The US Army Corps of Engineers, Philadelphia District (NAP), is conducting market research via a Sources Sought Notice for an Indefinite Delivery, Indefinite Quantity (IDIQ) Multiple Award Task Order Contract (MATOC) for multidisciplinary Architectural and Engineering (A/E) design services for vertical construction. This notice is for informational purposes only and is not a request for proposals, quotations, or bids; no solicitation is currently available. Interested firms should submit capability packages electronically by email to the Points of Contact identified in the attachment. The anticipated contract capacity has been revised from $200,000,000 to $49,500,000. Firms that responded to the previous related notice and remain interested are encouraged to submit a response to this updated notice.