Company lists · Data refreshed October 2026

Top 25 Engineering document services based in the United States

Name: Engineering document services based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 12, 2026 6,905 companies tracked

RevenueBase identified 6,905 company matches for engineering document services associated with the United States as of October 2026 and tracks 151,056 professional contacts across them, including 69,306 with verified work emails. Houston is the largest hub.

This list covers company matches for engineering document services 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 October 12, 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 Oct 12, 2026 How this list was built

6,905Companies

151,056Contacts tracked

69,306Verified emails

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The 25 largest engineering document services based in the United States

Ranked by team size

Top 25 of 6,905 company matches for engineering document services based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 12, 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 Oct 12, 2026	5,001-10,000	6,380 contacts →
	Exact match “Terracon is a 100 percent employee-owned consulting engineering firm providing quality services to clients.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
2	ECS Group Of Companies	Exact match	Chantilly, VA, United StatesHQ recorded Oct 12, 2026	1,001-5,000	2,259 contacts →
	Exact match “ECS Group of Companies is a Chantilly, VA-based consulting engineering firm.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
3	Bowman Consulting	Exact match	Reston, VA, United StatesHQ recorded Oct 12, 2026	1,001-5,000	1,778 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 · Oct 12, 2026 · View company records in RevenueBase
4	Walter P Moore	Exact match	Houston, TX, United StatesHQ recorded Oct 12, 2026	1,001-5,000	1,404 contacts →
	Exact match “Welcome to Walter P Moore!” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
5	DGS Technical Services INC	Exact match	Elgin, IL, United StatesHQ recorded Oct 12, 2026	1,001-5,000	985 contacts →
	Exact match “DGSTS, Inc.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
6	Coffman Engineers	Exact match	Seattle, WA, United StatesHQ recorded Oct 12, 2026	501-1,000	889 contacts →
	Exact match “The right team is more than an advantage.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
7	Mesa Associates, INC	Exact match	Madison, AL, United StatesHQ recorded Oct 12, 2026	1,001-5,000	887 contacts →
	Exact match “Mesa is a full service engineering, procurement, and construction management firm specializing in providing engineering services to electric utility, heavy industrial, and…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
8	Mckim & Creed, INC	Exact match	Raleigh, NC, United StatesHQ recorded Oct 12, 2026	501-1,000	838 contacts →
	Exact match “What if you had the opportunity to do something you love and make a difference in peoples' lives at the same time?” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
9	Syska Hennessy Group	Exact match	New York, United StatesHQ recorded Oct 12, 2026	501-1,000	835 contacts →
	Exact match “Consult Engineer Commission At Syska Hennessy Group, we create exceptional environments.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
10	PAE	Exact match	Portland, OR, United StatesHQ recorded Oct 12, 2026	201-500	835 contacts →
	Exact match “PAE provides mechanical and electrical engineering design, technology system design, energy modeling and analysis, and more.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
11	HBK Engineering, LLC	Exact match	Chicago, IL, United StatesHQ recorded Oct 12, 2026	501-1,000	752 contacts →
	Exact match “HBK Engineering, LLC a Quanta Services Company is a fully licensed, professional engineering design firm headquartered in downtown Chicago providing civil, environmental…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
12	ME Engineers	Exact match	Golden, CO, United StatesHQ recorded Oct 12, 2026	201-500	709 contacts →
	Exact match “ME Engineers has earned a reputation as a global leader in the design of innovative MEPT systems that bring to life the world's most innovative sports and entertainment venues.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
13	Whitman, Requardt And Associates, LLP	Exact match	Baltimore, MD, United StatesHQ recorded Oct 12, 2026	501-1,000	636 contacts →
	Exact match “Established in 1915, WRA is a nationally-recognized engineering, architectural and environmental planning firm with a reputation for delivering exceptional work on time and within…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
14	Enventure Engineering	Exact match	Chicago, IL, United StatesHQ recorded Oct 12, 2026	501-1,000	588 contacts →
	Exact match “Enventure is a trusted provider of Building Engineering, Plant Design, and Compliance solutions with offices in the Chicago and delivery centres in Bangalore, Shivamogga, Hubli…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
