Company lists · Data refreshed November 2026

Top 25 Wiring services worldwide

RevenueBase identified 21,400 company matches for wiring services worldwide as of November 2026 and tracks 119,614 professional contacts across them, including 23,968 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for wiring services 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 4, 2026. Country and city lists for wiring services 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 4, 2026 How this list was built
21,400Companies
119,614Contacts tracked
23,968Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest wiring services worldwide

Ranked by team size
Top 25 of 21,400 company matches for wiring services worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 4, 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 matchHouston, TX, United StatesHQ recorded Nov 4, 20265,001-10,0002,710 contacts →

Exact match

“IES Holdings, Inc.(formerly known as Integrated Electrical Services, Inc.) provides electrical contracting services to commercial, industrial, and residential customers in the…”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
2Exact matchLong Beach, CA, United StatesHQ recorded Nov 4, 2026n/a787 contacts →

Exact match

“WELCOME TO OUR WEBSITE!”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
3Exact matchLogan, UT, United StatesHQ recorded Nov 4, 20261,001-5,000691 contacts →

Exact match

“As one of the nation’s premier electrical contractors, we don’t just provide high-quality services.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
4Exact matchLive Oak, TX, United StatesHQ recorded Nov 4, 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 4, 2026 · View company records in RevenueBase
5Exact matchNagpur, IndiaHQ recorded Nov 4, 202651-200592 contacts →

Exact match

“Tata Consultancy Service(TCS) Plumbing / Remodeling / Repair / Maintenance of residential electrical wiring maintenance services, electrical panel maintenance & lighting…”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
6Exact matchEagan, MN, United StatesHQ recorded Nov 4, 20261,001-5,000572 contacts →

Exact match

“Hunt Electric is a national electrical design, build, and maintenance firm based in Eagan, MN.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
7Exact matchJaboticabal, BrazilHQ recorded Nov 4, 20261,001-5,000551 contacts →

Exact match

“B.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
8Exact matchBrabrand, DenmarkHQ recorded Nov 4, 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 4, 2026 · View company records in RevenueBase
9Exact matchPortland, OR, United StatesHQ recorded Nov 4, 20261,001-5,000541 contacts →

Exact match

“Our lives function on a power grid.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
10Exact matchMableton, GA, United StatesHQ recorded Nov 4, 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 4, 2026 · View company records in RevenueBase
11Exact matchSt. Louis, MO, United StatesHQ recorded Nov 4, 2026501-1,000453 contacts →

Exact match

“A full-service electrical contractor since 1902, providing capability, performance, and legendary innovation in new construction, design-build, low-voltage systems, energy…”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
12Exact matchSanford, FL, United StatesHQ recorded Nov 4, 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 4, 2026 · View company records in RevenueBase
13Exact matchEdmonton, CO, CanadaHQ recorded Nov 4, 2026201-500355 contacts →

Exact match

“Delivering confidence for over 40 years.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
14Exact matchWaco, TX, United StatesHQ recorded Nov 4, 20261,001-5,000339 contacts →

Exact match

“Residential and Commercial Services Since 1994, the professional electricians at Mr.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
15Exact matchTempe, ID, United StatesHQ recorded Nov 4, 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 4, 2026 · View company records in RevenueBase
16Exact matchItasca, IL, United StatesHQ recorded Nov 4, 2026501-1,000290 contacts →

Exact match

“Electrical and communication services including design, installation, testing, long-term service, and maintenance.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
17Exact matchGreensboro, NC, United StatesHQ recorded Nov 4, 2026501-1,000279 contacts →

Exact match

“Established in 1928, Starr Electric Company, Inc.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
18Exact matchOmaha, NE, United StatesHQ recorded Nov 4, 2026201-500249 contacts →

Exact match

“Meet Miller Miller Electric is one of the oldest and most respected electrical contractors in the state of Nebraska.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
19Exact matchProuvy, FranceHQ recorded Nov 4, 2026201-500246 contacts →

Exact match

“Hiolle Technologies vous accompagne dans l'intégration d'équipements électriques câblés et la prestation de service sur mesure Production d'équipements câblés : Nous proposons des…”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
20Exact matchVentura, CA, United StatesHQ recorded Nov 4, 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 4, 2026 · View company records in RevenueBase
21Exact matchSt. Louis, MO, United StatesHQ recorded Nov 4, 2026501-1,000241 contacts →

Exact match

“Our roots as a company flourished in St.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
22Exact matchBuford, GA, IndiaHQ recorded Nov 4, 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 4, 2026 · View company records in RevenueBase
23Exact matchElgin, IL, United StatesHQ recorded Nov 4, 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 4, 2026 · View company records in RevenueBase
24Exact matchEverett, United StatesHQ recorded Nov 4, 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 4, 2026 · View company records in RevenueBase
25Exact matchMitchell, SD, United StatesHQ recorded Nov 4, 2026201-500214 contacts →

Exact match

“Muth Electric is a premier electrical contractor with 9 locations across South Dakota and Nebraska.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase

Showing 25 of 21,400 wiring services worldwide

See the full list, filter by size, metro and specialty, and access 23,968 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Wiring services worldwide at a glance

As of Nov 4, 2026
20.0%Verified-email coverage
5.6Average contacts per company
1-10Median size (employees)
1.0%Largest-city concentration · London
Nov 4, 2026Page data refreshed

Companies by employee count

1-10
12,611
11-50
6,214
51-200
1,344
201-500
197
501-1,000
41
1,001-5,000
30
5,001-10,000
1
10001+
3

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 wiring services are linked below.
What qualifies
Company records worldwide whose business descriptions match “wiring services” 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 23,968 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 4, 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.

Wiring services by location

43 lists · largest first

Every Wiring services 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 “wiring services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many wiring services are there worldwide?

RevenueBase identified 21,400 company matches for wiring services 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?

IES Holdings tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most wiring services?

The United States leads with 5,975 companies, followed by the United Kingdom (2,948) and Australia (1,190). Every wiring services list by country and city is linked on this page.

Which city has the most wiring services?

London leads with 209 company records, followed by Houston (86) and Sao Paulo (79).

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 23,968 professional contacts with verified work emails tracked across these 21,400 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 4, 2026.

Ready to reach these companies? Verified emails and direct dials for all 21,400 wiring services worldwide. Start with a free account, no credit card.

Download this list →

Related lists

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.