Company lists · Data refreshed September 2026

Top 25 Field analysis and consulting firms based in the United States

Name: Field analysis and 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 28, 2026 4,435 companies tracked

RevenueBase identified 4,435 company matches for field analysis and consulting firms associated with the United States as of September 2026 and tracks 120,092 professional contacts across them, including 59,470 with verified work emails. Houston is the largest hub.

This list covers company matches for field analysis and 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 28, 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 28, 2026 How this list was built

4,435Companies

120,092Contacts tracked

59,470Verified emails

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

The 25 largest field analysis and consulting firms based in the United States

Ranked by team size

Top 25 of 4,435 company matches for field analysis and consulting firms based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 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	Terracon	Exact match	Olathe, KS, United StatesHQ recorded Sep 28, 2026	5,001-10,000	6,113 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 28, 2026 · View company records in RevenueBase
2	Power Engineers	Exact match	Hailey, ID, United StatesHQ recorded Sep 28, 2026	1,001-5,000	4,013 contacts →
	Exact match “POWER Engineers is now part of WSP.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3	ECS Group Of Companies	Exact match	Chantilly, VA, United StatesHQ recorded Sep 28, 2026	1,001-5,000	2,210 contacts →
	Exact match “ECS Group of Companies is a Chantilly, VA-based consulting engineering firm.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4	LJA	Exact match	Houston, TX, United StatesHQ recorded Sep 28, 2026	1,001-5,000	1,932 contacts →
	Exact match “Employee-Owned.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5	Analysis Group	Exact match	Boston, MA, United StatesHQ recorded Sep 28, 2026	1,001-5,000	1,781 contacts →
	Exact match “Analysis Group is one of the largest international economics consulting firms, with more than 1,500 professionals across 15 offices in North America, Europe, and Asia.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6	Swca Environmental Consultants	Exact match	Phoenix, AZ, United StatesHQ recorded Sep 28, 2026	1,001-5,000	1,629 contacts →
	Exact match “Founded on a commitment to sound science and creative solutions, SWCA is a leader in environmental and management consulting services.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7	Alliantgroup	Exact match	Houston, TX, United StatesHQ recorded Sep 28, 2026	1,001-5,000	1,595 contacts →
	Exact match “alliant is the nation's premier consulting and management engineering firm.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8	Exponent	Exact match	Menlo Park, CA, United StatesHQ recorded Sep 28, 2026	1,001-5,000	1,560 contacts →
	Exact match “In an era of accelerating change, Exponent is the only premium engineering and scientific consulting firm with the depth and breadth of expertise to solve our clients’ most…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9	ATLAS	Exact match	Denver, CO, United StatesHQ recorded Sep 28, 2026	1,001-5,000	1,529 contacts →
	Exact match “Atlas Technical Consultants (Atlas) provides professional testing, inspection, engineering, environmental and consulting services nationwide.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10	Charles River Associates	Exact match	Boston, MA, United StatesHQ recorded Sep 28, 2026	1,001-5,000	1,479 contacts →
	Exact match “Charles River Associates (CRA) is a global consulting firm specializing in litigation, regulatory, financial, and management consulting.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11	Davey Resource Group, INC	Exact match	Kent, OH, United StatesHQ recorded Sep 28, 2026	1,001-5,000	1,395 contacts →
	Exact match “Davey Resource Group, Inc.(DRG) provides innovative consulting and field services that support utility infrastructure and environmental stewardship.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12	Cornerstone Research	Exact match	San Francisco, CA, United StatesHQ recorded Sep 28, 2026	501-1,000	1,248 contacts →
	Exact match “At Cornerstone Research, we attribute our success to a unique combination of resources: a creative and energetic staff, cutting-edge technology and research, and our work with…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13	Knight Piesold	Exact match	Denver, CO, United StatesHQ recorded Sep 28, 2026	1,001-5,000	1,231 contacts →
	Exact match “Knight Piésold is an employee-owned, global consulting firm providing specialist services to the mining, power, water resources, and infrastructure industries.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14	Rimkus	Exact match	Houston, TX, United StatesHQ recorded Sep 28, 2026	1,001-5,000	1,184 contacts →
	Exact match “Consultants.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15	Haley & Aldrich	Exact match	Burlington, MA, United StatesHQ recorded Sep 28, 2026	501-1,000	1,124 contacts →
