The Department of Homeland Security, specifically the U.S. Coast Guard, is seeking qualified contractors for the cleaning of HVAC ductwork in the UPH Building at USCG Base Portsmouth, Virginia. This procurement is a Total Small Business Set-Aside, aimed at ensuring that small businesses can compete for the contract, which falls under the NAICS code 561790, categorized as "Other Services to Buildings and Dwellings." The cleaning of HVAC systems is crucial for maintaining air quality and operational efficiency within government facilities. Interested parties can reach out to Marketplace Support at MarketplaceSupport@unisonglobal.com or by phone at 1-877-933-3243 for further details regarding the solicitation process.