This is a Sources Sought notice for market research purposes, not a solicitation or request for proposals, regarding X-Ray Diffraction Instrument Re-installation services. The applicable NAICS code is 811210 with a $34 million size standard, and the government is interested in responses from all small business categories including 8(a), HUBZone, Service-Disabled Veteran-Owned, and Women-Owned concerns. Interested parties are asked to submit a qualifications summary, relevant experience from the past three years, and any teaming arrangements that clearly delineate prime versus partner work. No questions will be entertained, and no contract award will result from this notice. Performance location and budget amounts are not specified.