Company lists · Data refreshed September 2026

Top 25 Transmission line inspection services based in the United States

Name: Transmission line inspection services based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 22, 2026 309 companies tracked

RevenueBase identified 309 transmission line inspection services headquartered in the United States as of September 2026 and tracks 13,477 professional contacts across them, including 4,740 with verified work emails. Houston is the largest hub.

This list covers transmission line inspection services 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 22, 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 22, 2026 86% judged on-target in blind review

309Companies

13,477Contacts tracked

4,740Verified emails

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The 25 largest transmission line inspection services based in the United States

Ranked by team size

Top 25 of 309 transmission line inspection services based in the United States, ranked by team size, largest first. Data refreshed Sep 22, 2026. RevenueBase Smart Search rates how each company's information relates to transmission line inspection services: 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	Osmose	Indirect evidence	Atlanta, GA, United StatesHQ checked Sep 22, 2026	5,001-10,000	2,026 contacts →
	Indirect evidence “We are field technicians, professional engineers, wood scientists, and steel corrosion experts, leveraging more than 90 years of expertise to identify and solve structural issues…” Source: RevenueBase Database · checked Sep 22, 2026
2	Tulsa Inspection Resources, LLC	Partial evidence	Tulsa, OK, United StatesHQ checked Sep 22, 2026	1,001-5,000	770 contacts →
	Partial 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 22, 2026
3	Tower Engineering Professionals	Indirect evidence	Raleigh, NC, United StatesHQ checked Sep 22, 2026	1,001-5,000	707 contacts →
	Indirect evidence “Tower Engineer Professionals was founded in 1997 by two tower-climbing engineers.” Source: RevenueBase Database · checked Sep 22, 2026
4	Dycom Industries, INC	Indirect evidence	West Palm Beach, FL, United StatesHQ checked Sep 22, 2026	10001+	662 contacts →
	Indirect evidence “Dycom (NYSE: DY) is on a mission to connect America.” Source: RevenueBase Database · checked Sep 22, 2026
5	PAR Electrical Contractors, LLC	Strong evidence	Kansas City, MO, United StatesHQ checked Sep 22, 2026	1,001-5,000	606 contacts →
	Strong evidence “PAR, a Quanta Services company, offers a full range of construction services for substations, overhead and underground distribution and transmission lines, engineering, design…” Source: RevenueBase Database · checked Sep 22, 2026
6	Irby Construction Company	Strong evidence	Richland, MS, United StatesHQ checked Sep 22, 2026	501-1,000	559 contacts →
	Strong evidence “Irby Construction Company, a wholly owned subsidiary of Quanta Services, Inc, excels in the processes required for major transmission, substation and distribution line…” Source: RevenueBase Database · checked Sep 22, 2026
7	Techserv Engineering	Indirect evidence	Tyler, TX, United StatesHQ checked Sep 22, 2026	501-1,000	448 contacts →
	Indirect evidence “TechServ Consulting and Training, Ltd was established in November 1992.” Source: RevenueBase Database · checked Sep 22, 2026
8	Versa Integrity Group, INC	Indirect evidence	Tomball, TX, United StatesHQ checked Sep 22, 2026	5,001-10,000	356 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 22, 2026
9	Wilson Construction Company	Indirect evidence	Canby, OR, United StatesHQ checked Sep 22, 2026	201-500	319 contacts →
	Indirect evidence “Wilson specializes in electric utility construction.” Source: RevenueBase Database · checked Sep 22, 2026
10	Asplundh Engineering Services	Indirect evidence	Willow Grove, PA, United StatesHQ checked Sep 22, 2026	1,001-5,000	284 contacts →
	Indirect evidence “Asplundh Engineering Services leverages more than 100 years of experience to provide a superior, single-point solution for engineering, design and testing services to…” Source: RevenueBase Database · checked Sep 22, 2026
11	Brink Constructors, INC	Indirect evidence	Rapid City, SD, United StatesHQ checked Sep 22, 2026	501-1,000	182 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 22, 2026
12	Entegra	Partial evidence	Indianapolis, IN, United StatesHQ checked Sep 22, 2026	51-200	175 contacts →
	Partial evidence “ENTEGRA® is the pioneer and sole provider of true Ultra-High Resolution (UHR) Magnetic Flux Leakage (MFL) inline inspection systems for pipeline integrity assessment.” Source: RevenueBase Database · checked Sep 22, 2026
13	EXO	Partial evidence	Magnolia, TX, United StatesHQ checked Sep 22, 2026	51-200	167 contacts →
	Partial evidence “We are an innovative supplier of infrastructure inspection, engineering, and field repair and reinforcement services for the global electrical utility, renewables, lighting, and…” Source: RevenueBase Database · checked Sep 22, 2026
14	Kent Power	Indirect evidence	Rockford, MI, United StatesHQ checked Sep 22, 2026	501-1,000	154 contacts →
	Indirect evidence “Kent Power believes in doing things the right way - the safe way, the first time around.” Source: RevenueBase Database · checked Sep 22, 2026
15	Kenmor Electric Company	Indirect evidence	Houston, TX, United StatesHQ checked Sep 22, 2026	201-500	152 contacts →
	Indirect evidence “KenMor Electric is recognized for its service and craftsmanship.” Source: RevenueBase Database · checked Sep 22, 2026
