This is a Sources Sought/RFI for market research, not a solicitation, and no contract will be awarded from it. The 11th Contracting Squadron is assessing industry interest and capability for a potential IDIQ MACC program at Joint Base Anacostia-Bolling, DC, and Andrews AFB, MD, contemplated as a 100% competitive 8(a) set-aside with up to ten awards. Work covers broad maintenance, repair, minor/complex construction, design-build and related delivery methods, hazardous material abatement, HVAC, electrical, mechanical, and other trades, with in-house or ready access to design capability required. Individual task orders may range from $350,000 to $50,000,000, with a program not-to-exceed value of $900,000,000 over ten years and a guaranteed minimum of $2,500 for the first task order only for other successful awardees. Interested firms should be SAM-registered and prepare capability statements covering company/socioeconomic status, teaming, design/A-E capability, surge capacity, past performance, bonding, and recommendations.