Company lists · Data refreshed October 2026

Top 25 Refinery electrical contractors worldwide

Name: Refinery electrical contractors worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 22, 2026 14,397 companies tracked

RevenueBase identified 14,397 company matches for refinery electrical contractors worldwide as of October 2026 and tracks 188,122 professional contacts across them, including 42,382 with verified work emails. The United States is the largest market and Houston the largest hub.

This list covers company matches for refinery electrical contractors 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 October 22, 2026. Country and city lists for refinery electrical contractors 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 Oct 22, 2026 How this list was built

14,397Companies

188,122Contacts tracked

42,382Verified emails

Explore this list → Free signup · no credit card · 500 free credits

The 25 largest refinery electrical contractors worldwide

Ranked by team size

Top 25 of 14,397 company matches for refinery electrical contractors worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 22, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	MMR Group	Exact match	Baton Rouge, LA, United StatesHQ recorded Oct 22, 2026	5,001-10,000	3,379 contacts →
	Exact match “At MMR we believe that no matter how much you achieve, you should never forget where you came from.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
2	Estrutural	Exact match	Porto Alegre, BrazilHQ recorded Oct 22, 2026	1,001-5,000	2,795 contacts →
	Exact match “Quem somos: Somos uma empresa nacional, com mais de 30 anos no segmento da construção, montagem e manutenção industrial.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
3	Brown & Root Industrial Services, LLC	Exact match	Baton Rouge, LA, United StatesHQ recorded Oct 22, 2026	5,001-10,000	1,969 contacts →
	Exact match “Brown & Root Industrial Services offers the full range of industrial services – engineering, construction, maintenance, turnaround, and specialty (painting, scaffolding…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
4	Quanta Services, INC	Exact match	Houston, TX, United StatesHQ recorded Oct 22, 2026	10001+	1,901 contacts →
	Exact match “Quanta Services (NYSE: PWR) is the leading specialty contractor with the largest and highly trained skilled workforce in North America, providing fully integrated solutions for…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
5	Walker Engineering	Exact match	Irving, TX, United StatesHQ recorded Oct 22, 2026	1,001-5,000	1,124 contacts →
	Exact match “Walker Engineering has a solid reputation in the industry that is based on over 45 years of delivering top notch electrical work for a fair and competitive price.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
6	PT Jaya Teknik Indonesia	Exact match	Jakarta, IndonesiaHQ recorded Oct 22, 2026	201-500	848 contacts →
	Exact match “Pt.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
7	BK Gulf LLC	Exact match	Dubai, United Arab EmiratesHQ recorded Oct 22, 2026	5,001-10,000	819 contacts →
	Exact match “Established in 1978, BK Gulf LLC is a leading contractor in electrical, mechanical, instrumentation and building services within the UAE & Middle East market.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
8	Elec-Tech Electrical Contractors	Exact match	Long Beach, CA, United StatesHQ recorded Oct 22, 2026	n/a	778 contacts →
	Exact match “WELCOME TO OUR WEBSITE!” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
9	AL Ahleia Switchgear Co. Kscc	Exact match	Sabhan, KuwaitHQ recorded Oct 22, 2026	1,001-5,000	735 contacts →
	Exact match “Established in 1982 by Sayed Hamid Behbehani & Sons, Kuwait.* First Kuwaiti company to be awarded with ISO 9001 back in 1995 by DNV.* Company certified for ISO/TS 29001:2010…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
10	Loenbro	Exact match	Westminster, CO, United StatesHQ recorded Oct 22, 2026	1,001-5,000	730 contacts →
	Exact match “Loenbro is a trusted, long-term construction lifecycle partner to thousands of customers across the U.S.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
11	Wyatt Field Service Company	Exact match	Houston, TX, United StatesHQ recorded Oct 22, 2026	1,001-5,000	725 contacts →
	Exact match “WYATT is recognized for executing complex maintenance, outage, turnaround, and capital construction projects across the Oil, Gas & Chemical, and Power markets.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
12	Willbros	Exact match	Houston, TX, United StatesHQ recorded Oct 22, 2026	10001+	724 contacts →
	Exact match “Primoris is a specialty energy infrastructure contractor serving the oil and gas and power industries with offerings that primarily include construction, maintenance and…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
13	Prism Electric	Exact match	Garland, TX, United StatesHQ recorded Oct 22, 2026	1,001-5,000	717 contacts →
	Exact match “Our story began in 1994 with a simple vision: Build a company that does things right.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
14	Emco Qatar	Exact match	Doha, QatarHQ recorded Oct 22, 2026	1,001-5,000	696 contacts →
	Exact match “In the year 2002, realizing the need for Specialized Refurbishment, Repairs, & Maintenance Services of Oil Industries, Commercial and Residential Complexes.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
15	Mass. Electric Construction CO	Exact match	North America, TX, United StatesHQ recorded Oct 22, 2026	1,001-5,000	685 contacts →
	Exact match “Mass.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
16	The Newtron Group	Exact match	Baton Rouge, LA, United StatesHQ recorded Oct 22, 2026	1,001-5,000	669 contacts →
	Exact match “The Newtron Group is one of the largest privately owned Specialty Industrial Construction companies in the United States and is among the nation's leading Industrial Electrical…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
17	M. J. Electric, LLC	Exact match	Iron Mountain, MI, United StatesHQ recorded Oct 22, 2026	1,001-5,000	666 contacts →
	Exact match “M.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
18	PAR Electrical Contractors, LLC	Exact match	Kansas City, MO, United StatesHQ recorded Oct 22, 2026	1,001-5,000	630 contacts →
	Exact match “PAR, a Quanta Services company, offers a full range of construction services for substations, overhead and underground distribution and transmission lines, engineering, design…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
19	Alterman, INC	Exact match	Live Oak, TX, United StatesHQ recorded Oct 22, 2026	501-1,000	615 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 · Oct 22, 2026 · View company records in RevenueBase
20	Brinderson	Exact match	United StatesHQ recorded Oct 22, 2026	5,001-10,000	586 contacts →
	Exact match “Brinderson, a subsidiary of the Brock Group, is a full-service provider of maintenance, construction, turnaround, facilities, and safety services.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
21	CSI Electrical Contractors, INC	Exact match	Santa Fe Springs, CA, United StatesHQ recorded Oct 22, 2026	1,001-5,000	585 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 · Oct 22, 2026 · View company records in RevenueBase
22	Morrow-Meadows Corporation	Exact match	City Of Industry, CA, United StatesHQ recorded Oct 22, 2026	1,001-5,000	536 contacts →
	Exact match “With over six decades of experience, Morrow-Meadows Corporation (MMC) is a full-service electrical contracting company able to fulfill our customer’s every electrical need, no…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
23	The State Group	Exact match	Franklin, TN, United StatesHQ recorded Oct 22, 2026	1,001-5,000	532 contacts →
	Exact match “The State Group is one of North America's leading multi-trade industrial and specialty services contractors.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
24	Pieper Electric, INC	Exact match	New Berlin, WI, United StatesHQ recorded Oct 22, 2026	501-1,000	508 contacts →
	Exact match “At Pieper Electric, Inc,"Our People Are Our Power" isn't just a phrase; it's our way of life.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
25	Techmation Electric & Controls LTD	Exact match	Airdrie, AB, CanadaHQ recorded Oct 22, 2026	1,001-5,000	506 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “refinery electrical contractors”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 14,397 refinery electrical contractors worldwide

