Company lists · Data refreshed September 2026

Top 25 Building consulting firms based in the United States

Name: Building 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 23, 2026 14,430 companies tracked

RevenueBase identified 14,430 company matches for building consulting firms associated with the United States as of September 2026 and tracks 404,182 professional contacts across them, including 184,205 with verified work emails and 155,835 with mobile numbers. New York is the largest hub.

This list covers company matches for building 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 23, 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 23, 2026 How this list was built

14,430Companies

404,182Contacts tracked

184,205Verified emails

155,835Mobile numbers

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The 25 largest building consulting firms based in the United States

Ranked by team size

Top 25 of 14,430 company matches for building consulting firms based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 23, 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 Sep 23, 2026	10001+	63,914 contacts →
	Exact match “AECOM is the global infrastructure leader, committed to delivering a better world.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
2	Kimley-Horn	Exact match	Raleigh, NC, United StatesHQ recorded Sep 23, 2026	5,001-10,000	10,117 contacts →
	Exact match “Kimley-Horn is one of the nation’s premier planning and design consulting firms.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
3	WSP In The U.S	Exact match	New York, NY, United StatesHQ recorded Sep 23, 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 23, 2026 · View company records in RevenueBase
4	TRC Companies, INC	Exact match	Windsor, CT, United StatesHQ recorded Sep 23, 2026	5,001-10,000	7,017 contacts →
	Exact match “TRC, a member of WSP, stands for adaptability.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
5	Hill International, INC	Exact match	Mount Laurel, NJ, United StatesHQ recorded Sep 23, 2026	1,001-5,000	6,653 contacts →
	Exact match “Hill International provides program, project, and construction management services for clients in a range of sectors undertaking major construction projects across the world.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
6	The Whiting-Turner Contracting Company	Exact match	Towson, MD, United StatesHQ recorded Sep 23, 2026	1,001-5,000	5,734 contacts →
	Exact match “How fortunate we all are to work in an industry that produces such a tangible work product that affects so many profoundly.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
7	Hensel Phelps	Exact match	Greeley, CO, United StatesHQ recorded Sep 23, 2026	5,001-10,000	4,094 contacts →
	Exact match “As an employee-owned company, Hensel Phelps culture is based on dedication and commitment to delivering EXCELLENCE for our clients and employees.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
8	Gilbane Building	Exact match	Providence, RI, United StatesHQ recorded Sep 23, 2026	1,001-5,000	4,084 contacts →
	Exact match “Gilbane Building Company provides a full slate of construction and facilities-related services-from preconstruction services planning and integrated consulting capabilities to…” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
9	Balfour Beatty US	Exact match	Dallas, TX, United StatesHQ recorded Sep 23, 2026	1,001-5,000	3,578 contacts →
	Exact match “Balfour Beatty US is an industry-leading provider of general contracting, at-risk construction management and design-build services for public and private sector clients across…” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
10	BL Harbert International LLC	Exact match	Birmingham, AL, United StatesHQ recorded Sep 23, 2026	5,001-10,000	2,818 contacts →
	Exact match “BL Harbert International, LLC began construction operations in under the leadership of Billy Harbert, Jr, carrying on a family tradition in the construction industry dating back…” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
11	Dewberry	Exact match	Fairfax, VA, United StatesHQ recorded Sep 23, 2026	1,001-5,000	2,795 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 23, 2026 · View company records in RevenueBase
12	The Haskell Company	Exact match	Jacksonville, FL, United StatesHQ recorded Sep 23, 2026	1,001-5,000	2,213 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 23, 2026 · View company records in RevenueBase
13	Colliers Engineering & Design	Exact match	Holmdel, NJ, United StatesHQ recorded Sep 23, 2026	1,001-5,000	2,049 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 · Sep 23, 2026 · View company records in RevenueBase
14	Consigli Construction Co., INC	Exact match	Milford, MA, United StatesHQ recorded Sep 23, 2026	1,001-5,000	2,010 contacts →
	Exact match “Consigli Construction Co, Inc.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
15	IMEG	Exact match	Rock Island, IL, United StatesHQ recorded Sep 23, 2026	1,001-5,000	1,985 contacts →
	Exact match “Leaders in Engineering and Innovation.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
16	LJA	Exact match	Houston, TX, United StatesHQ recorded Sep 23, 2026	1,001-5,000	1,932 contacts →
	Exact match “Employee-Owned.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
17	Layton Construction	Exact match	Sandy, UT, United StatesHQ recorded Sep 23, 2026	1,001-5,000	1,826 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
18	Clayco	Exact match	Chicago, IL, United StatesHQ recorded Sep 23, 2026	1,001-5,000	1,720 contacts →
	Exact match “Clayco is a full-service, turnkey real estate development, master planning, architecture, engineering, and construction firm that safely delivers clients across North America the…” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
19	JMT	Exact match	Serving Clients Across The Us, MD, United StatesHQ recorded Sep 23, 2026	1,001-5,000	1,688 contacts →
	Exact match “Johnson, Mirmiran & Thompson is an employee owned, multi-disciplined firm offering a full array of planning, design, and construction phase consulting services for infrastructure…” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
20	Bowman Consulting	Exact match	Reston, VA, United StatesHQ recorded Sep 23, 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 23, 2026 · View company records in RevenueBase
21	Rk&k	Exact match	Baltimore, MD, United StatesHQ recorded Sep 23, 2026	1,001-5,000	1,641 contacts →
	Exact match “RK & K is a full-service planning, engineering, environmental, and construction management/inspection firm serving a wide range of clients throughout the United States.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
22	CHA Consulting, INC	Exact match	Albany, NY, United StatesHQ recorded Sep 23, 2026	1,001-5,000	1,639 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 · Sep 23, 2026 · View company records in RevenueBase
23	GEI Consultants, INC	Exact match	Woburn, MA, United StatesHQ recorded Sep 23, 2026	1,001-5,000	1,604 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
24	UES	Exact match	Orlando, FL, United StatesHQ recorded Sep 23, 2026	1,001-5,000	1,595 contacts →
	Exact match “UES provides professional engineering, environmental, testing and inspection services to clients across the United States.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
25	BW Design Group	Exact match	St. Louis, MO, United StatesHQ recorded Sep 23, 2026	1,001-5,000	1,555 contacts →
	Exact match “BW Design Group is the only independent, fully integrated AEC firm powered by a Manufacturer's Mindset™.” Recorded in the RevenueBase company graph · Sep 23, 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 “building 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 14,430 building consulting firms based in the United States

See the full list, filter by size, metro and specialty, and access 184,205 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Building consulting firms based in the United States at a glance

As of Sep 23, 2026

45.6%Verified-email coverage

38.6%Mobile-number coverage

28.0Average contacts per company

1-10Median size (employees)

4.1%Largest-city concentration · New York

Sep 23, 2026Page data refreshed

Companies by employee count

1-10

7,851

11-50

4,874

51-200

1,266

201-500

249

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 25.5d

139,1410–30

40,80231–60

2,77761–90

13190–180

1,354180+

Company record updated

Median 86.0d

00–30

117,42931–60

184,44161–90

79,98890–180

22,324180+

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 “building 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 184,205 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 23, 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.

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

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

RevenueBase identified 14,430 company matches for building 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?

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

Which city has the most building consulting firms?

New York leads with 595 company records, followed by Houston (299) and Chicago (211).

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 184,205 professional contacts with verified work emails tracked across these 14,430 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 23, 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.