Architect and Engineering Services for U. S. Army Corps of Engineers South Atlantic Division

The U.S. Army Corps of Engineers established a Master IDIQ on July 31, 2020, for architect and engineering services supporting the Mobile District's Planning and Environmental Division across military, civil works, and support-for-others programs; ordering closed on August 3, 2025, and no new task orders may be placed.

The vehicle contracted 138 task orders through August 2025, with combined potential value of $235.4 million, of which $213.8 million (91 percent) has been obligated. Ordering momentum remained steady through vehicle closure, averaging roughly 24 orders per year over its final three years of operation (2023–2025). The original solicitation structured the vehicle as a multiple-award MATOC with a target of nine unrestricted and three small-business awards against a $249 million ceiling; actual execution shows 15 distinct prime contractors awardees.

Scope tracks closely to the original posting: environmental studies, NEPA documentation, environmental assessments, master planning, ecosystem restoration feasibility analysis, water quality and wetland delineation work, and facility sustainment and management system support (particularly BUILDER SMS assessments for Army installations). Recent orders reflect platform maturity in recurring customer areas—facilities assessments across Army National Guard sites nationwide, environmental compliance at Air Force installations (Eglin, Tyndall, MacDill in Florida, and others), and enterprise-level air quality and sustainability planning. Geographic scope is nationwide and worldwide; work spans CONUS, overseas installations, and subordinate military commands.

HDR Environmental, Operations And Construction, Inc. dominates by both order count and dollar value, holding 32 orders worth $98.5 million combined potential value—representing roughly 42 percent of total vehicle value. Tetra Tech, Inc. follows with 19 orders worth $43.1 million. The next tier includes Stell Environmental Enterprises Inc. ($24.5 million across 7 orders), Stantec GS Inc. ($14.4 million, 12 orders), and Leidos, Inc. ($9.7 million, 10 orders). These five firms collectively account for 81 percent of combined potential value; competition is concentrated.

Customer concentration is similarly tight. The Army Corps of Engineers Mobile District alone placed 60 orders worth $60.2 million (roughly 26 percent of vehicle total), followed by Air Force Materiel Command Installation and Mission Support Center Civil Engineer Center with 27 orders worth $36.7 million. Army National Guard and Marine Corps programs together represent significant secondary customer bases. Approximately 77 percent of task orders fund Army and Air Force programs.

Set-aside execution remained minimal—97 percent of orders carried no set-aside; only 4 orders (3 percent) designated partial small-business set-aside. Task-order values span from approximately $150,000 to $22.6 million, with typical firm fixed-price terms and performance periods ranging from 6 months to 3+ years. Representative recent orders include $21.5 million for USMC installation master planning across multiple bases, $8.5 million for centralized Air Force environmental surveys, and $7.8 million for real property management and environmental planning for Marine Corps Forces Reserve.

The work for Mobile District Planning and Environmental Division Military and Support for Others Programs includes environmental initiatives for conservation, National Environmental Policy Act (NEPA) compliance, environmental studies and master planning for military installations and facilities. The work includes preliminary studies through complete feasibility reports for ecosystem restoration, flood risk management, shallow and deep draft navigation, water supply, hurricane and storm damage reduction, recreation, plan formulation, socio-economic analysis, dredged material testing, water quality studies, and wetland delineation in the southeastern United States as well as South and Central America.