Compass Instruments Inc.,* Sugar Grove, Illinois, has been awarded a maximum $11,382,910 firm-fixed-price, indefinite-delivery/indefinite-quantity long-term contract for thermal oxidation testers. This was a sole-source acquisition using justification 10 U.S. Code 2304 (c)(1), as stated in Federal Acquisition Regulation 6.302-1. This is a five-year contract with no option periods. Locations of performance are Illinois and Pennsylvania, with a March 31, 2027, ordering period end date. Using military service is Army. Type of appropriation is fiscal 2022 through 2027 Army working capital funds. The contracting activity is the Defense Logistics Agency Land and Maritime, Warren, Michigan (SPRDL1-22-D-0007).