Company lists · Data refreshed September 2026

Top 25 Line maintenance service providers based in the United States

Name: Line maintenance service providers based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 20, 2026 243 companies tracked

RevenueBase identified 243 line maintenance service providers headquartered in the United States as of September 2026 and tracks 10,100 professional contacts across them, including 3,426 with verified work emails. Houston is the largest hub.

This list covers line maintenance service 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.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 20, 2026 86% judged on-target in blind review

243Companies

10,100Contacts tracked

3,426Verified emails

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The 25 largest line maintenance service providers based in the United States

Ranked by team size

Top 25 of 243 line maintenance service providers based in the United States, ranked by team size, largest first. Data refreshed Sep 20, 2026. RevenueBase Smart Search rates how each company's information relates to line maintenance service providers: 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	Pearce Services	Partial evidence	Paso Robles, CA, United StatesHQ checked Sep 20, 2026	1,001-5,000	2,620 contacts →
	Partial evidence “PEARCE from CBRE is the largest national independent provider of outsourced repair, maintenance, and engineering services to critical infrastructure in the renewable energy, power…” Source: RevenueBase Database · checked Sep 20, 2026
2	Shermco Industries	Partial evidence	Irving, TX, United StatesHQ checked Sep 20, 2026	1,001-5,000	1,221 contacts →
	Partial evidence “Shermco Industries is a provider of safe, reliable testing, repair, professional training, electrical outage planning, maintenance and analysis of rotating apparatus and…” Source: RevenueBase Database · checked Sep 20, 2026
3	Mears Group, INC	Partial evidence	Englewood, CO, United StatesHQ checked Sep 20, 2026	1,001-5,000	1,143 contacts →
	Partial evidence “Mears is an industry-leading energy infrastructure solutions provider offering engineering, construction and maintenance services to the oil and natural gas, electric transmission…” Source: RevenueBase Database · checked Sep 20, 2026
4	Allied Power	Partial evidence	Baton Rouge, LA, United StatesHQ checked Sep 20, 2026	5,001-10,000	408 contacts →
	Partial evidence “Allied Power is dedicated to delivering best-in-class maintenance, modifications, and project services.” Source: RevenueBase Database · checked Sep 20, 2026
5	APM	Partial evidence	Pasadena, TX, United StatesHQ checked Sep 20, 2026	5,001-10,000	215 contacts →
	Partial evidence “Empowering the People Who Power Life Safety \| Quality \| Integrity APM has your construction and maintenance solutions.” Source: RevenueBase Database · checked Sep 20, 2026
6	Sdmyers	Partial evidence	Tallmadge, OH, United StatesHQ checked Sep 20, 2026	201-500	195 contacts →
	Partial evidence “SDMyers is the industry leader in transformer and substation maintenance and electric power system reliability.” Source: RevenueBase Database · checked Sep 20, 2026
7	STS Line Maintenance	Strong evidence	Jensen Beach, FL, United StatesHQ checked Sep 20, 2026	201-500	182 contacts →
	Strong evidence “STS Line Maintenance services commercial and regional airlines operating out of U.S.” Source: RevenueBase Database · checked Sep 20, 2026
8	EXO	Indirect evidence	Magnolia, TX, United StatesHQ checked Sep 20, 2026	51-200	167 contacts →
	Indirect 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 20, 2026
9	Future Infrastructure	Indirect evidence	Mesquite, TX, United StatesHQ checked Sep 20, 2026	1,001-5,000	165 contacts →
	Indirect evidence “Visit our website for a complete/current list of employment opportunities with Future Infrastructure!” Source: RevenueBase Database · checked Sep 20, 2026
10	Kent Power	Indirect evidence	Rockford, MI, United StatesHQ checked Sep 20, 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 20, 2026
11	C3m Power Systems	Partial evidence	Capitol Heights, MD, United StatesHQ checked Sep 20, 2026	51-200	138 contacts →
	Partial evidence “C3M Power Systems LLC self-performs the construction, rehabilitation, and maintenance of electrical systems for the transportation and infrastructure markets.” Source: RevenueBase Database · checked Sep 20, 2026
12	Electric Motor & Contracting Co., INC	Indirect evidence	Chesapeake, VA, United StatesHQ checked Sep 20, 2026	201-500	131 contacts →
	Indirect evidence “Established in 1960, Electric Motor and Contracting remains one of the largest independently owned electric motor and pump repair shops in the U.S.” Source: RevenueBase Database · checked Sep 20, 2026
13	Delta Field Services, LLC	Indirect evidence	Memphis, TN, United StatesHQ checked Sep 20, 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 20, 2026
14	Volt Power, LLC	Indirect evidence	Atlanta, GA, United StatesHQ checked Sep 20, 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 20, 2026
15	Mastec Power Delivery	Partial evidence	Coral Gables, FL, United StatesHQ checked Sep 20, 2026	201-500	110 contacts →
