This is a combined synopsis and solicitation for commercial items, requesting quotes for annual preventive maintenance on an emergency backup generator with four option years. The acquisition is unrestricted and not set aside for small businesses, with NAICS code 811310 and a small business size standard of $12.5 million. Interested vendors must be active and registered in SAM.gov, and payment will be processed through the Department of the Treasury's Invoice Processing Platform. Quotes must be submitted electronically and include detailed specifications demonstrating the capability to perform the required maintenance.