TK&K Services LLC,* Alpharetta, Georgia, has been awarded a maximum $9,693,802 modification (P00013) exercising the five-year option period of a four-year base contract (SPE603-19-C-5004) with one five-year option for operation and maintenance of fuel facilities and alongside aircraft refueling services at Joint Base Lewis McChord and Yakima Training Center, Washington. This is a firm-fixed-price contract. Location of performance is Washington, with a March 31, 2028, performance completion date. Using military service is Air Force. Type of appropriation is fiscal 2023 through 2028 defense working capital funds. The contracting activity is the Defense Logistics Agency Energy, Fort Belvoir, Virginia.