Company lists · Data refreshed October 2026

Top 25 Civil engineering design firms based in Denver, United States

Name: Civil engineering design firms based in Denver, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 9, 2026 41 companies tracked

RevenueBase identified 41 company matches for civil engineering design firms associated with Denver, United States as of October 2026 and tracks 987 professional contacts across them, including 471 with verified work emails. Across the United States, Houston is the largest hub for this category (204 companies); Denver has 41.

This list covers company matches for civil engineering design firms associated with Denver, 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 9, 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 9, 2026 How this list was built

41Companies

987Contacts tracked

471Verified emails

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The 25 largest civil engineering design firms based in Denver, United States

Ranked by team size

Top 25 of 41 company matches for civil engineering design firms based in Denver, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 9, 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	CTL Thompson	Exact match	Denver, CO, United StatesHQ recorded Oct 9, 2026	201-500	192 contacts →
	Exact match “CTL\|Thompson (CTL\|T) has been providing innovative engineering solutions throughout Colorado since 1971.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
2	Evstudio	Exact match	Denver, CO, United StatesHQ recorded Oct 9, 2026	51-200	98 contacts →
	Exact match “EVstudio is the architecture, engineering and surveying firm dedicated to giving you the high level of service you deserve for your project.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
3	S. A. Miro, INC	Exact match	Denver, CO, United StatesHQ recorded Oct 9, 2026	51-200	69 contacts →
	Exact match “At S.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
4	Triunity, INC	Exact match	Denver, CO, United StatesHQ recorded Oct 9, 2026	51-200	58 contacts →
	Exact match “Triunity is now Egis, combining program/project management, engineering, and construction management services with the technical expertise and innovation of a global leader.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
5	CEI Constructors	Exact match	Denver, CO, United StatesHQ recorded Oct 9, 2026	201-500	54 contacts →
	Exact match “CEI Constructors is built by our team’s unmatched dedication and talent that have been leading Colorado's heavy civil industry since 1986.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
6	Anchor Engineering, Inc. Denver CO	Exact match	Denver, CO, United StatesHQ recorded Oct 9, 2026	11-50	53 contacts →
	Exact match “We are a full service Structural Engineering firm with competency in the design of commercial, institutional, multi-family residential, mixed use, industrial, and modular…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
7	R&r Engineers-Surveyors, INC	Exact match	Denver, CO, United StatesHQ recorded Oct 9, 2026	51-200	51 contacts →
	Exact match “Founded in Denver, CO in 1988, R&R Engineers – Surveyors, Inc.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
8	Kilduff Underground Engineering, INC	Exact match	Denver, CO, United StatesHQ recorded Oct 9, 2026	51-200	41 contacts →
	Exact match “Kilduff Underground Engineering (KUE) was established in 2014 by Todd Kilduff, PE, to support contractors, A/E firms and owners.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
9	Level Engineering And Architecture	Exact match	Denver, CO, United StatesHQ recorded Oct 9, 2026	11-50	27 contacts →
	Exact match “Level Engineering is your local multidisciplinary team, structural and civil engineers, architects, and inspectors working on everything from residential to commercial and…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
10	YEH And Associates, INC	Exact match	Denver, CO, United StatesHQ recorded Oct 9, 2026	51-200	21 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
11	HIE Engineers & Builders	Exact match	Denver, CO, United StatesHQ recorded Oct 9, 2026	11-50	18 contacts →
	Exact match “HIE Engineers & Builders is a professional services firm providing services for architects, general contractors, property managers, investors, attorneys, insurance carriers, and…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
12	Terracina Design	Exact match	Denver, CO, United StatesHQ recorded Oct 9, 2026	11-50	17 contacts →
	Exact match “Terracina Design is a multi-disciplinary design firm providing Urban Planning, Civil Engineering, and Landscape Architecture services.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
13	DL Engineering INC	Exact match	Denver, CO, United StatesHQ recorded Oct 9, 2026	11-50	16 contacts →
	Exact match “Established in 2013, we are a full-service engineering services and consulting firm in Lakewood Colorado.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
14	Altitude Land Consultants, INC	Exact match	Denver, CO, United StatesHQ recorded Oct 9, 2026	11-50	15 contacts →
	Exact match “Altitude Land Consultants is a Full Service Engineering firm with offices in Denver, CO and Colorado Springs, CO.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
