Project Apollo "Principal Prime Contractors and Subcontractors" booklet published by NASA, 23 pages, 10.5 x 7.75, listing all principal prime contractors and subcontractors directly involved in the flight hardware, launch support, mission control, and communications and data acquisition associated with the Apollo 11 lunar landing mission. The list is organized by hardware type, and lists the numerous contractors involved with the many Apollo spacecraft systems. In fine condition.