Company lists · Data refreshed November 2026

Top 25 Infrastructure conglomerates based in the United States

RevenueBase identified 2,002 company matches for infrastructure conglomerates associated with the United States as of November 2026 and tracks 266,249 professional contacts across them, including 93,868 with verified work emails. New York is the largest hub.

This list covers company matches for infrastructure conglomerates 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 November 6, 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 Nov 6, 2026 How this list was built
2,002Companies
266,249Contacts tracked
93,868Verified emails
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The 25 largest infrastructure conglomerates based in the United States

Ranked by team size
Top 25 of 2,002 company matches for infrastructure conglomerates based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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 matchDallas, TX, United StatesHQ recorded Nov 6, 202610001+68,572 contacts →

Exact match

“AECOM is the global infrastructure leader, committed to delivering a better world.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchOmaha, NE, United StatesHQ recorded Nov 6, 202610001+21,044 contacts →

Exact match

“At Kiewit, the projects we deliver make a difference, and we offer opportunities for you to make one, too.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchOverland Park, KS, United StatesHQ recorded Nov 6, 202610001+11,748 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchSan Francisco, CA, United StatesHQ recorded Nov 6, 202610001+8,131 contacts →

Exact match

“URS Corporation operations are now affiliated with AECOM.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchKansas City, MO, United StatesHQ recorded Nov 6, 20265,001-10,0007,819 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 · Nov 6, 2026 · View company records in RevenueBase
6Exact matchJuno Beach, FL, United StatesHQ recorded Nov 6, 202610001+6,545 contacts →

Exact match

“NextEra Energy Resources, LLC, together with its affiliated entities,("NextEra Energy Resources") is one of the largest energy infrastructure companies in North America.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchWatsonville, TX, United StatesHQ recorded Nov 6, 20265,001-10,0004,837 contacts →

Exact match

“From infrastructure that facilitates the movement of goods and people to projects that improve the way we live, work, and play, high-value partnerships power our projects and fuel…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchUnited StatesHQ recorded Nov 6, 20261,001-5,0004,624 contacts →

Exact match

“Clark Construction Group is one of the largest building and infrastructure companies in the United States.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchChicago, MI, United StatesHQ recorded Nov 6, 20265,001-10,0004,429 contacts →

Exact match

“The Walsh Group is a 127-year-old company providing design, build, finance, operation and activation services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchDallas, AZ, United StatesHQ recorded Nov 6, 202610001+4,275 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 · Nov 6, 2026 · View company records in RevenueBase
11Exact matchCoral Gables, FL, United StatesHQ recorded Nov 6, 202610001+3,559 contacts →

Exact match

“MasTec companies have been involved in some of the largest and most complex infrastructure construction projects across the country.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchCoral Gables, FL, United StatesHQ recorded Nov 6, 20265,001-10,0003,416 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 · Nov 6, 2026 · View company records in RevenueBase
13Exact matchBrownsville, PA, United StatesHQ recorded Nov 6, 202610001+2,607 contacts →

Exact match

“Established in 1959 in Brownsville, WI, Michels is an international leader in energy and infrastructure construction.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchChicago, IL, United StatesHQ recorded Nov 6, 20261,001-5,0002,526 contacts →

Exact match

“Invenergy is North America’s largest privately held developer, owner, and operator of innovative, reliable power infrastructure.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchSan Diego, CA, United StatesHQ recorded Nov 6, 20261,001-5,0002,456 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchHouston, TX, United StatesHQ recorded Nov 6, 20265,001-10,0002,143 contacts →

Exact match

“Spectra Energy is now Enbridge Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchBlue Bell, PA, United StatesHQ recorded Nov 6, 20265,001-10,0001,935 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 · Nov 6, 2026 · View company records in RevenueBase
18Exact matchAvon, MN, United StatesHQ recorded Nov 6, 20265,001-10,0001,711 contacts →

Exact match

“With more than 115 years of construction experience, Blattner has played a vital role in building America’s critical infrastructure, ranging from railroads and highways to dams…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchFargo, IA, United StatesHQ recorded Nov 6, 20261,001-5,0001,491 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 · Nov 6, 2026 · View company records in RevenueBase
20Exact matchDallas, TX, United StatesHQ recorded Nov 6, 20265,001-10,0001,446 contacts →

Exact match

“Arcosa, Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchPhoenix, AZ, United StatesHQ recorded Nov 6, 20265,001-10,0001,421 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchCharlotte, VA, United StatesHQ recorded Nov 6, 20261,001-5,0001,396 contacts →

Exact match

“The Lane Construction Corporation is one of America’s leading construction companies, specializing in large, complex civil infrastructure.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchEast Jordan, OH, United StatesHQ recorded Nov 6, 20261,001-5,0001,289 contacts →

Exact match

“EJ is the global leader in the design, manufacture, and distribution of access solutions for the world’s growing infrastructure.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchEnglewood, TX, United StatesHQ recorded Nov 6, 20261,001-5,0001,194 contacts →

Exact match

“Mears is an industry-leading energy infrastructure solutions provider offering engineering, construction and maintenance services to the oil and natural gas, electric transmission…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchThornton, CO, United StatesHQ recorded Nov 6, 20265,001-10,0001,137 contacts →

Exact match

“With roots dating to 1891 and employees, MYR Group Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 2,002 infrastructure conglomerates based in the United States

See the full list, filter by size, metro and specialty, and access 93,868 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Infrastructure conglomerates based in the United States at a glance

As of Nov 6, 2026
35.3%Verified-email coverage
133.0Average contacts per company
11-50Median size (employees)
5.2%Largest-city concentration · New York
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
590
11-50
538
51-200
441
201-500
172
501-1,000
97
1,001-5,000
117
5,001-10,000
19
10001+
23

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 2,002 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 “infrastructure conglomerates” 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 93,868 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 6, 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 “infrastructure conglomerates”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many infrastructure conglomerates are there based in the United States?

RevenueBase identified 2,002 company matches for infrastructure conglomerates associated with the United States 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?

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

Which city has the most infrastructure conglomerates?

New York leads with 104 company records, followed by Houston (65) and Miami (43).

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 93,868 professional contacts with verified work emails tracked across these 2,002 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 6, 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.