Company lists · Data refreshed September 2026

Top 25 Engineering surveying companies based in the United States

RevenueBase identified 5,294 company matches for engineering surveying companies associated with the United States as of September 2026 and tracks 114,464 professional contacts across them, including 54,823 with verified work emails. Houston is the largest hub.

This list covers company matches for engineering surveying 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 September 16, 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 16, 2026 How this list was built
5,294Companies
114,464Contacts tracked
54,823Verified emails
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The 25 largest engineering surveying companies based in the United States

Ranked by team size
Top 25 of 5,294 company matches for engineering surveying companies based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 16, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchOlathe, KS, United StatesHQ recorded Sep 16, 20265,001-10,0006,113 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 16, 2026 · View company records in RevenueBase
2Exact matchChantilly, VA, United StatesHQ recorded Sep 16, 20261,001-5,0002,210 contacts →

Exact match

“ECS Group of Companies is a Chantilly, VA-based consulting engineering firm.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
3Exact matchReston, VA, United StatesHQ recorded Sep 16, 20261,001-5,0001,666 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 16, 2026 · View company records in RevenueBase
4Exact matchHouston, TX, United StatesHQ recorded Sep 16, 20261,001-5,0001,112 contacts →

Exact match

“Ranked No.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
5Exact matchRichmond, VA, United StatesHQ recorded Sep 16, 20261,001-5,0001,066 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 · Sep 16, 2026 · View company records in RevenueBase
6Exact matchSeattle, WA, United StatesHQ recorded Sep 16, 2026501-1,000859 contacts →

Exact match

“The right team is more than an advantage.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
7Exact matchRaleigh, NC, United StatesHQ recorded Sep 16, 2026501-1,000759 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 · Sep 16, 2026 · View company records in RevenueBase
8Exact matchRaleigh, NC, United StatesHQ recorded Sep 16, 20261,001-5,000707 contacts →

Exact match

“Tower Engineer Professionals was founded in 1997 by two tower-climbing engineers.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
9Exact matchHouston, TX, United StatesHQ recorded Sep 16, 2026501-1,000683 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 · Sep 16, 2026 · View company records in RevenueBase
10Exact matchNormal, IL, United StatesHQ recorded Sep 16, 2026501-1,000654 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 · Sep 16, 2026 · View company records in RevenueBase
11Exact matchJackson, MS, United StatesHQ recorded Sep 16, 2026501-1,000591 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 · Sep 16, 2026 · View company records in RevenueBase
12Exact matchSan Antonio, TX, United StatesHQ recorded Sep 16, 2026501-1,000582 contacts →

Exact match

“Founded in 1968, Raba Kistner Inc.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
13Exact matchOrlando, FL, United StatesHQ recorded Sep 16, 2026501-1,000567 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 · Sep 16, 2026 · View company records in RevenueBase
14Exact matchMeriden, CT, United StatesHQ recorded Sep 16, 2026201-500550 contacts →

Exact match

“BL Companies is committed to providing quality, individualized service to clients.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
15Exact matchBellevue, WA, United StatesHQ recorded Sep 16, 2026501-1,000547 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 · Sep 16, 2026 · View company records in RevenueBase
16Exact matchKennesaw, GA, United StatesHQ recorded Sep 16, 2026501-1,000518 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 · Sep 16, 2026 · View company records in RevenueBase
17Exact matchLongview, TX, United StatesHQ recorded Sep 16, 202651-200508 contacts →

Exact match

“We Build People Who Build the Future KSA is an industry leader, providing a broad range of engineering, architecture, planning, surveying, and construction management services.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
18Exact matchSavannah, GA, United StatesHQ recorded Sep 16, 2026501-1,000491 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 · Sep 16, 2026 · View company records in RevenueBase
19Exact matchMiddletown, CT, United StatesHQ recorded Sep 16, 2026201-500491 contacts →

Exact match

“Founded in 1991, AI Engineers provides comprehensive Bridge, Transportation, Construction Support, Water/Wastewater, Site/Civil, Building Systems, Design-Build, Survey/Mapping…”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
20Exact matchSan Jose, CA, United StatesHQ recorded Sep 16, 2026501-1,000489 contacts →

Exact match

“Mark Thomas provides planning, civil and structural engineering, construction management, land surveying, landscape architecture and urban design, and district management for…”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
21Exact matchMountainville, United StatesHQ recorded Sep 16, 2026501-1,000487 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
22Exact matchEau Claire, WI, United StatesHQ recorded Sep 16, 2026201-500458 contacts →

Exact match

“In 1959, Owen Ayres founded Ayres Associates atop a steadfast foundation of honesty, innovation, and good old-fashioned hard work – and a vision for a firm that revolved around…”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
23Exact matchTuscaloosa, AL, United StatesHQ recorded Sep 16, 2026201-500442 contacts →

Exact match

“Founded in 1964, TTL is an engineering design firm focused on delivering integrated infrastructure solutions for public and private clients.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
24Exact matchCherry Hill, NJ, United StatesHQ recorded Sep 16, 2026501-1,000438 contacts →

Exact match

“Founded in 1901, RVE has grown to be an industry leader with 500 team members in offices throughout New Jersey, Pennsylvania, Delaware, Maryland and North Carolina.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
25Exact matchChicago, IL, United StatesHQ recorded Sep 16, 2026201-500432 contacts →

Exact match

“In 1979, Collins Engineers, Inc.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase

Showing 25 of 5,294 engineering surveying companies based in the United States

See the full list, filter by size, metro and specialty, and access 54,823 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Engineering surveying companies based in the United States at a glance

As of Sep 16, 2026
47.9%Verified-email coverage
21.6Average contacts per company
11-50Median size (employees)
1.7%Largest-city concentration · Houston
Sep 16, 2026Page data refreshed

Companies by employee count

1-10
2,368
11-50
2,123
51-200
652
201-500
87
501-1,000
23
1,001-5,000
16
5,001-10,000
2
10001+
2

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 5,294 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 surveying 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 54,823 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 16, 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.

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 surveying companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

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

RevenueBase identified 5,294 company matches for engineering surveying companies 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 engineering surveying companies?

Houston leads with 89 company records, followed by New York (50) and Tampa (45).

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 54,823 professional contacts with verified work emails tracked across these 5,294 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 16, 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.