Company lists · Data refreshed September 2026

Top 25 Electrical systems integrators based in the United States

Name: Electrical systems integrators based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 7,787 companies tracked

RevenueBase identified 7,787 company matches for electrical systems integrators associated with the United States as of September 2026 and tracks 154,061 professional contacts across them, including 57,843 with verified work emails. Houston is the largest hub.

This list covers company matches for electrical systems integrators associated with the United States, 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 September 28, 2026.

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 Sep 28, 2026 How this list was built

7,787Companies

154,061Contacts tracked

57,843Verified emails

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The 25 largest electrical systems integrators based in the United States

Ranked by team size

Top 25 of 7,787 company matches for electrical systems integrators based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 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	Convergint	Exact match	Hoffman Estates, IL, United StatesHQ recorded Sep 28, 2026	10001+	5,707 contacts →
	Exact match “Convergint is a global systems integrator focused on delivering results for our customers through unparalleled service excellence.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2	M.C. Dean, INC	Exact match	Tysons, VA, United StatesHQ recorded Sep 28, 2026	5,001-10,000	2,761 contacts →
	Exact match “M.C.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3	Automated Systems Design, INC	Exact match	Alpharetta, GA, United StatesHQ recorded Sep 28, 2026	n/a	2,678 contacts →
	Exact match “Since 1987, Automated Systems Design, Inc.(ASD®) a five-time Inc.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4	Electrical Components International	Exact match	Southfield, MI, United StatesHQ recorded Sep 28, 2026	10001+	2,200 contacts →
	Exact match “Founded in 1953, Electrical Components International (ECI) is one of the world’s leading suppliers of electrical distribution systems, control box assemblies, and other critical…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5	IES Communications	Exact match	Tempe, AZ, United StatesHQ recorded Sep 28, 2026	1,001-5,000	1,800 contacts →
	Exact match “IES Communications a division of IES (NASDAQ: IESC) provides each client with a team of highly qualified dedicated professionals that deliver superior quality and cost effective…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6	Helix Electric	Exact match	San Diego, CA, United StatesHQ recorded Sep 28, 2026	1,001-5,000	1,560 contacts →
	Exact match “Helix Electric is an award-winning electrical contractor specializing in design-build and highly complex electrical projects throughout the United States.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7	ISC Constructors, L.L.C	Exact match	Baton Rouge, LA, United StatesHQ recorded Sep 28, 2026	1,001-5,000	1,384 contacts →
	Exact match “ISC is an industrial engineering and construction company specializing in comprehensive electrical, instrumentation, and controls solutions.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8	Bergelectric	Exact match	Carlsbad, CA, United StatesHQ recorded Sep 28, 2026	1,001-5,000	1,182 contacts →
	Exact match “Since their inception in 1946, Bergelectric has made its mark on the construction industry by providing the highest quality electrical and technology contracting.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9	Rovisys	Exact match	Aurora, OH, United StatesHQ recorded Sep 28, 2026	1,001-5,000	1,159 contacts →
	Exact match “As one of the world's largest independent systems integrators, RoviSys delivers comprehensive automation, digital transformation, manufacturing execution (MES), Industrial AI…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10	E2 Optics	Exact match	Englewood, CO, United StatesHQ recorded Sep 28, 2026	1,001-5,000	1,001 contacts →
	Exact match “E2 Optics is an award-winning, woman-owned, low voltage IT solutions integrator.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11	Industrial Electric Mfg. IEM	Exact match	Fremont, CA, United StatesHQ recorded Sep 28, 2026	1,001-5,000	969 contacts →
	Exact match “Industrial Electric Mfg.(IEM) is the largest independent full-line manufacturer of electrical distribution equipment and integrated power systems in the U.S.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12	Prime Controls	Exact match	Lewisville, TX, United StatesHQ recorded Sep 28, 2026	1,001-5,000	857 contacts →
	Exact match “Prime Controls was established as a Main Automation Contractor to provide customers a sole source solution for Industrial Automation services and products.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13	Flanders	Exact match	Evansville, IN, United StatesHQ recorded Sep 28, 2026	501-1,000	789 contacts →
	Exact match “FLANDERS, Leverage our legacy.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14	Elec-Tech Electrical Contractors	Exact match	Long Beach, CA, United StatesHQ recorded Sep 28, 2026	n/a	782 contacts →
