DuWright Construction Inc., San Diego, California (N62473-21-D-0604); Souza Construction Inc., Farmersville, California (N62473-21-D-0605); and Mesa Energy Systems Inc., Irvine, California (N62473-21-D-0606), are awarded combined-maximum-value $20,000,000 firm-fixed-price, indefinite-delivery/indefinite-quantity, multiple-award construction contracts for demolition, repair, and replacement of various boilers and related systems and components at various facilities located on Marine Corps Base Camp Pendleton, California. Planned Task Order X001 will be issued in the amount of $738,511 to DuWright Construction Inc., while $5,000 will be awarded to Souza Construction Inc., and Mesa Energy Systems Inc., in order to satisfy the minimum guarantee. Work will be performed at Marine Corps Base Camp Pendleton, California, and is expected to be completed by September 2026. Fiscal 2021 operation and maintenance (Marine Corps) funds in the amount of $748,511 will be obligated at time of award and will expire at the end of the current fiscal year. This contract was competitively procured via the beta.sam.gov website, with three proposals received. The Naval Facilities Engineering Systems Command Southwest, San Diego, California, is the contracting activity.