The Defense Information Systems Agency (DISA) is seeking sources for custodial and janitorial services at DISA PAC Building 77, covering approximately 54,300 square feet of administrative and common areas on Ford Island, Pearl Harbor, Hawaii. A Firm-Fixed Price contract is anticipated, with a one-year base period plus four one-year options and an option for surge services up to 10% of the contract value. Contractors must hold a Secret Facility Clearance and demonstrate experience within the last five years on projects of similar size, scope, and complexity. Responses are due by May 18, 2026, and must be submitted via email to the specified points of contact. This is a sources sought notice for market research only, not a solicitation, and no funds are available to pay for response preparation.