	Partial 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 20, 2026
16	Power Line Services, INC	Partial evidence	Fort Worth, TX, United StatesHQ checked Sep 20, 2026	201-500	106 contacts →
	Partial evidence “Power Line Services is now part of Primoris Services Corporation.” Source: RevenueBase Database · checked Sep 20, 2026
17	The Hydaker-Wheatlake Company	Indirect evidence	Reed City, MI, United StatesHQ checked Sep 20, 2026	501-1,000	103 contacts →
	Indirect evidence “PROVIDING THE UTILITY EXPERTISE YOU NEED, EVERY SINGLE DAY.” Source: RevenueBase Database · checked Sep 20, 2026
18	Quality Uptime Services	Indirect evidence	Bethel, CT, United StatesHQ checked Sep 20, 2026	51-200	97 contacts →
	Indirect evidence “Quality Uptime Services is one of the nation’s leading independent critical power service organizations.” Source: RevenueBase Database · checked Sep 20, 2026
19	Southeast Power Corporation	Strong evidence	Titusville, FL, United StatesHQ checked Sep 20, 2026	201-500	97 contacts →
	Strong evidence “Southeast Power Corporation is engaged in the construction and maintenance of power lines, substations, and the installation of fiber optic systems nationwide.” Source: RevenueBase Database · checked Sep 20, 2026
20	HOT Line Construction, INC	Indirect evidence	Brentwood, CA, United StatesHQ checked Sep 20, 2026	501-1,000	92 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 20, 2026
21	Electrical Engineering & Service Co., INC	Partial evidence	Holbrook, MA, United StatesHQ checked Sep 20, 2026	n/a	91 contacts →
	Partial evidence “Specialists in Electrical Power Systems - Testing, Commissioning, Maintenance.” Source: RevenueBase Database · checked Sep 20, 2026
22	Abco Facility Maintenance	Partial evidence	Staten Island, NY, United StatesHQ checked Sep 20, 2026	51-200	86 contacts →
	Partial evidence “ABCO Facility Maintenance has been providing Property Engineering, Preventative Maintenance, Facilities Management, and Industrial Support Services throughout New York, New…” Source: RevenueBase Database · checked Sep 20, 2026
23	LEE Electrical Construction, LLC	Indirect evidence	Aberdeen, NC, United StatesHQ checked Sep 20, 2026	501-1,000	79 contacts →
	Indirect evidence “A Quanta Services, Inc.” Source: RevenueBase Database · checked Sep 20, 2026
24	Vector Power	Indirect evidence	Plano, TX, United StatesHQ checked Sep 20, 2026	51-200	77 contacts →
	Indirect evidence “Vector Power is a quality driven service company specializing in low, medium, and high voltage electrical infrastructure, headquartered in Frisco, Texas.” Source: RevenueBase Database · checked Sep 20, 2026
25	Ward Electric Company	Indirect evidence	Longmont, CO, United StatesHQ checked Sep 20, 2026	501-1,000	77 contacts →
	Indirect evidence “Ward Electric Company is a full-service electrical contractor which has been a leading electrical service provider to utilities, industrial, commercial, and residential entities…” Source: RevenueBase Database · checked Sep 20, 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: line maintenance service 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 line maintenance service providers.
Partial evidence: Its own public description names part of line maintenance service providers, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name line maintenance service 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 243 line maintenance service providers based in the United States

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Line maintenance service providers based in the United States at a glance

As of Sep 20, 2026

33.9%Verified-email coverage

41.6Average contacts per company

11-50Median size (employees)

2.5%Largest-city concentration · Houston

Sep 20, 2026Page data refreshed

Companies by employee count

1-10

11-50

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 243 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 line maintenance service 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 “line maintenance service 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 line maintenance service 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 line maintenance service 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, 3,426 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 line maintenance service 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 line maintenance service providers are there based in the United States?

RevenueBase identified 243 line maintenance service 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?

Pearce Services, headquartered in Paso Robles, tops this list with the largest team on record.

Which city has the most line maintenance service providers?

Houston leads with 6 headquartered companies, followed by Knoxville (3) and Nashville (3).

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 3,426 verified decision-maker contacts tracked across these 243 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.

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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.