See the full list, filter by size, metro and specialty, and access 42,382 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Refinery electrical contractors worldwide at a glance

As of Oct 22, 2026

22.5%Verified-email coverage

13.1Average contacts per company

11-50Median size (employees)

0.8%Largest-city concentration · Houston

Oct 22, 2026Page data refreshed

Companies by employee count

1-10

6,055

11-50

5,195

51-200

2,151

201-500

551

501-1,000

175

1,001-5,000

115

5,001-10,000

10001+

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 refinery electrical contractors are linked below.
What qualifies: Company records worldwide whose business descriptions match “refinery electrical contractors” 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 42,382 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 October 22, 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.

Refinery electrical contractors by location

42 lists · largest first

Every Refinery electrical contractors 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 “refinery electrical contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many refinery electrical contractors are there worldwide?

RevenueBase identified 14,397 company matches for refinery electrical contractors worldwide as of October 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?

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

Which country has the most refinery electrical contractors?

The United States leads with 5,421 companies, followed by the United Kingdom (1,269) and Canada (846). Every refinery electrical contractors list by country and city is linked on this page.

Which city has the most refinery electrical contractors?

Houston leads with 114 company records, followed by London (59) and New York (59).

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 42,382 professional contacts with verified work emails tracked across these 14,397 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 October 22, 2026.

Ready to reach these companies? Verified emails and direct dials for all 14,397 refinery electrical contractors worldwide. Start with a free account, no credit card.

Download this list →

Related lists

Browse the directory

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.