DLA Energy seeks quotes for a firm-fixed-price purchase order for 7,500 USG of diesel ULSD (DS2) clear on-road fuel, restricted to a 100% small business set-aside under NAICS 324110 with a 1,500-employee size standard. Delivery is to an above-ground tank at Marine Corps Air Station, Beaufort, SC 29904-5024, via tank truck, with a required delivery date of 18 September 2026 between 8:00 AM and 1:00 PM Fort Belvoir, VA time. Offerors must be registered in SAM/SBA under NAICS 324110 and comply with DoD installation access and security procedures; DLA Energy will not pay for delays at security checkpoints. Award will be made on a lowest-price technically acceptable/best-value basis considering price, technical capability, and past performance, with FOB destination, inspection and acceptance at destination, and payment through WAWF. The contract allows a 10% increase or decrease in quantity, and offer prices must include all applicable taxes and fees.