This dataset contains 350,000+ unique records of B2B transactions between US federal contractors and their subcontractors. Each transaction offers information about the awarding agency and sub-agency, the funding agency and sub-agency, the prime contractor and its subcontractor(s), as well as description, duration, and value of the prime contract and subcontract. The dataset includes information on 60,000+ companies (~1000 PLCs), each ticker/tax-ID mapped. Analyze the indirect material revenue flows of public and private companies via subcontracting relationships.