15	DOWL	Exact match	Bellevue, WA, United StatesHQ recorded Oct 12, 2026	501-1,000	571 contacts →
	Exact match “For more than 60 years, it has been the quality of our people that defines the DOWL difference.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
16	BL Companies	Exact match	Meriden, CT, United StatesHQ recorded Oct 12, 2026	201-500	568 contacts →
	Exact match “BL Companies is committed to providing quality, individualized service to clients.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
17	Vanderweil Engineers	Exact match	Boston, MA, United StatesHQ recorded Oct 12, 2026	201-500	562 contacts →
	Exact match “Vanderweil is a mechanical, electrical, plumbing, fire protection, technology, sustainability, commissioning, and power engineering firm dedicated to providing customized and…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
18	Indovance INC	Exact match	Apex, NC, United StatesHQ recorded Oct 12, 2026	501-1,000	554 contacts →
	Exact match “Indovance is a global, multidisciplinary Engineering Services firm, backed by more than two decades of industry expertise in delivering high-quality CAD Drafting and Design…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
19	RRC Companies	Exact match	Round Rock, TX, United StatesHQ recorded Oct 12, 2026	201-500	544 contacts →
	Exact match “RRC is a top-tier designer of utility-scale wind, solar, energy storage, data center, and oil & gas projects in the US and select international markets.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
20	T&m Associates	Exact match	Middletown, NJ, United StatesHQ recorded Oct 12, 2026	201-500	526 contacts →
	Exact match “T&M Associates is a leading engineering and technical services firm focused on innovative solutions that advance our clients’ goals and sustain communities.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
21	BR A Consulting Engineers	Exact match	Boston, MA, United StatesHQ recorded Oct 12, 2026	201-500	520 contacts →
	Exact match “BR+A was founded in Boston, Massachusetts in 1975 by Gene Bard, Arjun Rao, and Ted Athanas.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
22	Nova Engineering And Environmental, LLC	Exact match	Kennesaw, GA, United StatesHQ recorded Oct 12, 2026	501-1,000	518 contacts →
	Exact match “Established in 1996, NOVA was originally founded to provide Environmental Consulting, Geotechnical Engineering, and Construction Materials Testing and Inspection services to the…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
23	Thomas & Hutton	Exact match	Savannah, GA, United StatesHQ recorded Oct 12, 2026	501-1,000	515 contacts →
	Exact match “Our story began in 1946 with the collaboration of former US Army Corps of Engineers Officers, Hue Thomas and Joe Hutton, in their start-up engineering firm in Savannah, GA.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
24	RTM Engineering Consultants	Exact match	Schaumburg, IL, United StatesHQ recorded Oct 12, 2026	201-500	514 contacts →
	Exact match “We are an engineering firm that goes beyond a typical consulting role.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
25	Tectonic Engineering Consultants, Geologists & Land Surveyors, D.P.C	Exact match	Mountainville, United StatesHQ recorded Oct 12, 2026	501-1,000	508 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 12, 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 document services”. 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 6,905 engineering document services based in the United States

See the full list, filter by size, metro and specialty, and access 69,306 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Engineering document services based in the United States at a glance

As of Oct 12, 2026

45.9%Verified-email coverage

21.9Average contacts per company

11-50Median size (employees)

2.4%Largest-city concentration · Houston

Oct 12, 2026Page data refreshed

Companies by employee count

1-10

3,394

11-50

2,538

51-200

763

201-500

143

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 6,905 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 “engineering document services” 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 69,306 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 October 12, 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 document services 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 document services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many engineering document services are there based in the United States?

RevenueBase identified 6,905 company matches for engineering document services associated with the United States as of October 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 engineering document services?

Houston leads with 164 company records, followed by New York (132) and Miami (73).

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 69,306 professional contacts with verified work emails tracked across these 6,905 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 October 12, 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.