SOURCES SOUGHT – Dell Wyse Clients The Peterson Space Force Base (PSFB) 21st Contracting Squadron is requesting information from vendors that provide the subject list of parts. The North American Indu... SOURCES SOUGHT – Dell Wyse Clients The Peterson Space Force Base (PSFB) 21st Contracting Squadron is requesting information from vendors that provide the subject list of parts. The North American Industry Classification System (NAICS) code is 334111 Electronic Computer Manufacturing, and the small business size standard is 1,250 Employees.