This is a $199,748.65 firm fixed-price delivery order for WWTP (Wastewater Treatment Plant) consulting services, awarded to SIA Solutions LLC, doing business as Salas O'Brien Federal Division, under an 8(a) sole source designation. The contracting agency is the Air National Guard, a defense agency. The contract has an ultimate completion date of September 29, 2021. SIA Solutions is a small, disadvantaged business that provides a range of professional services to federal agencies, including engineering, environmental consulting, and logistics support. This award is part of SIA Solutions' work under several indefinite delivery vehicles (IDVs), including the $50 billion OASIS SB contract, as well as specific IDCs with the Joint Munitions Command and Army Corps of Engineers for handling radioactive/hazardous materials and immigration/logistics support, respectively. The company also holds a $45 million Blanket Purchase Agreement through the GSA Multiple Award Schedule for flexible engineering services.