Insights

Strategic Acquisitions Guarantee Electrical's acquisitions of Aschinger Electric and Berwick Electric broaden capabilities and customer bases, enabling cross-selling across projects and faster entry into new markets.

Proven Large Projects Award-winning performance on complex facilities such as the MEMC silicon wafer manufacturing site and recognition as a top specialty contractor position GECO as a credible partner for manufacturing campuses, civic projects, and critical facilities.

Energy Solutions A strong emphasis on energy solutions and low-voltage systems creates opportunities for energy efficiency retrofits, power monitoring, and EV infrastructure across existing facilities.

Regional Manufacturing Presence A St. Louis based contractor with Midwest manufacturing project experience signals ripe opportunities to expand with regional manufacturers and public-sector facilities in the Midwest.

One Stop MEP Full-service design-build, maintenance, emergency service and troubleshooting allows bundling of services into lifecycle contracts, appealing to general contractors and facilities managers seeking a single point of contact.

Guarantee Electrical Company Tech Stack

Guarantee Electrical Company uses 8 technology products and services including html5media, Cloudflare, Microsoft PowerPoint, and more. Explore Guarantee Electrical Company's tech stack below.

  • html5media
    Audio, Video, Graphics
  • Cloudflare
    Content Management System
  • Microsoft PowerPoint
    Editors
  • Hootsuite
    Marketing
  • Dell Latitude
    Network Hardware
  • SiteGround
    Platform As A Service
  • Microsoft Teams
    Team Collaboration
  • Adobe Creative Suite
    Visualisation Software

Media & News

Guarantee Electrical Company's Email Address Formats

Guarantee Electrical Company uses at least 1 format(s):
Guarantee Electrical Company Email FormatsExamplePercentage
First.Last@geco.comJohn.Doe@geco.com
73%
LastF@geco.comDoeJ@geco.com
15%
FLast@geco.comJDoe@geco.com
9%
FirstLast@geco.comJohnDoe@geco.com
3%

Frequently Asked Questions

Where is Guarantee Electrical Company's headquarters located?

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Guarantee Electrical Company's main headquarters is located at 3405 Bent Avenue St. Louis, Missouri 63116 United States. The company has employees across 4 continents, including North AmericaAsiaAfrica.

What is Guarantee Electrical Company's phone number?

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You can contact Guarantee Electrical Company's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is Guarantee Electrical Company's official website and social media links?

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Guarantee Electrical Company's official website is geco.com and has social profiles on LinkedIn.

What is Guarantee Electrical Company's NAICS code?

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Guarantee Electrical Company's NAICS code is 23 - Construction.

How many employees does Guarantee Electrical Company have currently?

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As of June 2026, Guarantee Electrical Company has approximately 468 employees across 4 continents, including North AmericaAsiaAfrica. Key team members include Chief Executive Officer: R. L.Chief Construction Officer: D. G.Chief People Officer: S. H.. Explore Guarantee Electrical Company's employee directory with LeadIQ.

What industry does Guarantee Electrical Company belong to?

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Guarantee Electrical Company operates in the Construction industry.

What technology does Guarantee Electrical Company use?

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Guarantee Electrical Company's tech stack includes html5mediaCloudflareMicrosoft PowerPointHootsuiteDell LatitudeSiteGroundMicrosoft TeamsAdobe Creative Suite.

What is Guarantee Electrical Company's email format?

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Guarantee Electrical Company's email format typically follows the pattern of First.Last@geco.com. Find more Guarantee Electrical Company email formats with LeadIQ.

When was Guarantee Electrical Company founded?

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Guarantee Electrical Company was founded in 1902.

Guarantee Electrical Company

ConstructionMissouri, United States201-500 Employees

Guarantee Electrical Company is a U.S.-based electrical contracting firm in the construction industry, headquartered at 3405 Bent Avenue, St. Louis, Missouri 63116. The company employs between 201 and 500 people. Since 1902, it has provided a range of electrical contracting services, including new construction, design-build, low-voltage systems, energy solutions, emergency service, building maintenance, and troubleshooting. The firm has received industry recognition for their work, including an AGC Keystone Award for the MEMC Silicon Wafer Manufacturing Facility in St. Charles, Missouri, and ENR recognition as a top specialty contractor; it was a finalist in the 2023 AGC Construction Keystone Awards for the TD4/GECO joint venture on the Missouri Botanical Garden project. The company expanded through acquisitions in 2021, acquiring Aschinger Electric Co. and Berwick Electric.

Section iconCompany Overview

Headquarters
3405 Bent Avenue St. Louis, Missouri 63116 United States
Phone number
Website
geco.com
NAICS Code
23 - Construction
Founded
1902
Employees
201-500

Section iconFunding & Financials

  • $100M$250M

    Guarantee Electrical Company's revenue is estimated to be in the range of $100M$250M

Section iconFunding & Financials

  • $100M$250M

    Guarantee Electrical Company's revenue is estimated to be in the range of $100M$250M

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