The USGS is conducting market research via a sources sought notice to identify parties capable of replacing failed high-pressure pumps and check valves in a Powerex nitrogen generator compressor, including debris clean-out and restoration to full operation. The contractor must use manufacturer-certified parts and complete the work within 10 business days of Notice to Proceed. The applicable NAICS code is 811310. No budget amount is specified in the notice. This is not a solicitation; responses are voluntary and will inform potential small business set-aside or full-and-open competition.