Raymond Chapman

Raymond Chapman, doing business as Ray Chapman & Associates, is a for-profit sole proprietorship registered in SAM.gov since 2002 with an active registration through September 16, 2025. The company specializes in providing advanced modeling and expert services primarily to defense-related federal agencies, with a particular focus on geophysical and hydrodynamic modeling techniques. While specific details about the company's founding or background are not provided, the vendor has consistently demonstrated expertise in complex scientific and engineering modeling services for government agencies.

Ray Chapman & Associates has been awarded multiple federal contracts through the U.S. Army Corps of Engineers, specifically focusing on specialized modeling services. The most recent contract, awarded on August 19, 2024, is a $209,944.00 firm-fixed-price purchase order for GSMB (Geophysical Scale Multi-Block) modeling services with a performance period through March 18, 2027. Previous contracts include a $237,770.00 purchase order from the Corps of Engineers Civil Works for developing and applying the Geophysical Scale Multi-Block Modeling System, and a $39,706.80 contract for Great Lakes Hydrodynamic Modeling Expert Services. These contracts were all awarded directly to the company as prime contracts, were not set aside for specific business categories, and were primarily executed through defense-related agencies, with performance locations including Vicksburg, Mississippi. The consistent theme across these contracts is the provision of advanced scientific modeling services, particularly in hydrological and geophysical domains.