2 energy efficiency services businesses recently registered in Denver, Colorado.
This page lists new energy efficiency services businesses registered in Denver, Colorado. We currently track 2, sourced directly from the Colorado Division of Corporations and refreshed daily as new energy efficiency services companies file.
Recent additions include HSGS-Ameresco, LLC and Energy Efficiency Services Inc.. The most recent energy efficiency services filing was on Jan 13, 2026.
Each entry shows the filing date and, where we can verify it, the owner name and contact details. If you sell to energy efficiency services businesses in Denver, this is one of the freshest prospect lists in the market.
HSGS-Ameresco LLC is a Service-Disabled Veteran-Owned small business providing energy efficiency, generation, and controls solutions for federal agencies, notably the VA. They recently completed a $10.9M water resiliency microgrid project at White Sands Missile Range (per press release). The business operates from Summerville, SC, as indicated on their website, while the LLC filing lists a Denver, CO address (likely registered agent).
Energy Efficiency Services Inc. operates as a provider of home energy efficiency solutions, including insulation, air sealing, and energy audits, based in the Denver, Colorado metro area. The business is associated with CO Home Service, which shares a similar service focus and local presence. The filing address in Denver and candidate W2's Lakewood, CO location and 303 area code support a local operation.
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