Company lists · Data refreshed November 2026

Top 25 Hazardous location wiring specialists worldwide

RevenueBase identified 4,612 company matches for hazardous location wiring specialists worldwide as of November 2026 and tracks 37,271 professional contacts across them, including 9,677 with verified work emails. The United States is the largest market and Houston the largest hub.

This list covers company matches for hazardous location wiring specialists 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 hazardous location wiring specialists 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
4,612Companies
37,271Contacts tracked
9,677Verified emails
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The 25 largest hazardous location wiring specialists worldwide

Ranked by team size
Top 25 of 4,612 company matches for hazardous location wiring specialists 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 matchLong Beach, CA, United StatesHQ recorded Nov 6, 2026n/a787 contacts →

Exact match

“WELCOME TO OUR WEBSITE!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchLive Oak, TX, United StatesHQ recorded Nov 6, 2026501-1,000632 contacts →

Exact match

“Since 1923, Alterman has provided electrical construction on many of San Antonio and Austin's most impressive landmarks and contemporary structures.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchSanta Fe Springs, CA, United StatesHQ recorded Nov 6, 20261,001-5,000595 contacts →

Exact match

“Founded in 1990, CSI has become a leader in highly technical and innovative electrical design and construction.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchBrabrand, DenmarkHQ recorded Nov 6, 20261,001-5,000544 contacts →

Exact match

“EL:CON is a solid, nationwide electrical installation company – both in regards to competences and economy.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchValdosta, GA, United StatesHQ recorded Nov 6, 20261,001-5,000494 contacts →

Exact match

“Ace Electric is a family-owned/operated electrical contractor performing safe and high-quality work for clients throughout the United States.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchMableton, GA, United StatesHQ recorded Nov 6, 2026501-1,000483 contacts →

Exact match

“Inglett & Stubbs LLC is a recognized leader in the electrical construction industry today.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchSanford, FL, United StatesHQ recorded Nov 6, 20261,001-5,000415 contacts →

Exact match

“Strada Services is a full service electrical, security, and air conditioning contracting company servicing residential, commercial, and industrial customers in Florida and in the…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchSan Antonio, TX, United StatesHQ recorded Nov 6, 20261,001-5,000355 contacts →

Exact match

“Since our founding in 1966, Big State Electric Ltd.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchTempe, ID, United StatesHQ recorded Nov 6, 2026501-1,000305 contacts →

Exact match

“We are more than an Electrical Contractor…We’re Your Partner As employee-owners we build your project as if it were our own.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchAlbuquerque, AZ, United StatesHQ recorded Nov 6, 20261,001-5,000261 contacts →

Exact match

“After serving clients for over 60 years, we are more than just a company – we are a service business.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchVentura, CA, United StatesHQ recorded Nov 6, 2026501-1,000242 contacts →

Exact match

“Taft Electric Company has been a proud member of NECA and the IBEW, serving the construction industry for over 75 years.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchBuford, GA, IndiaHQ recorded Nov 6, 202651-200232 contacts →

Exact match

“Phillips Electrical / Mechanical is an electrical and mechanical contracting company based in Buford, Georgia.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchElgin, IL, United StatesHQ recorded Nov 6, 2026201-500226 contacts →

Exact match

“MKD Electric is one of the Midwest’s largest full-service merit shop industrial electrical contractors, specializing in instrumentation and control systems integration.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchStirling, United KingdomHQ recorded Nov 6, 2026201-500225 contacts →

Exact match

“Dron & Dickson are specialists in integrated supply, installation and maintenance of harsh & hazardous area electrical equipment.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchEverett, United StatesHQ recorded Nov 6, 2026201-500222 contacts →

Exact match

“As a full service electrical contractor, Valley offers our expertise in a multitude of ways to ensure a quality product.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchEagle Farm, AustraliaHQ recorded Nov 6, 2026201-500212 contacts →

Exact match

“PHE Group contracts to provide a range of electrical services throughout Australia and overseas.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchArlington Heights, IL, United StatesHQ recorded Nov 6, 2026501-1,000198 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchPriolo Gargallo, ItalyHQ recorded Nov 6, 2026201-500197 contacts →

Exact match

“COEMI was established in 1974 as part of the Firm Prestigiacomo, which had already been operating for a long time in the business of maintaining electrical systems.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchChannelview, TX, United StatesHQ recorded Nov 6, 2026201-500179 contacts →

Exact match

“RUS Industrial, formerly known as Rig-Up Services, is a turn-key provider of electrical, instrumentation and fabrication products & services for industrial, oilfield & energy…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchBurnaby, BC, CanadaHQ recorded Nov 6, 2026201-500167 contacts →

Exact match

“Established by William Mott in 1930, Mott Electric is one of the oldest and largest electrical contracting companies in the Lower Mainland of British Columbia.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchAustin, TX, United StatesHQ recorded Nov 6, 2026201-500154 contacts →

Exact match

“Schmidt Electric has made its mark on the Austin marketplace by providing superior installation, service and support to all its clients.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchMilwaukee, WI, United StatesHQ recorded Nov 6, 202651-200154 contacts →

Exact match

“At Current Electric, we’re all about illuminating and energizing the greater Milwaukee and southeast Wisconsin communities.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchLittleton, CO, United StatesHQ recorded Nov 6, 2026201-500149 contacts →

Exact match

“Greiner Electric is a full-service licensed and insured electrical contractor capable of handling all of your electrical needs throughout Colorado and Wyoming.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchPhoenix, AZ, United StatesHQ recorded Nov 6, 2026201-500141 contacts →

Exact match

“Founded in 2003, K2 Electric is a commercial and industrial electrical contractor headquartered in Phoenix, Arizona, with a growing presence in Tucson.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchAtlanta, GA, United StatesHQ recorded Nov 6, 2026201-500137 contacts →

Exact match

“White Electrical is a full service industrial electrical contractor supplying many different industries including: automotive, food/beverage, power, chemical, pulp/paper…”

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

Showing 25 of 4,612 hazardous location wiring specialists worldwide

See the full list, filter by size, metro and specialty, and access 9,677 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Hazardous location wiring specialists worldwide at a glance

As of Nov 6, 2026
26.0%Verified-email coverage
8.1Average contacts per company
1-10Median size (employees)
0.6%Largest-city concentration · Houston
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
2,365
11-50
1,575
51-200
439
201-500
87
501-1,000
16
1,001-5,000
11

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 hazardous location wiring specialists are linked below.
What qualifies
Company records worldwide whose business descriptions match “hazardous location wiring specialists” 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 9,677 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.

Hazardous location wiring specialists by location

17 lists · largest first

Every Hazardous location wiring specialists 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 “hazardous location wiring specialists”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many hazardous location wiring specialists are there worldwide?

RevenueBase identified 4,612 company matches for hazardous location wiring specialists 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?

Elec-Tech Electrical Contractors tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most hazardous location wiring specialists?

The United States leads with 1,623 companies, followed by the United Kingdom (568) and Canada (257). Every hazardous location wiring specialists list by country and city is linked on this page.

Which city has the most hazardous location wiring specialists?

Houston leads with 26 company records, followed by London (26) and New York (19).

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 9,677 professional contacts with verified work emails tracked across these 4,612 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.