This is a sources sought notice for planning purposes to identify potential sources for a single Indefinite Delivery Indefinite Quantity contract for Architect-Engineer services at the 119th Wing in Fargo, North Dakota. The contract has a minimum guarantee of $2,500 and a maximum potential value of $10 million if all option years are exercised. Work will be issued via Firm Fixed Price task orders, primarily for projects with a construction value that typically results in A-E task orders under $500,000. Required services are broad and include planning, design, construction support, and environmental studies for various facility types at the location. This is not a solicitation, and responses are voluntary to help the government with market research.