The Department of Defense, through the Washington Headquarters Services (WHS), is seeking information from potential vendors to provide Environmental Due Diligence Services for the Office of the Under Secretary of Defense (OUSD) Research and Engineering. The procurement aims to gather capabilities and interest from firms, particularly small businesses, to support environmental assessments, compliance with regulations, and the development of mitigation strategies over a five-year period, with an estimated contract value between $35 million and $75 million. These services are crucial for ensuring environmental integrity and compliance throughout project lifecycles, as they involve tasks such as risk analysis, legal advice on compliance, and stakeholder engagement. Interested firms must submit a capabilities statement by March 25, 2025, to Lamont Joy at darrell.l.joy2.civ@mail.mil, detailing their relevant experience and qualifications.