Insights

Growing Market Presence EFS Energy has successfully installed over 3 MW of solar capacity across the Midwest, indicating strong regional expertise and an expanding customer base in commercial and agricultural sectors, which presents ongoing opportunities for additional solar installations and maintenance services.

Financing Collaboration The partnership with Sunstone Credit enables flexible financing options for large-scale solar projects, opening doors for potential clients who seek customized financing solutions, thereby increasing sales prospects for solar system installations.

Service Diversification In addition to solar installations, EFS Energy offers LED lighting upgrades, construction management, and operations and maintenance services, allowing cross-selling opportunities for energy efficiency projects and ongoing system support contracts.

Midwest Focus Located in St. Louis with a dedicated focus on the Midwest market, EFS Energy's regional expertise can be leveraged to target nearby commercial and agricultural entities interested in renewable energy solutions, providing a competitive edge in local outreach.

Potential for Scale With revenue estimated between 25 and 50 million dollars and a lean team of 11 to 50 employees, EFS Energy has growth potential for larger projects and expanded service offerings, making it a prime candidate for strategic partnerships and enterprise-level sales efforts.

EFS Energy Tech Stack

EFS Energy uses 8 technology products and services including Gravatar, Cloudflare CDN, Module Federation, and more. Explore EFS Energy's tech stack below.

  • Gravatar
    Audio, Video, Graphics
  • Cloudflare CDN
    Content Delivery Network
  • Module Federation
    Development
  • Chart.js
    Javascript Graphics
  • Microsoft
    Miscellaneous
  • Yoast SEO
    Search Engines
  • HTTP/3
    Web & Portal Technology
  • Apache HTTP Server
    Web Servers

EFS Energy's Email Address Formats

EFS Energy uses at least 1 format(s):
EFS Energy Email FormatsExamplePercentage
First.Last@efsenergy.comJohn.Doe@efsenergy.com
46%
First@efsenergy.comJohn@efsenergy.com
4%
First.Last@efsenergy.comJohn.Doe@efsenergy.com
46%
First@efsenergy.comJohn@efsenergy.com
4%

Frequently Asked Questions

Where is EFS Energy's headquarters located?

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EFS Energy's main headquarters is located at 3407 S Jefferson Ave, St Louis, Missouri 63118, US. The company has employees across 2 continents, including North AmericaAfrica.

What is EFS Energy's phone number?

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You can contact EFS Energy'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 EFS Energy's official website and social media links?

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EFS Energy's official website is efsenergy.com and has social profiles on LinkedIn.

What is EFS Energy's SIC code NAICS code?

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EFS Energy's SIC code is 4939 - Combination Utilities, Not Elsewhere Classified NAICS code is 221114 - Solar Electric Power Generation.

How many employees does EFS Energy have currently?

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As of December 2025, EFS Energy has approximately 16 employees across 2 continents, including North AmericaAfrica. Key team members include Chief Operating Officer: E. S. S.Chief Systems Engineer: J. M.Office Manager And Executive Assistant To Chief Executive Officer - Oil And Gas Company: C. B.. Explore EFS Energy's employee directory with LeadIQ.

What industry does EFS Energy belong to?

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EFS Energy operates in the Solar Electric Power Generation industry.

What technology does EFS Energy use?

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EFS Energy's tech stack includes GravatarCloudflare CDNModule FederationChart.jsMicrosoftYoast SEOHTTP/3Apache HTTP Server.

What is EFS Energy's email format?

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EFS Energy's email format typically follows the pattern of First.Last@efsenergy.com. Find more EFS Energy email formats with LeadIQ.

When was EFS Energy founded?

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EFS Energy was founded in 2011.

EFS Energy

Solar Electric Power GenerationUnited States11-50 Employees

As the premier solar panel installation experts in St. Louis and the Midwest, EFS Energy, Inc. strives to help our customers achieve energy independence by reducing use and generating clean, renewable energy. Specializing in commercial and agricultural solar photovoltaic installations, our team has the experience and skill to design and install a custom system based on each individual customers needs.

EFS Energy has installed over 3 MW of solar power across the Midwest to date and has expanded our services into LED Lighting upgrades, construction management, and O&M services.

Call us today for a free solar proposal and consultation at 314-771-5131 or check out our website for more information at www.efsenergy.com.

Section iconCompany Overview

Headquarters
3407 S Jefferson Ave, St Louis, Missouri 63118, US
Phone number
SIC Code
4939 - Combination Utilities, Not Elsewhere Classified
NAICS Code
221114 - Solar Electric Power Generation
Founded
2011
Employees
11-50

Section iconFunding & Financials

  • $25M$50M

    EFS Energy's revenue is estimated to be in the range of $25M$50M

Section iconFunding & Financials

  • $25M$50M

    EFS Energy's revenue is estimated to be in the range of $25M$50M

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