	Exact match “Haley & Aldrich is committed to solving our clients’ most meaningful challenges in the built and natural environments.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16	Bge, INC	Exact match	Houston, TX, United StatesHQ recorded Sep 28, 2026	1,001-5,000	1,112 contacts →
	Exact match “Ranked No.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17	Barr Engineering CO	Exact match	Minneapolis, MN, United StatesHQ recorded Sep 28, 2026	1,001-5,000	1,088 contacts →
	Exact match “Barr provides engineering and environmental consulting services to clients across the Midwest, throughout the Americas, and around the world.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18	Trinity Consultants	Exact match	Dallas, TX, United StatesHQ recorded Sep 28, 2026	1,001-5,000	961 contacts →
	Exact match “Trinity Consultants is a global team of experts helping organizations solve complex challenges in environmental compliance, ecological protection, infrastructure performance, and…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19	Simpson Gumpertz & Heger SGH	Exact match	Waltham, MA, United StatesHQ recorded Sep 28, 2026	501-1,000	942 contacts →
	Exact match “Simpson Gumpertz & Heger (SGH) is a national engineering firm committed to delivering holistic advice for our clients’ most complex challenges.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20	Wiss, Janney, Elstner Associates, INC	Exact match	Northbrook, IL, United StatesHQ recorded Sep 28, 2026	501-1,000	895 contacts →
	Exact match “Founded in 1956, Wiss, Janney, Elstner Associates (WJE) is an interdisciplinary firm of engineers, architects, and materials scientists committed to helping clients solve, repair…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21	Coffman Engineers	Exact match	Seattle, WA, United StatesHQ recorded Sep 28, 2026	501-1,000	859 contacts →
	Exact match “The right team is more than an advantage.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22	Secretariat	Exact match	Atlanta, GA, United StatesHQ recorded Sep 28, 2026	501-1,000	849 contacts →
	Exact match “Secretariat experts are trusted in the highest-stakes legal, risk, and regulatory matters around the world.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23	Compass Lexecon	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	501-1,000	791 contacts →
	Exact match “One of the world’s leading economic consulting firms, Compass Lexecon provides law firms, corporations and government clients with clear analysis of complex issues.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24	NERA	Exact match	New York, NY, United StatesHQ recorded Sep 28, 2026	501-1,000	782 contacts →
	Exact match “In 2026, NERA is celebrating 65 years of trusted economics, experts, and experience.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25	The Foth Companies	Exact match	De Pere, WI, United StatesHQ recorded Sep 28, 2026	501-1,000	781 contacts →
	Exact match “By combining science, engineering, and technology with a true collaborative spirit, Foth has delivered innovative solutions to our clients since 1938.” Recorded in the RevenueBase company graph · Sep 28, 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 “field analysis and 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 4,435 field analysis and consulting firms based in the United States

See the full list, filter by size, metro and specialty, and access 59,470 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Field analysis and consulting firms based in the United States at a glance

As of Sep 28, 2026

49.5%Verified-email coverage

27.1Average contacts per company

1-10Median size (employees)

2.5%Largest-city concentration · Houston

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

2,397

11-50

1,484

51-200

394

201-500

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 4,435 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 “field analysis and 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 59,470 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 28, 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.

Field analysis and 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 “field analysis and consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many field analysis and consulting firms are there based in the United States?

RevenueBase identified 4,435 company matches for field analysis and 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?

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

Which city has the most field analysis and consulting firms?

Houston leads with 109 company records, followed by New York (105) and Chicago (52).

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 59,470 professional contacts with verified work emails tracked across these 4,435 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 28, 2026.

Ready to reach these companies? Verified emails and direct dials for all 4,435 field analysis and consulting firms based in the United States. Start with a free account, no credit card.

Download this list →

Related lists

Field analysis and consulting firms by geography

Browse the directory

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.