Company lists · Data refreshed September 2026

Top 25 Engineering and manufacturing consulting firms based in the United States

Name: Engineering and manufacturing 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 29, 2026 10,640 companies tracked

RevenueBase identified 10,640 company matches for engineering and manufacturing consulting firms associated with the United States as of September 2026 and tracks 252,207 professional contacts across them, including 102,464 with verified work emails and 97,652 with mobile numbers. Houston is the largest hub.

This list covers company matches for engineering and manufacturing 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 29, 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 29, 2026 How this list was built

10,640Companies

252,207Contacts tracked

102,464Verified emails

97,652Mobile numbers

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The 25 largest engineering and manufacturing consulting firms based in the United States

Ranked by team size

Top 25 of 10,640 company matches for engineering and manufacturing consulting firms based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 29, 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	Plexus Corp	Exact match	Neenah, NC, United StatesHQ recorded Sep 29, 2026	10001+	8,149 contacts →
	Exact match “Since 1979, Plexus has been partnering with companies to create the products that build a better world.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
2	Terracon	Exact match	Olathe, KS, United StatesHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
3	Benchmark	Exact match	Tempe, AZ, United StatesHQ recorded Sep 29, 2026	10001+	5,362 contacts →
	Exact match “Benchmark is a worldwide provider of innovative product design, engineering services, technology solutions and advanced manufacturing services.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
4	Power Engineers	Exact match	Hailey, ID, United StatesHQ recorded Sep 29, 2026	1,001-5,000	4,013 contacts →
	Exact match “POWER Engineers is now part of WSP.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
5	Ips-Integrated Project Services	Exact match	Blue Bell, PA, United StatesHQ recorded Sep 29, 2026	1,001-5,000	3,577 contacts →
	Exact match “IPS, a Berkshire Hathaway company, is a global leader in technical consulting, architecture, engineering, procurement, construction management, commissioning, qualification…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
6	Entrust Solutions Group	Exact match	Lisle, IL, United StatesHQ recorded Sep 29, 2026	1,001-5,000	2,966 contacts →
	Exact match “ENTRUST Solutions Group, an ENR Top 100 company, provides comprehensive and dependable engineering, consulting, and automation services to pipeline companies, gas and electric…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
7	VEE Technologies	Exact match	Decatur, GA, United StatesHQ recorded Sep 29, 2026	5,001-10,000	2,933 contacts →
	Exact match “Vee Technologies is a global consulting and professional services organization delivering specialized, technology-enabled solutions.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
8	Hexagon Asset Lifecycle Intelligence	Exact match	Madison, AL, United StatesHQ recorded Sep 29, 2026	10001+	2,630 contacts →
	Exact match “Hexagon’s Asset Lifecycle Intelligence division helps clients design, construct and operate more profitable, safe and sustainable industrial facilities.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
9	The Haskell Company	Exact match	Jacksonville, FL, United StatesHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
10	ECS Group Of Companies	Exact match	Chantilly, VA, United StatesHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
11	Colliers Engineering & Design	Exact match	Holmdel, NJ, United StatesHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
12	IMEG	Exact match	Rock Island, IL, United StatesHQ recorded Sep 29, 2026	1,001-5,000	1,985 contacts →
	Exact match “Leaders in Engineering and Innovation.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
13	Hargrove Engineers & Constructors	Exact match	Mobile, AL, United StatesHQ recorded Sep 29, 2026	1,001-5,000	1,877 contacts →
	Exact match “Hargrove is a full-service engineering, procurement, and construction management firm delivering multi-discipline engineering, project delivery, controls & automation, and…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
14	Caresoft Global	Exact match	Livonia, MI, United StatesHQ recorded Sep 29, 2026	1,001-5,000	1,860 contacts →
	Exact match “We are a global engineering solutions company working closely with major Automotive, On-Highway, Agriculture & Construction Equipment Manufacturers and Tier-I Suppliers to solve…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
15	Bowman Consulting	Exact match	Reston, VA, United StatesHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
16	CHA Consulting, INC	Exact match	Albany, NY, United StatesHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
17	GEI Consultants, INC	Exact match	Woburn, MA, United StatesHQ recorded Sep 29, 2026	1,001-5,000	1,604 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
18	Ssoe Group	Exact match	Toledo, OH, United StatesHQ recorded Sep 29, 2026	1,001-5,000	1,603 contacts →
	Exact match “As an internationally ranked architecture and engineering firm, SSOE is known for delivering unparalleled client value that advances the AEC industry.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
19	Alliantgroup	Exact match	Houston, TX, United StatesHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
20	Exponent	Exact match	Menlo Park, CA, United StatesHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
21	BW Design Group	Exact match	St. Louis, MO, United StatesHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
22	Kpff Consulting Engineers	Exact match	Seattle, WA, United StatesHQ recorded Sep 29, 2026	1,001-5,000	1,487 contacts →
	Exact match “KPFF is a multi-office, multi-discipline engineering firm.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
23	Davey Resource Group, INC	Exact match	Kent, OH, United StatesHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
24	GPI Greenman-Pedersen, INC	Exact match	Melville, NY, United StatesHQ recorded Sep 29, 2026	1,001-5,000	1,354 contacts →
	Exact match “With a staff of over 1,800 professionals, Greenman-Pedersen, Inc.(GPI) is a leading engineering consulting firm that specializes in the innovative design and construction of…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
25	Atwell, LLC	Exact match	Southfield, MI, United StatesHQ recorded Sep 29, 2026	1,001-5,000	1,290 contacts →
	Exact match “Atwell is a full-service consulting, engineering and construction services firm that delivers a broad range of creative solutions to clients in the real estate and land…” Recorded in the RevenueBase company graph · Sep 29, 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 “engineering and manufacturing 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 10,640 engineering and manufacturing consulting firms based in the United States

See the full list, filter by size, metro and specialty, and access 102,464 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Engineering and manufacturing consulting firms based in the United States at a glance

As of Sep 29, 2026

40.6%Verified-email coverage

38.7%Mobile-number coverage

23.7Average contacts per company

1-10Median size (employees)

3.0%Largest-city concentration · Houston

Sep 29, 2026Page data refreshed

Companies by employee count

1-10

6,084

11-50

2,992

51-200

1,132

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 31.0d

45,0600–30

56,28231–60

3,22861–90

7090–180

619180+

Company record updated

Median 92.0d

00–30

56,52631–60

58,48761–90

134,20390–180

13,215180+

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 “engineering and manufacturing 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 102,464 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 29, 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.

Engineering and manufacturing 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 “engineering and manufacturing consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many engineering and manufacturing consulting firms are there based in the United States?

RevenueBase identified 10,640 company matches for engineering and manufacturing 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?

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

Which city has the most engineering and manufacturing consulting firms?

Houston leads with 324 company records, followed by New York (187) and Chicago (130).

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 102,464 professional contacts with verified work emails tracked across these 10,640 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 29, 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.