15	Proof Civil	Exact match	Denver, CO, United StatesHQ recorded Oct 9, 2026	1-10	12 contacts →
	Exact match “Proof Civil is a leading Civil Engineering consulting services firm for land development projects in the Rocky Mountain region.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
16	Apex Design	Exact match	Denver, CO, United StatesHQ recorded Oct 9, 2026	51-200	11 contacts →
	Exact match “In 2019, Apex became Consor Engineers, building on our expertise in transportation planning, traffic engineering, intelligent transportation systems, roadway/civil design…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
17	Craft Civil Design	Exact match	Denver, CO, United StatesHQ recorded Oct 9, 2026	1-10	9 contacts →
	Exact match “A civil engineering firm that helps communities thrive through leadership, collaboration, and effective solutions.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
18	Enertia Consulting Group, LLC	Exact match	Denver, CO, United StatesHQ recorded Oct 9, 2026	1-10	7 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
19	Enayat Schneider Smith	Exact match	Denver, CO, United StatesHQ recorded Oct 9, 2026	11-50	6 contacts →
	Exact match “Enayat Schneider Smith, a VCA Company, employs safe, cost-efficient and practical solutions for engineering challenges entrusted to us by our clients.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
20	Eugene Lynne	Exact match	Denver, CO, United StatesHQ recorded Oct 9, 2026	1-10	4 contacts →
	Exact match “Eugene Lynne is a Land Surveying and Civil Engineering Consulting Firm Focusing on Project Support Services.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
21	ZP Architects & Engineers	Exact match	Denver, CO, United StatesHQ recorded Oct 9, 2026	1-10	4 contacts →
	Exact match “ZP Architects & Engineers 2727 Bryant St, Suite 610, Denver CO, 80211 (303)-455-3322 ZP is the next generation of long-standing Architecture and Engineering firm, Zeiler-Pennock.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
22	Steamboat Structures LLC	Exact match	Denver, CO, United StatesHQ recorded Oct 9, 2026	1-10	2 contacts →
	Exact match “Steamboat Structures LLC is a structural engineering firm providing structural engineering design services for bridges, culverts and walls for owners in addition to temporary…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
23	Front Range Civil Engineering	Exact match	Denver, CO, United StatesHQ recorded Oct 9, 2026	1-10	2 contacts →
	Exact match “Providing entitlement support and civil engineering solutions for development and infrastructure projects up and down the Front Range.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
24	ERS Consulting Engineers	Exact match	Denver, CO, United StatesHQ recorded Oct 9, 2026	1-10	2 contacts →
	Exact match “ERS Consulting Engineers is a full service structural engineering firm with offices in Denver, CO and Grove City, PA.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
25	Civil Renewables, INC	Exact match	Denver, CO, United StatesHQ recorded Oct 9, 2026	1-10	1 contacts →
	Exact match “Civil Renewables, is a Colorado-based civil engineering firm that specializes in geotechnical engineering and foundation design, reliability-based design, and forensics.” Recorded in the RevenueBase company graph · Oct 9, 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 “civil engineering design 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 41 civil engineering design firms based in Denver, United States

See the full list, filter by size, metro and specialty, and access 471 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Civil engineering design firms based in Denver, United States at a glance

As of Oct 9, 2026

47.7%Verified-email coverage

24.1Average contacts per company

11-50Median size (employees)

Oct 9, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

Email recency for this list is measured across the whole United States list rather than for Denver, so it is reported there. Company counts and contact totals on this page are exact for Denver, over 41 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 Denver, United States whose business descriptions match “civil engineering design 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 471 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 9, 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.

Civil engineering design firms by metro in the United States

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 “civil engineering design firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many civil engineering design firms are there based in Denver, United States?

RevenueBase identified 41 company matches for civil engineering design firms associated with Denver, 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?

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

Which city in the United States has the most civil engineering design firms?

Houston leads the United States with 204 company records, followed by New York (161) and Austin (107). Denver has 41.

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 471 professional contacts with verified work emails tracked across these 41 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 9, 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.