Company lists · Data refreshed September 2026

Top 25 Electrical engineering consulting firms based in the United States

Name: Electrical engineering consulting firms based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 29, 2026 9,915 companies tracked

RevenueBase identified 9,915 company matches for electrical engineering consulting firms associated with the United States as of September 2026 and tracks 225,382 professional contacts across them, including 97,548 with verified work emails and 93,950 with mobile numbers. Houston is the largest hub.

This list covers company matches for electrical engineering consulting firms 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 29, 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 29, 2026 How this list was built

9,915Companies

225,382Contacts tracked

97,548Verified emails

93,950Mobile numbers

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

The 25 largest electrical engineering consulting firms based in the United States

Ranked by team size

Top 25 of 9,915 company matches for electrical engineering consulting firms based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 29, 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	Terracon	Exact match	Olathe, KS, United StatesHQ recorded Sep 29, 2026	5,001-10,000	6,113 contacts →
	Exact match “Terracon is a 100 percent employee-owned consulting engineering firm providing quality services to clients.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
2	Sargent & Lundy	Exact match	Chicago, WY, United StatesHQ recorded Sep 29, 2026	1,001-5,000	4,156 contacts →
	Exact match “Sargent & Lundy is one of the world’s longest-standing full-service architect engineering firms.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
3	Power Engineers	Exact match	Hailey, ID, United StatesHQ recorded Sep 29, 2026	1,001-5,000	4,013 contacts →
	Exact match “POWER Engineers is now part of WSP.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
4	Entrust Solutions Group	Exact match	Lisle, IL, United StatesHQ recorded Sep 29, 2026	1,001-5,000	2,966 contacts →
	Exact match “ENTRUST Solutions Group, an ENR Top 100 company, provides comprehensive and dependable engineering, consulting, and automation services to pipeline companies, gas and electric…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
5	IES Holdings	Exact match	Houston, TX, United StatesHQ recorded Sep 29, 2026	5,001-10,000	2,567 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 · Sep 29, 2026 · View company records in RevenueBase
6	ECS Group Of Companies	Exact match	Chantilly, VA, United StatesHQ recorded Sep 29, 2026	1,001-5,000	2,210 contacts →
	Exact match “ECS Group of Companies is a Chantilly, VA-based consulting engineering firm.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
7	Langan Engineering & Environmental Services	Exact match	Parsippany, NJ, United StatesHQ recorded Sep 29, 2026	1,001-5,000	2,177 contacts →
	Exact match “Langan's client-focused, highly entrepreneurial culture cultivates an environment of opportunities in which career growth and teamwork flourish.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
8	Enercon Services, INC	Exact match	Kennesaw, GA, United StatesHQ recorded Sep 29, 2026	1,001-5,000	1,865 contacts →
	Exact match “ENERCON is a multi-discipline engineering and environmental engineering support services firm focused on delivering safe and efficient solutions for the power, data center and…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
9	Bowman Consulting	Exact match	Reston, VA, United StatesHQ recorded Sep 29, 2026	1,001-5,000	1,666 contacts →
	Exact match “Headquartered in Reston, Virginia, Bowman is a national engineering services firm delivering infrastructure solutions to customers who own, develop and maintain the built…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
10	Westwood Professional Services	Exact match	Plano, TX, United StatesHQ recorded Sep 29, 2026	1,001-5,000	1,661 contacts →
	Exact match “At Westwood, our purpose is to create a better world for people through our work.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
11	GEI Consultants, INC	Exact match	Woburn, MA, United StatesHQ recorded Sep 29, 2026	1,001-5,000	1,604 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
12	Ssoe Group	Exact match	Toledo, OH, United StatesHQ recorded Sep 29, 2026	1,001-5,000	1,603 contacts →
	Exact match “As an internationally ranked architecture and engineering firm, SSOE is known for delivering unparalleled client value that advances the AEC industry.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
13	Helix Electric	Exact match	San Diego, CA, United StatesHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
14	Davey Resource Group, INC	Exact match	Kent, OH, United StatesHQ recorded Sep 29, 2026	1,001-5,000	1,395 contacts →
	Exact match “Davey Resource Group, Inc.(DRG) provides innovative consulting and field services that support utility infrastructure and environmental stewardship.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
15	Walter P Moore	Exact match	Houston, TX, United StatesHQ recorded Sep 29, 2026	1,001-5,000	1,298 contacts →
