This opportunity is a total set-aside for Service-Disabled Veteran-Owned Small Businesses (SDVOSBs) requiring Automatic Transfer Switch (ATS) maintenance services at the Dayton VA Medical Center. All vendors must be certified in SAM.gov and registered in the System for Award Management database. The associated NAICS code is 238210 (Electrical Contractors) with a $19 million small business size standard. No specific budget amounts or submission timelines are mentioned in the description. Performance will occur at the Dayton VA Medical Center.