Company lists · Data refreshed October 2026

Top 25 Grid infrastructure engineering firms based in the United States

RevenueBase identified 3,224 company matches for grid infrastructure engineering firms associated with the United States as of October 2026 and tracks 201,413 professional contacts across them, including 82,779 with verified work emails. Houston is the largest hub.

This list covers company matches for grid infrastructure engineering 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 October 13, 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 Oct 13, 2026 How this list was built
3,224Companies
201,413Contacts tracked
82,779Verified emails
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The 25 largest grid infrastructure engineering firms based in the United States

Ranked by team size
Top 25 of 3,224 company matches for grid infrastructure engineering firms based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 13, 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 matchKansas City, MO, United StatesHQ recorded Oct 13, 20265,001-10,0007,638 contacts →

Exact match

“For over a century, HNTB has shaped the built environment with distinctive expertise across a full spectrum of infrastructure solutions.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
2Exact matchMinneapolis, MN, United StatesHQ recorded Oct 13, 20265,001-10,0005,884 contacts →

Exact match

“Mortenson is a U.S-based, top-25 builder, developer and provider of energy and engineering services committed to helping organizations move their strategies forward.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
3Exact matchPittsburgh, PA, United StatesHQ recorded Oct 13, 20265,001-10,0004,415 contacts →

Exact match

“Michael Baker International is a leading provider of engineering, consulting, and technology services spanning four Verticals: Infrastructure, Places and Facilities, Federal and…”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
4Exact matchShelton, CT, United StatesHQ recorded Oct 13, 202610001+4,366 contacts →

Exact match

“Hubbell Incorporated is a leading manufacturer of utility and electrical solutions that help build more reliable, resilient, and renewable energy infrastructure.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
5Exact matchDallas, TX, United StatesHQ recorded Oct 13, 202610001+4,166 contacts →

Exact match

“Primoris Services Corporation (NYSE: PRIM) is a leading provider of critical infrastructure services to the utility, energy, and renewables markets throughout the United States…”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
6Exact matchCoral Gables, FL, United StatesHQ recorded Oct 13, 20265,001-10,0003,349 contacts →

Exact match

“MasTec Communications Group (MCG) is a division of MasTec that provides comprehensive services and turnkey solutions for Telecom operators.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
7Exact matchSan Francisco, CA, United StatesHQ recorded Oct 13, 20261,001-5,0003,179 contacts →

Exact match

“As a global engineering firm, we design infrastructure solutions that connect and elevate communities.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
8Exact matchLisle, IL, United StatesHQ recorded Oct 13, 20261,001-5,0003,020 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 · Oct 13, 2026 · View company records in RevenueBase
9Exact matchMenasha, WI, United StatesHQ recorded Oct 13, 20261,001-5,0002,979 contacts →

Exact match

“Faith Technologies Incorporated (FTI) is a dynamic organization comprised of construction, engineering, manufacturing and renewable energy experts.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
10Exact matchSan Diego, CA, United StatesHQ recorded Oct 13, 20261,001-5,0002,401 contacts →

Exact match

“At Kleinfelder, we have been connecting great people to the best work since 1961.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
11Exact matchMount Airy, NC, United StatesHQ recorded Oct 13, 202610001+2,123 contacts →

Exact match

“The Pike family of companies is a leading provider of utilities solutions to over 300 investor-owned, municipal and cooperative utilities in the United States.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
12Exact matchRock Island, IL, United StatesHQ recorded Oct 13, 20261,001-5,0002,064 contacts →

Exact match

“Leaders in Engineering and Innovation.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
13Exact matchKennesaw, GA, United StatesHQ recorded Oct 13, 20261,001-5,0001,980 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 · Oct 13, 2026 · View company records in RevenueBase
14Exact matchHouston, TX, United StatesHQ recorded Oct 13, 202610001+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 13, 2026 · View company records in RevenueBase
15Exact matchBlue Bell, PA, United StatesHQ recorded Oct 13, 20265,001-10,0001,819 contacts →

Exact match

“Henkels & McCoy, Inc.(H&M) is a leading utility construction firm providing critical infrastructure for the power, oil & gas pipeline, telecommunications, and gas distribution…”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
16Exact matchPlano, TX, United StatesHQ recorded Oct 13, 20261,001-5,0001,801 contacts →

Exact match

“At Westwood, our purpose is to create a better world for people through our work.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
17Exact matchReston, VA, United StatesHQ recorded Oct 13, 20261,001-5,0001,778 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 · Oct 13, 2026 · View company records in RevenueBase
18Exact matchAlbany, NY, United StatesHQ recorded Oct 13, 20261,001-5,0001,733 contacts →

Exact match

“CHA Consulting, Inc.(CHA) is an innovative, full-service engineering, design, consulting, and program/construction management firm providing a wide range of technology-enhanced…”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
19Exact matchBoulder, CO, United StatesHQ recorded Oct 13, 20261,001-5,0001,666 contacts →

Exact match

“Congruex was formed in 2017 to take advantage of historic demand for digital connectivity.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
20Exact matchSan Diego, CA, United StatesHQ recorded Oct 13, 20261,001-5,0001,618 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 · Oct 13, 2026 · View company records in RevenueBase
21Exact matchFargo, ND, United StatesHQ recorded Oct 13, 20261,001-5,0001,460 contacts →

Exact match

“Ulteig delivers comprehensive design engineering, program management and technical and field services that strengthen infrastructure vital to everyday life.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
22Exact matchBaton Rouge, LA, United StatesHQ recorded Oct 13, 20261,001-5,0001,435 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 · Oct 13, 2026 · View company records in RevenueBase
23Exact matchHouston, TX, United StatesHQ recorded Oct 13, 20261,001-5,0001,404 contacts →

Exact match

“Welcome to Walter P Moore!”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
24Exact matchPhoenix, AZ, United StatesHQ recorded Oct 13, 20265,001-10,0001,376 contacts →

Exact match

“NPL is a nationally recognized leader in energy infrastructure construction, with 50 years of experience.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
25Exact matchFremont, CA, United StatesHQ recorded Oct 13, 20261,001-5,0001,274 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 · Oct 13, 2026 · View company records in RevenueBase

Showing 25 of 3,224 grid infrastructure engineering firms based in the United States

See the full list, filter by size, metro and specialty, and access 82,779 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Grid infrastructure engineering firms based in the United States at a glance

As of Oct 13, 2026
41.1%Verified-email coverage
62.5Average contacts per company
11-50Median size (employees)
3.3%Largest-city concentration · Houston
Oct 13, 2026Page data refreshed

Companies by employee count

1-10
1,049
11-50
1,063
51-200
641
201-500
224
501-1,000
97
1,001-5,000
123
5,001-10,000
10
10001+
12

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 3,224 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 “grid infrastructure engineering 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 82,779 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 13, 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.

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 “grid infrastructure engineering firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many grid infrastructure engineering firms are there based in the United States?

RevenueBase identified 3,224 company matches for grid infrastructure engineering firms associated with the United States 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?

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

Which city has the most grid infrastructure engineering firms?

Houston leads with 105 company records, followed by New York (42) and Chicago (39).

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 82,779 professional contacts with verified work emails tracked across these 3,224 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 13, 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.