Company lists · Data refreshed November 2026

Top 22 Electrical systems integrators based in St. Louis, United States

Name: Electrical systems integrators based in St. Louis, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 36 companies tracked

RevenueBase identified 36 company matches for electrical systems integrators associated with St. Louis, United States as of November 2026 and tracks 2,160 professional contacts across them, including 1,318 with verified work emails. Across the United States, Houston is the largest hub for this category (218 companies); St. Louis has 36.

This list covers company matches for electrical systems integrators 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 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

36Companies

2,160Contacts tracked

1,318Verified emails

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The 22 largest electrical systems integrators based in St. Louis, United States

Ranked by team size

Top 22 of 36 company matches for electrical systems integrators based in St. Louis, 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	Archkey Solutions	Exact match	St. Louis, MO, United StatesHQ recorded Nov 6, 2026	1,001-5,000	928 contacts →
	Exact match “ArchKey, one of the largest privately held specialty trade installation and facilities services companies in the United States, is a leader in designing, building, and maintaining…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	Guarantee Electrical Company	Exact match	St. Louis, MO, United StatesHQ recorded Nov 6, 2026	501-1,000	453 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 · Nov 6, 2026 · View company records in RevenueBase
3	Paynecrest Electric	Exact match	St. Louis, MO, United StatesHQ recorded Nov 6, 2026	501-1,000	241 contacts →
	Exact match “Our roots as a company flourished in St.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	Schaeffer Electric Co., INC	Exact match	St. Louis, United StatesHQ recorded Nov 6, 2026	51-200	57 contacts →
	Exact match “Residential, commercial, industrial and institutional electrical contracting engineers.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	Controltech Automation	Exact match	St. Louis, MO, United StatesHQ recorded Nov 6, 2026	51-200	55 contacts →
	Exact match “ControlTech Automation is a world-class electrical equipment manufacturer that provides industrial control panels and process solutions for packaging, process, facilities…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	Coltrane Systems LLC	Exact match	St. Louis, MO, United StatesHQ recorded Nov 6, 2026	51-200	54 contacts →
	Exact match “Coltrane Systems is an international IBEW company based in St.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	Streib Company	Exact match	St. Louis, MO, United StatesHQ recorded Nov 6, 2026	51-200	52 contacts →
	Exact match “Streib Company is a St.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	Talisen Technologies, INC	Exact match	St. Louis, MO, United StatesHQ recorded Nov 6, 2026	51-200	46 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	Automation & Control Concepts	Exact match	St. Louis, MO, United StatesHQ recorded Nov 6, 2026	51-200	40 contacts →
	Exact match “ACC employs over 50 engineers with extensive systems integration experience in the areas of electrical design, PLC programming, HMI/SCADA design, MES data collection and analysis.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	Reinhold Electric, INC	Exact match	St. Louis, MO, United StatesHQ recorded Nov 6, 2026	51-200	27 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	Habco Partnership, INC	Exact match	St. Louis, MO, United StatesHQ recorded Nov 6, 2026	51-200	26 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 · Nov 6, 2026 · View company records in RevenueBase
12	Will Electronics	Exact match	St. Louis, MO, United StatesHQ recorded Nov 6, 2026	11-50	26 contacts →
	Exact match “Will Electronics is a security integrator in St.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	Eagle Controls	Exact match	St. Louis, MO, United StatesHQ recorded Nov 6, 2026	11-50	22 contacts →
	Exact match “An Introduction to eagle Controls: Allow us to introduce eagle Controls (formerly Eagle Energy, Inc.).” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	Compass Electrical Solutions	Exact match	St. Louis, MO, United StatesHQ recorded Nov 6, 2026	11-50	16 contacts →
	Exact match “Compass Electrical Solutions is a St.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	Integration Controls	Exact match	St. Louis, MO, United StatesHQ recorded Nov 6, 2026	11-50	10 contacts →
	Exact match “Integration Controls provides tailored technology solutions for home and business owners that enhance and simplify life.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Controlco INC	Exact match	St. Louis, MO, United StatesHQ recorded Nov 6, 2026	1-10	10 contacts →
	Exact match “A recognized leader in HVAC control system installation, integration, and modernization services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	PCS Energy	Exact match	St. Louis, MO, United StatesHQ recorded Nov 6, 2026	11-50	8 contacts →
	Exact match “PCS is a licensed electrical contractor focusing on energy efficiency solutions for commercial and industrial customers.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	Electronic Systems Support, INC	Exact match	St. Louis, MO, United StatesHQ recorded Nov 6, 2026	1-10	8 contacts →
	Exact match “Audio Video Systems Integrator for Corporate, Maritime, Education, Small Business, House of Worship, Hospitality, Experiential Marketing, and Casino markets.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	Dimaggio Electric, INC	Exact match	St. Louis, United StatesHQ recorded Nov 6, 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 · Nov 6, 2026 · View company records in RevenueBase
20	Midwest Industrial Concepts	Exact match	St. Louis, MO, United StatesHQ recorded Nov 6, 2026	1-10	3 contacts →
	Exact match “Midwest Industrial Concepts is a System Integrator specializing in Material Handling Systems for the Warehousing, Distribution, Pharmaceutical and Manufacturing Industries.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	Show ME Electrical Services	Exact match	St. Louis, MO, United StatesHQ recorded Nov 6, 2026	1-10	3 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	Walbrandt Electric	Exact match	St. Louis, MO, United StatesHQ recorded Nov 6, 2026	11-50	2 contacts →
	Exact match “Walbrandt Electric is St.” 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 “electrical systems integrators”. 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 22 of 36 electrical systems integrators based in St. Louis, United States

See the full list, filter by size, metro and specialty, and access 1,318 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Electrical systems integrators based in St. Louis, United States at a glance

As of Nov 6, 2026

61.0%Verified-email coverage

60.0Average contacts per company

11-50Median size (employees)

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

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 36 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 systems integrators” 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 1,318 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.

Electrical systems integrators 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 systems integrators”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many electrical systems integrators are there based in St. Louis, United States?

RevenueBase identified 36 company matches for electrical systems integrators associated with St. Louis, 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?

Archkey Solutions 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 systems integrators?

Houston leads the United States with 218 company records, followed by New York (117) and Miami (85). St. Louis has 36.

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 1,318 professional contacts with verified work emails tracked across these 36 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.