Ayuda-Plexus JV LLC,* Denver, Colorado, was awarded a $8,866,702 firm-fixed-price contract for environmental remediation services for closure of Area A Landfill at the Lone Star Army Ammunition Plant. Four bids were solicited with two bids received. Work will be performed in Texarkana, Texas, with an estimated completion date of Sept. 29, 2026. Fiscal 2021 Department of Defense base closure account, defense funds in the amount of $8,866,702 were obligated at the time of the award. U.S. Army Corps of Engineers, Tulsa, Oklahoma, is the contracting activity (W912BV-21-F-TB30).