Company lists · Data refreshed November 2026

Top 25 Big engineering companies based in the United States

Name: Big engineering companies 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 14,316 companies tracked

RevenueBase identified 14,316 company matches for big engineering companies associated with the United States as of November 2026 and tracks 1,082,984 professional contacts across them, including 468,606 with verified work emails. New York is the largest hub.

This list covers company matches for big engineering companies 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

14,316Companies

1,082,984Contacts tracked

468,606Verified emails

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

The 25 largest big engineering companies based in the United States

Ranked by team size

Top 25 of 14,316 company matches for big engineering companies 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	Jacobs	Exact match	Dallas, TX, United StatesHQ recorded Nov 6, 2026	10001+	50,733 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 · Nov 6, 2026 · View company records in RevenueBase
3	Fluor Corporation	Exact match	Irving, TX, United StatesHQ recorded Nov 6, 2026	10001+	36,324 contacts →
	Exact match “Fluor Corporation is a global engineering, procurement and construction company.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	Bechtel Corporation	Exact match	Reston, VA, United StatesHQ recorded Nov 6, 2026	10001+	29,287 contacts →
	Exact match “Bechtel is a trusted engineering, construction and project management partner to industry and government.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	Kiewit	Exact match	Omaha, NE, United StatesHQ recorded Nov 6, 2026	10001+	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
6	HDR	Exact match	Omaha, HI, United StatesHQ recorded Nov 6, 2026	10001+	16,569 contacts →
	Exact match “HDR is an employee-owned design firm specializing in engineering, architecture, environmental and construction services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	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
8	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
9	Kimley-Horn	Exact match	Raleigh, NC, United StatesHQ recorded Nov 6, 2026	5,001-10,000	11,227 contacts →
	Exact match “Kimley-Horn is one of the nation’s premier planning and design consulting firms.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	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
11	CDM Smith	Exact match	Boston, MA, United StatesHQ recorded Nov 6, 2026	5,001-10,000	8,143 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 · Nov 6, 2026 · View company records in RevenueBase
12	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
13	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
14	TRC Companies, INC	Exact match	Windsor, CT, United StatesHQ recorded Nov 6, 2026	5,001-10,000	7,280 contacts →
	Exact match “TRC, a member of WSP, stands for adaptability.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	Zachry Group	Exact match	San Antonio, TX, United StatesHQ recorded Nov 6, 2026	10001+	7,226 contacts →
	Exact match “Zachry Group is North America's pacesetter in turnkey engineering, construction, maintenance, turnaround and fabrication services to the energy, chemicals, power, manufacturing…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Terracon	Exact match	Olathe, NE, United StatesHQ recorded Nov 6, 2026	5,001-10,000	6,576 contacts →
	Exact match “Terracon is a 100 percent employee-owned consulting engineering firm providing quality services to clients.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	The Whiting-Turner Contracting Company	Exact match	Towson, MD, United StatesHQ recorded Nov 6, 2026	1,001-5,000	6,070 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 · Nov 6, 2026 · View company records in RevenueBase
18	Mccarthy Building Companies, INC	Exact match	St. Louis, TX, United StatesHQ recorded Nov 6, 2026	5,001-10,000	5,720 contacts →
	Exact match “With 160 years spent collaborating with partners to solve complex building challenges on behalf of its clients, McCarthy Building Companies, Inc.(McCarthy) is committed to…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	Clark Construction Group	Exact match	United StatesHQ recorded Nov 6, 2026	1,001-5,000	4,624 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
20	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
21	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
22	The Walsh Group	Exact match	Chicago, MI, United StatesHQ recorded Nov 6, 2026	5,001-10,000	4,429 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
23	Gilbane Building	Exact match	Providence, RI, United StatesHQ recorded Nov 6, 2026	1,001-5,000	4,383 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 · Nov 6, 2026 · View company records in RevenueBase
24	Hensel Phelps	Exact match	Greeley, CO, United StatesHQ recorded Nov 6, 2026	5,001-10,000	4,371 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 · Nov 6, 2026 · View company records in RevenueBase
25	S&b	Exact match	Houston, LA, United StatesHQ recorded Nov 6, 2026	5,001-10,000	3,819 contacts →
	Exact match “S&B is an engineer and constructor that designs and builds some of the largest and most complex industrial facilities in the world.” 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 “big engineering companies”. 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 14,316 big engineering companies based in the United States

See the full list, filter by size, metro and specialty, and access 468,606 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Big engineering companies based in the United States at a glance

As of Nov 6, 2026

43.3%Verified-email coverage

75.6Average contacts per company

11-50Median size (employees)

3.0%Largest-city concentration · New York

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

6,028

11-50

5,157

51-200

2,047

201-500

533

501-1,000

225

1,001-5,000

226

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 14,316 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 “big engineering companies” 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 468,606 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.

Big engineering companies 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 “big engineering companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many big engineering companies are there based in the United States?

RevenueBase identified 14,316 company matches for big engineering companies 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 big engineering companies?

New York leads with 434 company records, followed by Houston (423) and Chicago (179).

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 468,606 professional contacts with verified work emails tracked across these 14,316 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.

Ready to reach these companies? Verified emails and direct dials for all 14,316 big engineering companies based in the United States. Start with a free account, no credit card.

Download this list →

Related lists

Big engineering companies 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.