Company lists · Data refreshed November 2026

Top 25 Electrical hazard assessment firms worldwide

RevenueBase identified 4,724 company matches for electrical hazard assessment firms worldwide as of November 2026 and tracks 25,341 professional contacts across them, including 4,957 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for electrical hazard assessment firms worldwide, 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 November 6, 2026. Country and city lists for electrical hazard assessment firms follow the table.

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 Nov 6, 2026 How this list was built
4,724Companies
25,341Contacts tracked
4,957Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest electrical hazard assessment firms worldwide

Ranked by team size
Top 25 of 4,724 company matches for electrical hazard assessment firms worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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 matchMaryland Heights, MI, United StatesHQ recorded Nov 6, 2026501-1,000678 contacts →

Exact match

“Electric Power Systems is an independent electrical testing & engineering organization.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchAreal, BrazilHQ recorded Nov 6, 2026501-1,000509 contacts →

Exact match

“A STN EMPREENDIMENTOS E CONSTRUÇÕES atua há mais de 30 anos nas áreas de engenharia elétrica, de eletromecânica e de engenharia civil em todo território nacional.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchWesterville, SC, United StatesHQ recorded Nov 6, 2026201-500270 contacts →

Exact match

“In business since 1971, Electrical Reliability Services, Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchCanton, OH, United StatesHQ recorded Nov 6, 2026201-500203 contacts →

Exact match

“Hilscher-Clarke Electric Company is a full service electrical contractor, with more than 100 years experience in the commercial, industrial, and residential markets.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchHouston, WI, United StatesHQ recorded Nov 6, 20265,001-10,000187 contacts →

Exact match

“For over six decades, our locally rooted electrical contractors have delivered solutions grounded in integrity, safety, cost-effectiveness, and uncompromising workmanship.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchSheffield, United KingdomHQ recorded Nov 6, 202651-200147 contacts →

Exact match

“Founded in 2010, Guardian Electrical Compliance Ltd have become the market leaders in terms of Duty Holder guidance, technical & legislative support, site delivery and after sales…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchBagneux, FranceHQ recorded Nov 6, 202651-200137 contacts →

Exact match

“EUROPEAN LEADER IN ELECTRICAL HAZARD PROTECTION AND PREVENTION EQUIPMENT Created in 1919, CATU firstly developed the manufacturing of equipment for electrical transmission &…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchUnited StatesHQ recorded Nov 6, 2026n/a109 contacts →

Exact match

“Unparalleled Service & Masterful Craftmanship (USMC) A Leader in Customer Service and Satisfaction Since Are you in need of expert Residential or Commercial Electrical services?”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchMannheim, GermanyHQ recorded Nov 6, 2026201-500105 contacts →

Exact match

“Die DPG ist der innovative Dienstleister für hochwertige elektrische und nichtelektrische Betriebssicherheitsprüfungen.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchChile, ColombiaHQ recorded Nov 6, 202651-200101 contacts →

Exact match

“En GERS realizamos estudios de sistemas eléctricos, diseño, interventorías, pruebas, puesta en servicio de proyectos para electrificadoras, la industria y el comercio.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchSavage, MN, United StatesHQ recorded Nov 6, 202651-20099 contacts →

Exact match

“Master Electric is a full service electrical contractor servicing the upper mid-west since 1973, providing commercial/industrial, multi-family, communication/data/fire/safety with…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchErkrath, GermanyHQ recorded Nov 6, 2026501-1,00098 contacts →

Exact match

“Die DPS gehört zu den führenden Technologiedienstleistern im Bereich der (elektrischen) Betriebssicherheit und dem Arbeitsschutz in der DACH Region.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchHorsham, United KingdomHQ recorded Nov 6, 2026501-1,00095 contacts →

Exact match

“With over 35 Years expertise, Sureserve Compliance Fire is an Industry leading business excelling in delivering Fire and Electrical compliance and testing services to housing…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchHolbrook, MA, United StatesHQ recorded Nov 6, 2026n/a95 contacts →

Exact match

“Specialists in Electrical Power Systems - Testing, Commissioning, Maintenance.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchFairfax, VA, United StatesHQ recorded Nov 6, 2026201-50091 contacts →

