The Federal Bureau of Prisons anticipates multiple IDIQ, firm-fixed-price contracts for supplemental architect-engineer services, with a one-year base and up to four option years plus a possible six-month extension, and no more than four awards expected. Work will support various FBOP facilities throughout the United States, often in fully occupied, secure correctional environments requiring complex design and extensive coordination. The guaranteed annual minimum per contract is $10,000, and the estimated annual maximum is $10,000,000. This acquisition is a 100% small business set-aside, and interested firms must be registered in SAM.gov. Awardees may not receive a construction contract for a project they design, and after SF-330 review and interviews, up to four firms may be invited to submit formal proposals and negotiate overhead, profit, and hourly rates for firm-fixed-price task orders.