The U.S. Geological Survey (USGS) is seeking qualified businesses for a service maintenance agreement on a TESCAN MIRA4 Scanning Electron Microscope. This is a sources sought notice for market research only, not a request for proposals, and the government will not pay for response costs. Responses must be submitted via email to Anthony_berry@ios.doi.gov by June 15th, 2026, at 8 AM Pacific time. The applicable NAICS code is 811210, with a size standard of $34.0 million. No budget amount or performance location is specified in the description.