Exact match

“Perlectric powers the Washington Metropolitan area’s most demanding projects by delivering precision, reliability, and results that last.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchBogota, ColombiaHQ recorded Nov 6, 202651-20090 contacts →

Exact match

“Somos solución integral en la ejecución de pruebas a sistemas eléctricos a cualquier nivel de tensión; Ofrecemos la ejecución de una amplia gama de pruebas eléctricas, soportados…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchMedina, NY, United StatesHQ recorded Nov 6, 202611-5084 contacts →

Exact match

“Delivering Outstanding products and services for electrical power systems We specialize in performing Arc Flash Analysis of your facility and training your team to deal with this…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact match69493, GermanyHQ recorded Nov 6, 2026201-50076 contacts →

Exact match

“Die KPS Prüfservice ist bundesweit unter den marktführenden Unternehmen im Bereich elektrische Betriebsmittelprüfungen.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchMadisonville, KY, United StatesHQ recorded Nov 6, 2026501-1,00076 contacts →

Exact match

“Groves Electrical Services is a turnkey industrial and commercial electrical contractor taking projects from conception to completion nationwide.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchYumbo, ColombiaHQ recorded Nov 6, 2026201-50071 contacts →

Exact match

“Con más de 75 años de experiencia, ejecutamos la ingeniería eléctrica completa de proyectos de construcción, con foco en cumplimiento, tiempos y control de costos, para que tu…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchKansas City, MO, United StatesHQ recorded Nov 6, 202651-20067 contacts →

Exact match

“Herzig Engineering is a nationally licensed electrical engineering firm located in Kansas City, MO specializing in Electrical Safety.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchNew York, NY, United StatesHQ recorded Nov 6, 2026201-50067 contacts →

Exact match

“With a shared value of leadership development and accountability, Gilston Electric has assembled a world-class team ready to take on any construction project.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchConverse, TX, United StatesHQ recorded Nov 6, 202651-20064 contacts →

Exact match

“WELCOME Power Engineering Services is an Accredited, Full-Member of the International Electrical Testing Association (NETA), and a Registered Engineering Firm in 46 states.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchCambridge, ON, CanadaHQ recorded Nov 6, 202651-20064 contacts →

Exact match

“EPTCON Ltd.(Electrical Power and Transmission Construction) is a specialized, privately held, high voltage electrical contracting firm that provides the highest quality in…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchLanham, MD, United StatesHQ recorded Nov 6, 2026201-50063 contacts →

Exact match

“ABM Electrical Power Solutions, LLC is an electrical power engineering, testing, and maintenance company based out of 4390 Parliament Pl, Lanham, Maryland, United States.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 4,724 electrical hazard assessment firms worldwide

See the full list, filter by size, metro and specialty, and access 4,957 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Electrical hazard assessment firms worldwide at a glance

As of Nov 6, 2026
19.6%Verified-email coverage
5.4Average contacts per company
1-10Median size (employees)
1.3%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
3,090
11-50
1,184
51-200
259
201-500
36
501-1,000
10
1,001-5,000
3
5,001-10,000
1

Email recency is reported on each country list linked below.

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.
Coverage
Every country. Country and city lists for electrical hazard assessment firms are linked below.
What qualifies
Company records worldwide whose business descriptions match “electrical hazard assessment firms” 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. 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 4,957 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 November 6, 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.

Electrical hazard assessment firms by location

17 lists · largest first

Every Electrical hazard assessment firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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 “electrical hazard assessment firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many electrical hazard assessment firms are there worldwide?

RevenueBase identified 4,724 company matches for electrical hazard assessment firms worldwide as of November 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?

Electric Power Systems tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most electrical hazard assessment firms?

The United States leads with 938 companies, followed by the United Kingdom (807) and Brazil (457). Every electrical hazard assessment firms list by country and city is linked on this page.

Which city has the most electrical hazard assessment firms?

London leads with 63 company records, followed by Sao Paulo (53) and Houston (20).

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 4,957 professional contacts with verified work emails tracked across these 4,724 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 November 6, 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.