Bowhead Marine Support Services LLC,* Springfield, Virginia (M68909-21-D-7912); DeVilliers Technology Solutions LLC,* doing business as, DeVil-Tech, Stafford, Virginia (M68909-21-D-7913); FedWriters Inc.,* Fairfax, Virginia (M68909-21-D-7914); and MERPTech LLC,* Herndon, Virginia (M68909-21-D-7915), are awarded a combined $31,166,049 indefinite-delivery/indefinite-quantity multiple award contract for the procurement of services to support the Amphibious Vehicle Test Branch. The operations, maintenance and technical services contract will be used to issue task orders to provide test and evaluation support including, but not limited to amphibious vehicles, ground combat vehicles, systems, and equipment for the Marine Corps Systems Command and Program Executive Officer Land Systems. Types of services required include, scuba diving services, emergency medical treatment services, watercraft operation and maintenance services, heavy equipment operation and maintenance services, communications equipment operation and maintenance services, advanced manufacturing, welding, and machining services, technical editing services, electronics services, media services, engineering services, information technology services, data collection services, administrative management services, financial management services, security services, and crane services. This five-year contract includes five one-year option periods which, if exercised, would bring the cumulative value to $69,000,000, over a ten year period to the four vendors combined. Work will be performed in Camp Pendleton, California. The period of performance for the base award is from Sept. 17, 2021, through Sept. 16, 2026. If all options are exercised, the period of performance would extend through Sept. 16, 2031. Awardees will have the opportunity to compete for task orders during the ordering period. No funds will be obligated at time of award. Fiscal 2021 (Marine Corps) funds will be obligated as task orders are issued using research, development, test and evaluation funds. This contract was competitively provided via a request for proposal (M68909-21-R-7903) published via the government-wide Point of Entry beta.sam.gov website. Seven offers were received and four were selected for award. Marine Corps Systems Command, Quantico, Virginia, is the contracting activity (M68909-21-D-7912-7915).