	Exact match “Welcome to Walter P Moore!” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
16	Atwell, LLC	Exact match	Southfield, MI, United StatesHQ recorded Sep 29, 2026	1,001-5,000	1,290 contacts →
	Exact match “Atwell is a full-service consulting, engineering and construction services firm that delivers a broad range of creative solutions to clients in the real estate and land…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
17	Rimkus	Exact match	Houston, TX, United StatesHQ recorded Sep 29, 2026	1,001-5,000	1,184 contacts →
	Exact match “Consultants.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
18	Bge, INC	Exact match	Houston, TX, United StatesHQ recorded Sep 29, 2026	1,001-5,000	1,112 contacts →
	Exact match “Ranked No.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
19	Barr Engineering CO	Exact match	Minneapolis, MN, United StatesHQ recorded Sep 29, 2026	1,001-5,000	1,088 contacts →
	Exact match “Barr provides engineering and environmental consulting services to clients across the Midwest, throughout the Americas, and around the world.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
20	Pond & Company	Exact match	Peachtree Corners, GA, United StatesHQ recorded Sep 29, 2026	501-1,000	985 contacts →
	Exact match “Pond, an ENERCON company, is a full-service consulting firm that has provided integrated engineering, architecture, planning, and construction management solutions to public and…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
21	GAI Consultants, INC	Exact match	Homestead, PA, United StatesHQ recorded Sep 29, 2026	501-1,000	964 contacts →
	Exact match “Transforming ideas into reality® since 1958, GAI Consultants is an engineering, planning, and environmental consulting firm that provides customized solutions and local expertise…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
22	Simpson Gumpertz & Heger SGH	Exact match	Waltham, MA, United StatesHQ recorded Sep 29, 2026	501-1,000	942 contacts →
	Exact match “Simpson Gumpertz & Heger (SGH) is a national engineering firm committed to delivering holistic advice for our clients’ most complex challenges.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
23	Dashiell Corporation	Exact match	Houston, TX, United StatesHQ recorded Sep 29, 2026	1,001-5,000	940 contacts →
	Exact match “Dashiell is a leading national provider of technical services to the electric utility, power generation, industrial, renewable and energy industries.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
24	Mesa Associates, INC	Exact match	Madison, AL, United StatesHQ recorded Sep 29, 2026	1,001-5,000	897 contacts →
	Exact match “Mesa is a full service engineering, procurement, and construction management firm specializing in providing engineering services to electric utility, heavy industrial, and…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
25	Coffman Engineers	Exact match	Seattle, WA, United StatesHQ recorded Sep 29, 2026	501-1,000	859 contacts →
	Exact match “The right team is more than an advantage.” Recorded in the RevenueBase company graph · Sep 29, 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 engineering consulting firms”. 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 9,915 electrical engineering consulting firms based in the United States

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Electrical engineering consulting firms based in the United States at a glance

As of Sep 29, 2026

43.3%Verified-email coverage

41.7%Mobile-number coverage

22.7Average contacts per company

11-50Median size (employees)

2.3%Largest-city concentration · Houston

Sep 29, 2026Page data refreshed

Companies by employee count

1-10

4,642

11-50

3,560

51-200

1,275

201-500

245

501-1,000

1,001-5,000

5,001-10,000

10001+

Freshness & accuracy

How recently the business emails were verified and the company information checked

Email last verified

Median 31.0d

43,4450–30

55,69931–60

3,15161–90

8490–180

490180+

Company record updated

Median 92.0d

00–30

52,67431–60

47,44661–90

129,03190–180

11,926180+

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 engineering consulting 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. 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 97,548 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 29, 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 engineering consulting firms 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 engineering consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many electrical engineering consulting firms are there based in the United States?

RevenueBase identified 9,915 company matches for electrical engineering consulting firms 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?

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

Which city has the most electrical engineering consulting firms?

Houston leads with 228 company records, followed by New York (190) and Miami (92).

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 97,548 professional contacts with verified work emails tracked across these 9,915 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 29, 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.