 138 contacts → | ||||
Partial evidence “The Kleinfelder Group, Inc.(“Kleinfelder”), a leading engineering, design, construction management, construction materials inspection and testing, and environmental professional…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 8 | 130 contacts → | ||||
Indirect evidence “Welcome to On & Offshore Quality Control Specialists, LLC.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 9 | 125 contacts → | ||||
Partial evidence “Utility Resource Group, LLC (URG) is a full service utility contractor, providing a variety of infrastructure service solutions to utilities and municipalities.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 10 | 119 contacts → | ||||
Partial evidence “The core of TJ Inspection has always included a unique concept that has continued to drive our company into what it is today, an inspection company ran by inspectors.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 11 | 100 contacts → | ||||
Strong evidence “Okaloosa Gas District (the District) is a natural gas utility that constructs, operates, and maintains a natural gas transmission and distribution system across a three-county…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 12 | 99 contacts → | ||||
Partial evidence “For nearly 30 years, Pro-Pipe has provided video inspection, cleaning and rehabilitation of pipelines in a variety of sizes throughout the United States.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 13 | 94 contacts → | ||||
Strong evidence “3B Inspection was founded in 2016 to provide dependable, high-quality inspection services for the oil and gas pipeline industry.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 14 | 83 contacts → | ||||
Strong evidence “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.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 15 | 77 contacts → | ||||
Partial evidence “For more than 20 years, SíEnergy has been a trusted provider of premium natural gas services to top-rated communities in Texas.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 16 | 75 contacts → | ||||
Indirect evidence “At Canyon, we take pride in our service to our customers and our communities.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 17 | 73 contacts → | ||||
Strong evidence “C&L Inspection provides construction inspection for gas distribution, gas transmission, electric utility, and fiber optic utility programs.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 18 | 66 contacts → | ||||
Partial evidence “Pipeline inspection division of Legacy Safety & Consulting LLC.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 19 | 62 contacts → | ||||
Strong evidence “Shäctee Engineering, LLC is a woman owned engineering design firm specializing in natural gas pipeline design and inspection for local distribution utility companies.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 20 | 57 contacts → | ||||
Partial evidence “KGM has been providing products and services to the Natural Gas industry for more than 40 years.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 21 | 56 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 22 | 52 contacts → | ||||
Strong evidence “Skoda Contracting is a New Jersey based utility contractor servicing natural gas distribution companies in New Jersey, Pennsylvania, Delaware, Maryland, Washington D.C, and…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 23 | 52 contacts → | ||||
Partial evidence “3i International Inspecting, Inc, is a family-owned and Women's Business Enterprise (WBE) certified inspection business.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 24 | 50 contacts → | ||||
Partial evidence “Clear Path Utility Solutions, a Celerity company, provides independent, boots on the ground field oversight that helps utilities improve execution, validate quality, reduce risk…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 25 | 49 contacts → | ||||
Partial evidence “Utility Technologies International was established in 1992 to provide management, engineering, design, construction, operations, maintenance and training services to the natural…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
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: gas utility inspection providers. 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 gas utility inspection providers.
- Partial evidence
- Its own public description names part of gas utility inspection providers, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name gas utility inspection providers. 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 228 gas utility inspection providers based in the United States
See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 1,484 reachable decision-makers.
Free signup · no credit card
Gas utility inspection providers based in the United States at a glance
As of Sep 20, 2026Companies by employee count
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 228 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 gas utility inspection providers, 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 “gas utility inspection providers”. 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 gas utility inspection providers), 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 gas utility inspection providers, 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, 1,484 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 gas utility inspection providers, 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 gas utility inspection providers are there based in the United States?
RevenueBase identified 228 gas utility inspection providers 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?
HEATH, headquartered in Houston, tops this list with the largest team on record.
Which city has the most gas utility inspection providers?
Houston leads with 14 headquartered companies, followed by Midland (5) and Tulsa (5).
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 1,484 verified decision-maker contacts tracked across these 228 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.
Ready to reach these companies? Verified emails and direct dials for all 228 gas utility inspection providers based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Gas utility inspection providers by geography
- Gas utility inspection providers based in Australia
- Gas utility inspection providers based in Brazil
- Gas utility inspection providers based in Canada
- Gas utility inspection providers based in India
- Gas utility inspection providers based in Italy
- Gas utility inspection providers based in the United Kingdom
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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Gas utility inspection providers based in Australia
- Gas utility inspection providers based in Brazil
- Gas utility inspection providers based in Canada
- Gas utility inspection providers based in India
- Gas utility inspection providers based in Italy
- Gas utility inspection providers based in the United Kingdom