Company lists · Data refreshed September 2026

Top 25 Infrastructure consulting firms based in the United States

Name: Infrastructure 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 3, 2026 10,033 companies tracked

RevenueBase identified 10,033 company matches for infrastructure consulting firms associated with the United States as of September 2026 and tracks 582,445 professional contacts across them, including 258,767 with verified work emails and 228,252 with mobile numbers. New York is the largest hub.

This list covers company matches for infrastructure 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 3, 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 3, 2026 How this list was built

10,033Companies

582,445Contacts tracked

258,767Verified emails

228,252Mobile numbers

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

The 25 largest infrastructure consulting firms based in the United States

Ranked by team size

Top 25 of 10,033 company matches for infrastructure consulting firms based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 3, 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	Jacobs	Exact match	Dallas, TX, United StatesHQ recorded Sep 3, 2026	10001+	46,472 contacts →
	Exact match “At Jacobs, we're challenging today to reinvent tomorrow – delivering outcomes and solutions for the world's most complex challenges.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
2	Bechtel Corporation	Exact match	Reston, VA, United StatesHQ recorded Sep 3, 2026	10001+	24,784 contacts →
	Exact match “Bechtel is a trusted engineering, construction and project management partner to industry and government.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
3	Kiewit	Exact match	Omaha, NE, United StatesHQ recorded Sep 3, 2026	10001+	19,591 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 · Sep 3, 2026 · View company records in RevenueBase
4	Tetra Tech	Exact match	Pasadena, CA, United StatesHQ recorded Sep 3, 2026	10001+	13,066 contacts →
	Exact match “Tetra Tech is the leader in water, environment, and sustainable infrastructure, providing high-end consulting and engineering services for projects worldwide.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
5	Black & Veatch	Exact match	Overland Park, KS, United StatesHQ recorded Sep 3, 2026	10001+	10,807 contacts →
	Exact match “Black & Veatch is an employee-owned, global leader in building critical human infrastructure in Energy, Water, Digital Connectivity and Government Services.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
6	Kimley-Horn	Exact match	Raleigh, NC, United StatesHQ recorded Sep 3, 2026	5,001-10,000	10,076 contacts →
	Exact match “Kimley-Horn is one of the nation’s premier planning and design consulting firms.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
7	WSP In The U.S	Exact match	New York, NY, United StatesHQ recorded Sep 3, 2026	10001+	9,318 contacts →
	Exact match “What if you could shape built and natural environments – and the future of those that use them?” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
8	URS Corporation, An Aecom Company	Exact match	San Francisco, CA, United StatesHQ recorded Sep 3, 2026	10001+	7,722 contacts →
	Exact match “URS Corporation operations are now affiliated with AECOM.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
9	CDM Smith	Exact match	Boston, MA, United StatesHQ recorded Sep 3, 2026	5,001-10,000	7,508 contacts →
	Exact match “CDM Smith is shaping what’s next, now, with world class solutions in water, environment, transportation and energy to public and private clients worldwide.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
10	HNTB	Exact match	Kansas City, MO, United StatesHQ recorded Sep 3, 2026	5,001-10,000	7,486 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 · Sep 3, 2026 · View company records in RevenueBase
11	TRC Companies, INC	Exact match	Windsor, CT, United StatesHQ recorded Sep 3, 2026	5,001-10,000	7,018 contacts →
	Exact match “TRC, a member of WSP, stands for adaptability.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
12	Terracon	Exact match	Olathe, CA, United StatesHQ recorded Sep 3, 2026	5,001-10,000	6,024 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 3, 2026 · View company records in RevenueBase
13	Bentley Systems	Exact match	Exton, AL, United StatesHQ recorded Sep 3, 2026	5,001-10,000	5,252 contacts →
	Exact match “Around the world, infrastructure professionals rely on software from Bentley Systems to help them design, build, and operate better and more resilient infrastructure for…” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
14	Michael Baker International	Exact match	Pittsburgh, PA, United StatesHQ recorded Sep 3, 2026	5,001-10,000	4,316 contacts →
	Exact match “Michael Baker International is a leading provider of engineering, consulting and technology services spanning four Verticals: Infrastructure, Integrated Design and Advisory (IDA)…” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
