Company lists · Data refreshed October 2026

Top 21 Electrical engineering consultants based in St. Louis, United States

Name: Electrical engineering consultants 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 12, 2026 35 companies tracked

RevenueBase identified 35 company matches for electrical engineering consultants associated with St. Louis, United States as of October 2026 and tracks 1,979 professional contacts across them, including 1,100 with verified work emails. Across the United States, Houston is the largest hub for this category (180 companies); St. Louis has 35.

This list covers company matches for electrical engineering consultants 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 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

35Companies

1,979Contacts tracked

1,100Verified emails

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The 21 largest electrical engineering consultants based in St. Louis, United States

Ranked by team size

Top 21 of 35 company matches for electrical engineering consultants based in St. Louis, 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	Guarantee Electrical Company	Exact match	St. Louis, MO, United StatesHQ recorded Oct 12, 2026	501-1,000	447 contacts →
	Exact match “A full-service electrical contractor since 1902, providing capability, performance, and legendary innovation in new construction, design-build, low-voltage systems, energy…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
2	Paynecrest Electric	Exact match	St. Louis, MO, United StatesHQ recorded Oct 12, 2026	501-1,000	235 contacts →
	Exact match “Our roots as a company flourished in St.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
3	Trileaf Corporation	Exact match	St. Louis, MO, United StatesHQ recorded Oct 12, 2026	201-500	226 contacts →
	Exact match “Quality work and quick responses - Trileaf gives you both.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
4	Mcclure Engineering-St. Louis MEP	Exact match	St. Louis, MO, United StatesHQ recorded Oct 12, 2026	51-200	137 contacts →
	Exact match “McClure Engineering is a Mechanical and Electrical Consulting Engineering firm dedicated to the development of innovative solutions for the unique engineering needs of our clients.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
5	Luzco Technologies LLC	Exact match	St. Louis, MO, United StatesHQ recorded Oct 12, 2026	51-200	137 contacts →
	Exact match “LUZCO’s team of knowledgeable experts will strategically guide your team through each step of the process and help you develop innovative strategies, improve efficiency, enhance…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
6	CDG Engineers, INC	Exact match	St. Louis, MO, United StatesHQ recorded Oct 12, 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 12, 2026 · View company records in RevenueBase
7	CCI	Exact match	St. Louis, MO, United StatesHQ recorded Oct 12, 2026	51-200	102 contacts →
	Exact match “Code Consultants, Inc.(CCI) is an engineering and consulting firm providing a diverse range of design and consultation services since 1973: Fire protection & life safety code…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
8	Bhmg Engineers, INC	Exact match	St. Louis, MO, United StatesHQ recorded Oct 12, 2026	51-200	95 contacts →
	Exact match “BHMG is a leading provider of utility-focused engineering and consulting services headquartered in St.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
9	Case Engineering, INC	Exact match	St. Louis, MO, United StatesHQ recorded Oct 12, 2026	51-200	74 contacts →
	Exact match “The principals at Case Engineering, Inc.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
10	Reinhold Electric INC	Exact match	St. Louis, MO, United StatesHQ recorded Oct 12, 2026	501-1,000	64 contacts →
	Exact match “Reinhold Electric is a family‑owned electrical contractor serving the nation since 1976.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
11	Schaeffer Electric Co., INC	Exact match	St. Louis, United StatesHQ recorded Oct 12, 2026	51-200	56 contacts →
	Exact match “Residential, commercial, industrial and institutional electrical contracting engineers.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
12	Solutions AEC	Exact match	St. Louis, MO, United StatesHQ recorded Oct 12, 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 12, 2026 · View company records in RevenueBase
13	Habco Partnership, INC	Exact match	St. Louis, MO, United StatesHQ recorded Oct 12, 2026	51-200	23 contacts →
	Exact match “Habco Electrical Contractors is a leading full-service design/build company dedicated to excellence in electrical services and construction.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
14	Compass Electrical Solutions	Exact match	St. Louis, MO, United StatesHQ recorded Oct 12, 2026	11-50	17 contacts →
	Exact match “Compass Electrical Solutions is a St.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
15	Webb Engineering Services, INC	Exact match	St. Louis, MO, United StatesHQ recorded Oct 12, 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 12, 2026 · View company records in RevenueBase
16	The Nowak Group	Exact match	St. Louis, MO, United StatesHQ recorded Oct 12, 2026	1-10	7 contacts →
	Exact match “Tony Nowak provides recruiting and consulting services to Electrical Testing, Engineering, and Transformer Service companies.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
17	ECS	Exact match	St. Louis, MO, United StatesHQ recorded Oct 12, 2026	1-10	7 contacts →
	Exact match “ECS is a full-service mechanical, electrical, plumbing, fire protection and telecommunication consulting engineering firm.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
18	Dimaggio Electric, INC	Exact match	St. Louis, United StatesHQ recorded Oct 12, 2026	1-10	6 contacts →
	Exact match “Electrical Contracting services including Design/Build, Data Centers, Emergency Power Systems and more.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
19	Ritter Safety And Facility Support	Exact match	St. Louis, MO, United StatesHQ recorded Oct 12, 2026	1-10	4 contacts →
	Exact match “Our services include Electrical Safety Training, Consulting, Written Program Development and Personalized Electrical PPE Sales.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
20	Allen Designs, LLC	Exact match	St. Louis, MO, United StatesHQ recorded Oct 12, 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 12, 2026 · View company records in RevenueBase
21	Alkemeyer & Associates, LLC	Exact match	St. Louis, MO, United StatesHQ recorded Oct 12, 2026	1-10	2 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 “electrical engineering consultants”. 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 21 of 35 electrical engineering consultants based in St. Louis, United States

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Electrical engineering consultants based in St. Louis, United States at a glance

As of Oct 12, 2026

55.6%Verified-email coverage

56.5Average contacts per company

11-50Median size (employees)

Oct 12, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

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 35 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 “electrical engineering consultants” 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 1,100 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.

Electrical engineering consultants 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 “electrical engineering consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many electrical engineering consultants are there based in St. Louis, United States?

RevenueBase identified 35 company matches for electrical engineering consultants 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?

Guarantee Electrical Company 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 electrical engineering consultants?

Houston leads the United States with 180 company records, followed by New York (119) and Austin (66). St. Louis has 35.

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 1,100 professional contacts with verified work emails tracked across these 35 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.