The Indian Health Service requires weed control services for a combined 21 acres at two locations in Kayenta, Arizona. The period of performance is a base period of nine months, from April 1, 2026, to December 31, 2026, with four 12-month option periods extending through December 31, 2030. The acquisition is a small business set-aside under NAICS code 561730. Evaluation factors may include technical capability, past performance, and price. Offerors must have an active SAM.gov registration.