	Exact match “WELCOME TO OUR WEBSITE!” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15	SASCO	Exact match	Fullerton, CA, United StatesHQ recorded Sep 28, 2026	501-1,000	734 contacts →
	Exact match “SASCO has been a leader in electrical construction and low-voltage systems technologies for 50 years.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16	Cache Valley Electric	Exact match	Logan, UT, United StatesHQ recorded Sep 28, 2026	1,001-5,000	627 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 · Sep 28, 2026 · View company records in RevenueBase
17	Nvent Hoffman	Exact match	Anoka, MN, United StatesHQ recorded Sep 28, 2026	10001+	627 contacts →
	Exact match “nVent HOFFMAN leading designer and manufacturer of systems that safely and reliably protect the electronic controls and mission critical electrical systems in industrial, data…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18	Cummings Electrical	Exact match	Fort Worth, TX, United StatesHQ recorded Sep 28, 2026	1,001-5,000	626 contacts →
	Exact match “Cummings Electrical,(Cummings) is one of the largest providers of electrical contracting services in DFW market.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19	E Tech Group	Exact match	West Chester, OH, United StatesHQ recorded Sep 28, 2026	501-1,000	610 contacts →
	Exact match “E Tech Group is one of the largest engineering and system integration firms in the United States.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20	Alterman, INC	Exact match	Live Oak, TX, United StatesHQ recorded Sep 28, 2026	501-1,000	597 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 · Sep 28, 2026 · View company records in RevenueBase
21	Viking Electric	Exact match	Minneapolis, MN, United StatesHQ recorded Sep 28, 2026	501-1,000	577 contacts →
	Exact match “Viking Electric was founded in 1964 in St.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22	Colonialwebb	Exact match	Richmond, VA, United StatesHQ recorded Sep 28, 2026	1,001-5,000	571 contacts →
	Exact match “ColonialWebb is built on a simple belief: when people feel like they belong and have a purpose, they can achieve almost anything.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23	Electrical Engineering And Equipment	Exact match	Windsor Heights, IA, United StatesHQ recorded Sep 28, 2026	201-500	567 contacts →
	Exact match “Established in 1920, Electrical Engineering & Equipment Company known as 3E, is an industry leader with diverse capabilities.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24	Ford Audio-Video	Exact match	Oklahoma City, OK, United StatesHQ recorded Sep 28, 2026	501-1,000	564 contacts →
	Exact match “Ford AV designs, installs, and services professional and commercial sound, audio-video, network infrastructure, and security surveillance systems for organizations including…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25	CSI Electrical Contractors, INC	Exact match	Santa Fe Springs, CA, United StatesHQ recorded Sep 28, 2026	1,001-5,000	560 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 · Sep 28, 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 “electrical systems integrators”. 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 7,787 electrical systems integrators based in the United States

See the full list, filter by size, metro and specialty, and access 57,843 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Electrical systems integrators based in the United States at a glance

As of Sep 28, 2026

37.5%Verified-email coverage

19.8Average contacts per company

11-50Median size (employees)

2.3%Largest-city concentration · Houston

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

3,358

11-50

2,925

51-200

1,091

201-500

243

501-1,000

1,001-5,000

5,001-10,000

10001+

Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 7,787 companies.

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.
What qualifies: Company records associated with the United States whose business descriptions match “electrical systems integrators” 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 57,843 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 September 28, 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 systems integrators by metro

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 systems integrators”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many electrical systems integrators are there based in the United States?

RevenueBase identified 7,787 company matches for electrical systems integrators associated with the United States as of September 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?

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

Which city has the most electrical systems integrators?

Houston leads with 179 company records, followed by New York (105) and Los Angeles (75).

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 57,843 professional contacts with verified work emails tracked across these 7,787 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 September 28, 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.