Company lists · Data refreshed November 2026

Top 25 Engineering survey companies based in the United States

Name: Engineering survey 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 6,885 companies tracked

RevenueBase identified 6,885 company matches for engineering survey companies associated with the United States as of November 2026 and tracks 176,847 professional contacts across them, including 86,555 with verified work emails. Houston is the largest hub.

This list covers company matches for engineering survey 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

6,885Companies

176,847Contacts tracked

86,555Verified emails

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The 25 largest engineering survey companies based in the United States

Ranked by team size

Top 25 of 6,885 company matches for engineering survey 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	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
2	ECS Group Of Companies	Exact match	Chantilly, VA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,363 contacts →
	Exact match “ECS Group of Companies is a Chantilly, VA-based consulting engineering firm.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	LJA	Exact match	Griffin, GA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,206 contacts →
	Exact match “Employee-Owned.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	Bowman Consulting	Exact match	Reston, VA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,827 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 · Nov 6, 2026 · View company records in RevenueBase
5	UES	Exact match	Orlando, FL, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,694 contacts →
	Exact match “UES provides professional engineering, environmental, testing and inspection services to clients across the United States.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	Garver	Exact match	North Little Rock, TX, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,579 contacts →
	Exact match “Founded in 1919, Garver is an employee-owned engineering, planning, and environmental services firm focused on aviation, transportation, buildings, federal, water and wastewater…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	Walter P Moore	Exact match	Houston, TX, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,446 contacts →
	Exact match “Welcome to Walter P Moore!” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	GPI Greenman-Pedersen, INC	Exact match	Melville, FL, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,401 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 · Nov 6, 2026 · View company records in RevenueBase
9	Volkert, INC	Exact match	Mobile, AL, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,244 contacts →
	Exact match “Volkert’s history began in 1925 when it was founded in New Orleans as Doullut & Erwin to provide waterfront and heavy construction services, as well as airport design services…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	Bge, INC	Exact match	Houston, TX, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,160 contacts →
	Exact match “Ranked No.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	Timmons Group	Exact match	Richmond, NC, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,138 contacts →
	Exact match “Timmons Group is an engineering & technology firm specializing in civil, environmental, GIS, and surveying services to clients across the US.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	Coffman Engineers	Exact match	Seattle, CO, United StatesHQ recorded Nov 6, 2026	501-1,000	919 contacts →
	Exact match “The right team is more than an advantage.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	Mckim & Creed, INC	Exact match	Raleigh, NC, United StatesHQ recorded Nov 6, 2026	501-1,000	872 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 · Nov 6, 2026 · View company records in RevenueBase
14	HBK Engineering, LLC	Exact match	Chicago, TX, United StatesHQ recorded Nov 6, 2026	501-1,000	784 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 · Nov 6, 2026 · View company records in RevenueBase
15	BKF Engineers	Exact match	Oakland, CA, United StatesHQ recorded Nov 6, 2026	501-1,000	770 contacts →
	Exact match “BKF is the premier A/E/C firm in the Western United States-built on over 110 years of excellence and a vision for the future.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Schnabel Engineering	Exact match	Glen Allen, VA, United StatesHQ recorded Nov 6, 2026	501-1,000	767 contacts →
	Exact match “Schnabel is a trusted partner in building the foundation for project success.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Whitman, Requardt And Associates, LLP	Exact match	Baltimore, FL, United StatesHQ recorded Nov 6, 2026	501-1,000	690 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 · Nov 6, 2026 · View company records in RevenueBase
18	Farnsworth Group, INC	Exact match	Normal, IL, United StatesHQ recorded Nov 6, 2026	501-1,000	687 contacts →
	Exact match “Farnsworth Group is a leading employee-owned full-service design firm, with 650-plus professionals across the United States.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	Quiddity	Exact match	Houston, TX, United StatesHQ recorded Nov 6, 2026	501-1,000	681 contacts →
	Exact match “Quiddity is an award-winning, full-service civil engineering, planning, surveying, and consulting firm providing innovative solutions for public infrastructure and private…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	Neel-Schaffer, INC	Exact match	Jackson, MS, United StatesHQ recorded Nov 6, 2026	501-1,000	637 contacts →
	Exact match “Neel-Schaffer is a multi-disciplined engineering, planning and construction management firm that was founded in 1983 and today is one of the largest private, employee-owned…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	Raba Kistner, INC	Exact match	San Antonio, UT, United StatesHQ recorded Nov 6, 2026	501-1,000	612 contacts →
	Exact match “Founded in 1968, Raba Kistner Inc.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	DOWL	Exact match	Bellevue, WY, United StatesHQ recorded Nov 6, 2026	501-1,000	584 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 · Nov 6, 2026 · View company records in RevenueBase
23	DRMP	Exact match	Orlando, FL, United StatesHQ recorded Nov 6, 2026	501-1,000	584 contacts →
	Exact match “Founded in 1977, DRMP is a multi-discipline civil engineering and surveying firm that develops innovative and sustainable design solutions for infrastructure in the public…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	BL Companies	Exact match	Meriden, CT, United StatesHQ recorded Nov 6, 2026	201-500	574 contacts →
	Exact match “BL Companies is committed to providing quality, individualized service to clients.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	Cobb, Fendley & Associates, INC	Exact match	Houston, FL, United StatesHQ recorded Nov 6, 2026	501-1,000	556 contacts →
	Exact match “Cobb, Fendley & Associates, Inc.(CobbFendley) is a nationally recognized infrastructure solutions firm with a regional focus and a commitment to excellence.” 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 “engineering survey 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 6,885 engineering survey companies based in the United States

See the full list, filter by size, metro and specialty, and access 86,555 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Engineering survey companies based in the United States at a glance

As of Nov 6, 2026

48.9%Verified-email coverage

25.7Average contacts per company

11-50Median size (employees)

1.8%Largest-city concentration · Houston

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

3,050

11-50

2,706

51-200

878

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 6,885 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 survey 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 86,555 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.

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

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

RevenueBase identified 6,885 company matches for engineering survey 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?

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

Which city has the most engineering survey companies?

Houston leads with 121 company records, followed by New York (89) and Tampa (65).

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 86,555 professional contacts with verified work emails tracked across these 6,885 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.

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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.