Company lists · Data refreshed October 2026

Top 25 Cad design and engineering firms based in St. Louis, United States

Name: Cad design and engineering firms based in St. Louis, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 9, 2026 34 companies tracked

RevenueBase identified 34 company matches for cad design and engineering firms associated with St. Louis, United States as of October 2026 and tracks 3,009 professional contacts across them, including 1,592 with verified work emails. Across the United States, New York is the largest hub for this category (146 companies); St. Louis has 34.

This list covers company matches for cad design and engineering firms associated with St. Louis, 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

34Companies

3,009Contacts tracked

1,592Verified emails

Explore this list → Free signup · no credit card · 500 free credits

The 25 largest cad design and engineering firms based in St. Louis, United States

Ranked by team size

Top 25 of 34 company matches for cad design and engineering firms based in St. Louis, 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	BW Design Group	Exact match	St. Louis, MO, United StatesHQ recorded Oct 9, 2026	1,001-5,000	1,662 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 · Oct 9, 2026 · View company records in RevenueBase
2	International Design Services, INC	Exact match	St. Louis, MO, United StatesHQ recorded Oct 9, 2026	501-1,000	297 contacts →
	Exact match “International Design Services, Inc.(IDS) strives to be a leader in detailing and connection design by providing the highest quality of details quickly and efficiently.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
3	Trileaf Corporation	Exact match	St. Louis, MO, United StatesHQ recorded Oct 9, 2026	201-500	226 contacts →
	Exact match “Quality work and quick responses - Trileaf gives you both.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
4	CDG Engineers, INC	Exact match	St. Louis, MO, United StatesHQ recorded Oct 9, 2026	51-200	114 contacts →
	Exact match “CDG Engineers is a full service, multi-discipline professional services organization with capabilities in civil, structural, electrical and mechanical engineering, as well as…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
5	CD Companies	Exact match	St. Louis, MO, United StatesHQ recorded Oct 9, 2026	51-200	103 contacts →
	Exact match “Founded in 1959, CD Companies has a rich history of Engineering and Architecture services.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
6	Cole & Associates	Exact match	St. Louis, MO, United StatesHQ recorded Oct 9, 2026	51-200	100 contacts →
	Exact match “Cole focuses on providing civil engineering, surveying, planning, landscape architecture, GIS, and ADA transition planning services of the highest professional caliber to…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
7	Cochran	Exact match	St. Louis, MO, United StatesHQ recorded Oct 9, 2026	51-200	79 contacts →
	Exact match “Cochran is a growing, multi-location Civil Engineering/Land Surveying firm currently ranked #11 among the Largest Engineering Firms in the St.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
8	Case Engineering, INC	Exact match	St. Louis, MO, United StatesHQ recorded Oct 9, 2026	51-200	74 contacts →
	Exact match “The principals at Case Engineering, Inc.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
9	Arcvision Incorporated	Exact match	St. Louis, MO, United StatesHQ recorded Oct 9, 2026	51-200	72 contacts →
	Exact match “Founded in 1995 by Doug Ashdown and Fred Goglia, ArcVision Inc.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
10	Solutions AEC	Exact match	St. Louis, MO, United StatesHQ recorded Oct 9, 2026	11-50	29 contacts →
	Exact match “Solutions AEC is a full-service Mechanical, Plumbing, Electrical Engineering and Commissioning design and construction company with offices in St.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
11	Casco Architecture & Engineering	Exact match	St. Louis, MO, United StatesHQ recorded Oct 9, 2026	51-200	23 contacts →
	Exact match “CASCO is a national full-service architecture, engineering, and design firm.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
12	Architectural Design Guild	Exact match	St. Louis, MO, United StatesHQ recorded Oct 9, 2026	11-50	22 contacts →
	Exact match “Architectural Design Guild was founded in 1981 as a multi-disciplinary firm providing architecture, engineering (mechanical, electrical, plumbing), and interior design.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
13	Kdg, A Division Of Shive-Hattery, INC	Exact match	St. Louis, MO, United StatesHQ recorded Oct 9, 2026	11-50	19 contacts →
	Exact match “KdG, a division of Shive-Hattery, Inc, was founded in 1974, and is a full-service design firm organized into four divisions: architecture, interiors, civil engineering, and land…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
14	Apex Structural Engineering	Exact match	St. Louis, MO, United StatesHQ recorded Oct 9, 2026	11-50	16 contacts →
	Exact match “Apex Structural Engineering is dedicated to delivering innovative, high-quality structural design services for the construction industry.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
