Company lists · Data refreshed November 2026

Top 24 Infrastructure architecture consultants based in the United States

Name: Infrastructure architecture consultants based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 8,092 companies tracked

RevenueBase identified 8,092 company matches for infrastructure architecture consultants associated with the United States as of November 2026 and tracks 504,116 professional contacts across them, including 215,603 with verified work emails. New York is the largest hub.

This list covers company matches for infrastructure architecture consultants 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

8,092Companies

504,116Contacts tracked

215,603Verified emails

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The 24 largest infrastructure architecture consultants based in the United States

Ranked by team size

Top 24 of 8,092 company matches for infrastructure architecture consultants 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	AECOM	Exact match	Dallas, TX, United StatesHQ recorded Nov 6, 2026	10001+	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
2	Kyndryl	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	10001+	47,955 contacts →
	Exact match “We have the world’s best talent that design, run, and manage the most advanced and reliable technology infrastructure each day.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	Tetra Tech	Exact match	Pasadena, CA, United StatesHQ recorded Nov 6, 2026	10001+	14,232 contacts →
	Exact match “Tetra Tech is the leader in water, environment and sustainable infrastructure, providing high-end technical and engineering services for projects worldwide.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	Black & Veatch	Exact match	Overland Park, KS, United StatesHQ recorded Nov 6, 2026	10001+	11,748 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	Marvell Technology	Exact match	Santa Clara, CA, United StatesHQ recorded Nov 6, 2026	5,001-10,000	10,218 contacts →
	Exact match “We believe that infrastructure powers progress.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	WSP In The U.S	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	10001+	10,188 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 · Nov 6, 2026 · View company records in RevenueBase
7	URS Corporation, An Aecom Company	Exact match	San Francisco, CA, United StatesHQ recorded Nov 6, 2026	10001+	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
8	HNTB	Exact match	Kansas City, MO, United StatesHQ recorded Nov 6, 2026	5,001-10,000	7,819 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
9	Sargent & Lundy	Exact match	Chicago, NJ, United StatesHQ recorded Nov 6, 2026	1,001-5,000	4,591 contacts →
	Exact match “Sargent & Lundy is one of the world’s longest-standing full-service architect engineering firms.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	Michael Baker International	Exact match	Pittsburgh, PA, United StatesHQ recorded Nov 6, 2026	5,001-10,000	4,504 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 · Nov 6, 2026 · View company records in RevenueBase
11	Presidio	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	1,001-5,000	4,274 contacts →
	Exact match “At Presidio, speed and quality meet technology and innovation.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	STV	Exact match	New York, TX, United StatesHQ recorded Nov 6, 2026	1,001-5,000	3,812 contacts →
	Exact match “Follow STV for practical insight into the infrastructure, ideas and people making communities better.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	AHEAD	Exact match	Chicago, IL, United StatesHQ recorded Nov 6, 2026	1,001-5,000	3,490 contacts →
	Exact match “AHEAD accelerates strategy into execution by engineering integrated solutions across infrastructure, applications, data, and security.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	TYLIN	Exact match	San Francisco, CA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	3,268 contacts →
	Exact match “As a global engineering firm, we design infrastructure solutions that connect and elevate communities.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	Kleinfelder	Exact match	San Diego, CA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,456 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
16	The Haskell Company	Exact match	Jacksonville, WI, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,439 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 · Nov 6, 2026 · View company records in RevenueBase
17	Olsson	Exact match	Lincoln, AR, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,289 contacts →
	Exact match “Olsson is an engineering firm made up of people who craft expert solutions and designs that improve communities.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	Colliers Engineering & Design	Exact match	Holmdel, NC, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,172 contacts →
	Exact match “Colliers Engineering & Design, an affiliate of Colliers, is a trusted provider of multi-discipline engineering and architecture, design and consulting services to public and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	Skidmore, Owings & Merrill SOM	Exact match	New York, DC, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,130 contacts →
	Exact match “Skidmore, Owings & Merrill (SOM) is a global practice of architects, designers, engineers, and planners, responsible for some of the world’s most technically and environmentally…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	IMEG	Exact match	Rock Island, IL, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,116 contacts →
	Exact match “Leaders in Engineering and Innovation.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	Louis Berger	Exact match	Morristown, NJ, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,019 contacts →
	Exact match “Louis Berger was acquired by WSP.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	Eplus INC	Exact match	Herndon, VA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,901 contacts →
	Exact match “ePlus is a customer-first, services-led, results-driven and trusted industry leader that helps organizations secure, modernize, optimize, and scale every aspect of their IT…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	Bowman Consulting	Exact match	Reston, VA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,827 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 · Nov 6, 2026 · View company records in RevenueBase
24	CHA Consulting, INC	Exact match	Albany, NH, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,780 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 · Nov 6, 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 architecture consultants”. 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 24 of 8,092 infrastructure architecture consultants based in the United States

See the full list, filter by size, metro and specialty, and access 215,603 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Infrastructure architecture consultants based in the United States at a glance

As of Nov 6, 2026

42.8%Verified-email coverage

62.3Average contacts per company

1-10Median size (employees)

4.2%Largest-city concentration · New York

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

4,116

11-50

2,587

51-200

913

201-500

234

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 8,092 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 architecture consultants” 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 215,603 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.

Infrastructure architecture consultants 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 architecture consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many infrastructure architecture consultants are there based in the United States?

RevenueBase identified 8,092 company matches for infrastructure architecture consultants 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 architecture consultants?

New York leads with 341 company records, followed by Houston (174) and Chicago (142).

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 215,603 professional contacts with verified work emails tracked across these 8,092 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.