15	STV	Exact match	New York, NC, United StatesHQ recorded Sep 3, 2026	1,001-5,000	3,564 contacts →
	Exact match “STV offers professional services for the infrastructure that powers our lives.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
16	Golder	Exact match	Houston, TX, United States	5,001-10,000	3,183 contacts →
	Exact match “Golder was acquired by WSP.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
17	Dewberry	Exact match	Fairfax, MS, United StatesHQ recorded Sep 3, 2026	1,001-5,000	2,794 contacts →
	Exact match “Dewberry is a leading, market-facing firm with a proven history of providing professional services to a wide variety of public- and private-sector clients.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
18	APTIM	Exact match	Baton Rouge, KS, United StatesHQ recorded Sep 3, 2026	1,001-5,000	2,644 contacts →
	Exact match “APTIM enhances the quality of the environment, wellbeing of people, resilience of communities, and opportunity for employees to make a difference, not just a living.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
19	Brown And Caldwell	Exact match	Walnut Creek, CA, United StatesHQ recorded Sep 3, 2026	1,001-5,000	2,455 contacts →
	Exact match “Headquartered in Walnut Creek, Calif, Brown and Caldwell is an employee-owned firm with 2,100+ professionals serving clients locally and globally from 52 locations.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
20	Geosyntec Consultants	Exact match	Boca Raton, FL, United StatesHQ recorded Sep 3, 2026	1,001-5,000	2,392 contacts →
	Exact match “Geosyntec is a consulting and engineering firm that works with private and public sector clients to address new ventures and complex problems involving our environment, natural…” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
21	Kleinfelder	Exact match	San Diego, CA, United StatesHQ recorded Sep 3, 2026	1,001-5,000	2,365 contacts →
	Exact match “At Kleinfelder, we have been connecting great people to the best work since 1961.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
22	VHB	Exact match	Watertown, NY, United StatesHQ recorded Sep 3, 2026	1,001-5,000	2,289 contacts →
	Exact match “We are VHB.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
23	The Haskell Company	Exact match	Jacksonville, CO, United StatesHQ recorded Sep 3, 2026	1,001-5,000	2,255 contacts →
	Exact match “Haskell delivers over $3 billion annually in Architecture, Engineering, Construction (AEC) and Consulting solutions to assure certainty of outcome for complex capital projects…” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
24	Providence	Exact match	Baton Rouge, WY, United StatesHQ recorded Sep 3, 2026	n/a	2,242 contacts →
	Exact match “Providence is an employee-owned engineering and environmental consulting firm.” Recorded in the RevenueBase company graph · Sep 3, 2026 · View company records in RevenueBase
25	KCI	Exact match	Sparks, SC, United StatesHQ recorded Sep 3, 2026	1,001-5,000	2,228 contacts →
	Exact match “KCI is a 100-percent employee-owned engineering, consulting and construction firm serving clients throughout the United States and beyond.” Recorded in the RevenueBase company graph · Sep 3, 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 “infrastructure 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 10,033 infrastructure consulting firms based in the United States

See the full list, filter by size, metro and specialty, and access 258,767 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Infrastructure consulting firms based in the United States at a glance

As of Sep 3, 2026

44.4%Verified-email coverage

39.2%Mobile-number coverage

58.1Average contacts per company

1-10Median size (employees)

3.2%Largest-city concentration · New York

Sep 3, 2026Page data refreshed

Companies by employee count

1-10

5,005

11-50

3,090

51-200

1,279

201-500

315

501-1,000

130

1,001-5,000

139

5,001-10,000

10001+

Freshness & accuracy

How recently the business emails on this list were verified

Email last verified

00–30

22,08331–60

148,50661–90

85,88790–180

2,291180+

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 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 258,767 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 3, 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.

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

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

RevenueBase identified 10,033 company matches for infrastructure 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?

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

Which city has the most infrastructure consulting firms?

New York leads with 325 company records, followed by Houston (293) and Washington (158).

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 258,767 professional contacts with verified work emails tracked across these 10,033 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 3, 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.