15	Frontenac Engineering Group	Exact match	St. Louis, MO, United StatesHQ recorded Oct 9, 2026	11-50	14 contacts →
	Exact match “At Frontenac Engineering, we design and implement solutions, not just projects.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
16	Anvil Engineering	Exact match	St. Louis, MO, United StatesHQ recorded Oct 9, 2026	1-10	11 contacts →
	Exact match “Anvil was formally established by ACME Constructors in 2015 following the success of over 10 years of completing design–build projects.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
17	Webb Engineering Services, INC	Exact match	St. Louis, MO, United StatesHQ recorded Oct 9, 2026	11-50	11 contacts →
	Exact match “Webb Engineering Services, Inc.(WES) is an engineering consulting firm that provides high-quality mechanical, electrical, plumbing, and fire protection design services.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
18	Hoener Architects	Exact match	St. Louis, MO, United StatesHQ recorded Oct 9, 2026	11-50	8 contacts →
	Exact match “Hoener Architects is a full-service architectural firm providing complementary and professional solutions to our clients.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
19	Triteq INC	Exact match	St. Louis, MO, United StatesHQ recorded Oct 9, 2026	11-50	8 contacts →
	Exact match “TRITEQ provides structural engineering, drafting, and design services to contractors, architects, owners, and manufacturers in the exterior building envelope industry.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
20	Structures, INC	Exact match	St. Louis, MO, United StatesHQ recorded Oct 9, 2026	11-50	8 contacts →
	Exact match “Structures, Inc, is a consulting engineering firm providing structural design and engineering services to the commercial, industrial, municipal and institutional construction…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
21	Objex Design	Exact match	St. Louis, MO, United StatesHQ recorded Oct 9, 2026	1-10	5 contacts →
	Exact match “Objex Design is a Saint Louis based design firm that provides Industrial Design and Mechanical Engineering services that spans a variety of industries including, industrial…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
22	Mcginnis & Associates Consulting Engineers, INC	Exact match	St. Louis, MO, United StatesHQ recorded Oct 9, 2026	1-10	5 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
23	Civil Engineering Design Consultants, INC	Exact match	St. Louis, MO, United StatesHQ recorded Oct 9, 2026	1-10	4 contacts →
	Exact match “CEDC is a St.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
24	Allen Designs, LLC	Exact match	St. Louis, MO, United StatesHQ recorded Oct 9, 2026	11-50	3 contacts →
	Exact match “Allen Designs, LLC is a design and consultant firm that provides services for engineering firms, contractors, construction companies, and residential property owners.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
25	Alkemeyer & Associates, LLC	Exact match	St. Louis, MO, United StatesHQ recorded Oct 9, 2026	1-10	2 contacts →
	Exact match Recorded description not available. 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 “cad design and engineering 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 34 cad design and engineering firms based in St. Louis, United States

See the full list, filter by size, metro and specialty, and access 1,592 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Cad design and engineering firms based in St. Louis, United States at a glance

As of Oct 9, 2026

52.9%Verified-email coverage

88.5Average contacts per company

11-50Median size (employees)

Oct 9, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

Email recency for this list is measured across the whole United States list rather than for St. Louis, so it is reported there. Company counts and contact totals on this page are exact for St. Louis, over 34 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 St. Louis, United States whose business descriptions match “cad design and engineering 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 1,592 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.

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

How many cad design and engineering firms are there based in St. Louis, United States?

RevenueBase identified 34 company matches for cad design and engineering firms associated with St. Louis, 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?

BW Design Group 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 cad design and engineering firms?

New York leads the United States with 146 company records, followed by Houston (118) and Dallas (66). St. Louis has 34.

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 1,592 professional contacts with verified work emails tracked across these 34 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.

Ready to reach these companies? Verified emails and direct dials for all 34 cad design and engineering firms based in St. Louis, United States. Start with a free account, no credit card.

Download this list →

Related lists

Cad design and engineering firms by geography

Browse the directory

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.