The U.S. Air Force at Ellsworth AFB is conducting market research under FAR Part 10 to identify possible sources for Elevator Maintenance Services for buildings at Ellsworth AFB. Requirement details and instructions are provided in a Sources Sought attachment and a draft Performance Work Statement for Elevator Maintenance Services. The anticipated NAICS code is 811310 and the Product Code is J035. Services are to be performed at Ellsworth AFB.