16	Probst Electric INC	Strong evidence	Heber, UT, United StatesHQ checked Sep 22, 2026	201-500	144 contacts →
	Strong evidence “Probst specializes in high-voltage transmission line construction, along with design-build, and maintenance services for both the public and private sector utilities.” Source: RevenueBase Database · checked Sep 22, 2026
17	Pickett And Associates, LLC	Partial evidence	Tampa, FL, United StatesHQ checked Sep 22, 2026	51-200	135 contacts →
	Partial evidence “We provide transmission and substation design, project management, surveying, aerial mapping, and LiDAR services to clients throughout the US and Caribbean.” Source: RevenueBase Database · checked Sep 22, 2026
18	The Townsend Company, LLC	Partial evidence	Muncie, IN, United StatesHQ checked Sep 22, 2026	1,001-5,000	128 contacts →
	Partial evidence “Townsend provides a wide range of services, expertise, and innovative technology to its core markets - vegetation management, line clearance and electric utility line construction.” Source: RevenueBase Database · checked Sep 22, 2026
19	Delta Field Services, LLC	Indirect evidence	Memphis, TN, United StatesHQ checked Sep 22, 2026	201-500	127 contacts →
	Indirect evidence “Delta Field Services is a multi-faceted, energy and technology infrastructure partner, built from the field up.” Source: RevenueBase Database · checked Sep 22, 2026
20	Volt Power, LLC	Indirect evidence	Atlanta, GA, United StatesHQ checked Sep 22, 2026	1,001-5,000	124 contacts →
	Indirect evidence “Volt Power is a top provider of overhead and underground utility services.” Source: RevenueBase Database · checked Sep 22, 2026
21	Mi-Tech Services, INC	Partial evidence	Brownsville, WI, United StatesHQ checked Sep 22, 2026	51-200	122 contacts →
	Partial evidence “Mi-Tech is a leading supplier of services to the utility industry including wood and steel utility pole inspection, remedial treatment and reinforcement, utility pole loading…” Source: RevenueBase Database · checked Sep 22, 2026
22	Mastec Power Delivery	Strong evidence	Coral Gables, FL, United StatesHQ checked Sep 22, 2026	201-500	110 contacts →
	Strong evidence “As one of the nation's leading electric transmission line construction companies, MasTec Power Delivery companies engineer and construct efficient and reliable electrical…” Source: RevenueBase Database · checked Sep 22, 2026
23	Sourceone Corp	Indirect evidence	Roswell, GA, United StatesHQ checked Sep 22, 2026	201-500	110 contacts →
	Indirect evidence “Founded in SourceOne Corporation was acquired by Ms.” Source: RevenueBase Database · checked Sep 22, 2026
24	Power Line Services, INC	Partial evidence	Fort Worth, TX, United StatesHQ checked Sep 22, 2026	201-500	106 contacts →
	Partial evidence “Power Line Services is now part of Primoris Services Corporation.” Source: RevenueBase Database · checked Sep 22, 2026
25	The Hydaker-Wheatlake Company	Indirect evidence	Reed City, MI, United StatesHQ checked Sep 22, 2026	501-1,000	103 contacts →
	Indirect evidence “PROVIDING THE UTILITY EXPERTISE YOU NEED, EVERY SINGLE DAY.” Source: RevenueBase Database · checked Sep 22, 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: transmission line inspection services. 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 transmission line inspection services.
Partial evidence: Its own public description names part of transmission line inspection services, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name transmission line inspection services. 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 309 transmission line inspection services based in the United States

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Transmission line inspection services based in the United States at a glance

As of Sep 22, 2026

35.2%Verified-email coverage

43.6Average contacts per company

11-50Median size (employees)

5.2%Largest-city concentration · Houston

Sep 22, 2026Page data refreshed

Companies by employee count

1-10

11-50

102

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

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 309 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 transmission line inspection services, 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 “transmission line inspection services”. 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 transmission line inspection services), 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 transmission line inspection services, 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, 4,740 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 22, 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 transmission line inspection services, 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 transmission line inspection services are there based in the United States?

RevenueBase identified 309 transmission line inspection services 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?

Osmose, headquartered in Atlanta, tops this list with the largest team on record.

Which city has the most transmission line inspection services?

Houston leads with 16 headquartered companies, followed by Birmingham (4) and Madison (4).

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 4,740 verified decision-maker contacts tracked across these 309 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 22, 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.