Company lists · Data refreshed September 2026
Top 25 Line maintenance service providers worldwide
RevenueBase identified 2,762 line maintenance service providers worldwide as of September 2026 and tracks 61,283 professional contacts across them, including 14,230 with verified work emails. Brazil is the largest market and Sao Paulo the largest hub.
This list covers line maintenance service providers worldwide, 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. Country and city lists for line maintenance service providers follow the table.
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 line maintenance service providers worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 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, 2026Thanks. The Data Team will review it. | |||||
| 2 | 1,818 contacts → | ||||
Indirect evidence “A Engelmig foi fundada em 1985 com o objetivo de prestar serviços de engenharia em redes de distribuição de energia elétrica.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 3 | 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, 2026Thanks. The Data Team will review it. | |||||
| 4 | 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, 2026Thanks. The Data Team will review it. | |||||
| 5 | 1,109 contacts → | ||||
Indirect evidence “With more than 90 years’ experience in France and internationally, TSO (subsidiary of NGE) puts its expertise to work on: • rail services resumed between Oloron and Bedous • track…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 6 | 891 contacts → | ||||
Indirect evidence “Nossa História e Onde Estamos Fundada em 2007, a DPL Construções é especializada na prestação de serviços para Concessionárias de Energia Elétrica, atuando estrategicamente na…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 7 | 858 contacts → | ||||
Indirect evidence “Fundada em 1974, a Remo Engenharia, uma empresa sólida e com alto nível de especialização é hoje um dos grandes players do Brasil no segmento de energia.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 8 | 850 contacts → | ||||
Partial evidence “HERE WE ARE NAYAK is Europe's largest provider of airline-independent maintenance, active for more than 50 successful years.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 9 | 767 contacts → | ||||
Indirect evidence “Since entering the construction market in 1935, VolkerRail has become one of the UK’s leading multidisciplinary railway infrastructure contractors.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 10 | 714 contacts → | ||||
Indirect evidence “Date de création : Février 2012 Groupe : SNCF Directeur : M.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 11 | 667 contacts → | ||||
Partial evidence “LOT Aircraft Maintenance Services (LOTAMS) is a part of the capital group Polish Aviation Group.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 12 | 488 contacts → | ||||
Partial evidence “Leading global renewable energy inspection, repair and maintenance service provider for wind turbine manufacturers and wind farm owners, providing services and expertise to all…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 13 | 486 contacts → | ||||
Indirect evidence “QTS is one of the country’s leading railways contractors, founded by MD, Alan McLeish.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 14 | 460 contacts → | ||||
Indirect evidence “ISES S.A.S.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 15 | 454 contacts → | ||||
Partial evidence “SCEE Electrical is a leading and trusted national provider of specialised electrical, instrumentation, maintenance and communication services to the resources and infrastructure…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 16 | 449 contacts → | ||||
Indirect evidence “A COTESA é especialista na Engenharia de Operação & Manutenção de ativos elétricos de Geração e Transmissão de energia.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 17 | 416 contacts → | ||||
Partial evidence “Spécialiste de la maintenance industrielle depuis plus de vingt ans, Fives intervient dans le cadre de contrats à obligation de résultats pour assurer la maintenance préventive…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 18 | 412 contacts → | ||||
Indirect evidence “Quartzelec is a leading independent electrical engineering group delivering solutions and services in both UK and global markets.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 19 | 408 contacts → | ||||
Partial evidence “Allied Power is dedicated to delivering best-in-class maintenance, modifications, and project services.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 20 | 391 contacts → | ||||
Indirect evidence “CONTRATOS DE MANUTENÇÃO A Tereme oferece a seus clientes soluções de manutenção global ou parcial dos equipamentos e instalações elétricas de uma planta industrial.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 21 | 347 contacts → | ||||
Indirect evidence “Sécheron SA is focused on railway industry, and industrial segments manufacturing high power electric equipment.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 22 | 337 contacts → | ||||
Indirect evidence “SPL Powerlines UK & I is a leading multi-disciplinary infrastructure specialist, offering end-to-end delivery across both rail and energy sectors with capabilities that set us…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 23 | 337 contacts → | ||||
Indirect evidence “Com mais de 45 anos de know-how no setor elétrico, a DOLP Engenharia iniciou suas atividades em novembro de 2012, no Estado de Goiás, consolidando-se como referência em engenharia…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 24 | 332 contacts → | ||||
Indirect evidence “We are an engineering and technical services business that won’t let you down.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 25 | 327 contacts → | ||||
Indirect evidence “For almost a century, teams from Geismar have been bringing their passion and expertise to the development of rail transport.” 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: 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 2,762 line maintenance service providers worldwide
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Line maintenance service providers worldwide at a glance
As of Sep 20, 2026Companies by employee count
Email recency is reported on each country list linked below.
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.
- Coverage
- Every country. Country and city lists for line maintenance service providers are linked below.
- What qualifies
- Companies worldwide 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.
- 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, 14,230 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.
Line maintenance service providers by location
16 lists · largest firstEvery Line maintenance service providers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Line maintenance service providers based in Brazil401
- Line maintenance service providers based in the United States243
- Line maintenance service providers based in the United Kingdom163
- Line maintenance service providers based in Italy140
- Line maintenance service providers based in India130
- Line maintenance service providers based in France129
- Line maintenance service providers based in Spain99
- Line maintenance service providers based in Australia93
- Line maintenance service providers based in Mexico92
- Line maintenance service providers based in Germany81
- Line maintenance service providers based in Canada59
- Line maintenance service providers based in Chile57
- Line maintenance service providers based in Poland49
- Line maintenance service providers based in the Netherlands41
- Line maintenance service providers based in Saudi Arabia32
- Line maintenance service providers based in Switzerland31
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 worldwide?
RevenueBase identified 2,762 line maintenance service providers worldwide 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 country has the most line maintenance service providers?
Brazil leads with 401 companies, followed by the United States (243) and the United Kingdom (163). Every line maintenance service providers list by country and city is linked on this page.
Which city has the most line maintenance service providers?
Sao Paulo leads with 41 headquartered companies, followed by Lima (22) and London (17).
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 14,230 verified decision-maker contacts tracked across these 2,762 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.