SERES selected as a Prime of $500 million contract to support USACE Baltimore projects nationwide

To SERES, this win confirms our position as a trusted partner to lead complex environmental remediation services and stewardship as a standalone Prime contractor.

Charleston, South Carolina (December 10, 2025) - Seres Engineering & Services, LLC (SERES) announces the award of a $500 million Multiple Award Environmental Services (MAES) Multiple Award Task Contract (MATOC) for the U.S. Army Corps of Engineers, Baltimore District (CENAB) and its selection as a Prime contractor. The Indefinite Delivery/Indefinite Quantity (IDIQ) contract has a five-year ordering period with two optional years in the assigned mission areas of the North Atlantic Division (NAD) and incidental locations.

The project scope includes a wide range of environmental services that may also require actions to characterize and/or remediate radioactive material or military munitions and explosive of concern (MEC) or munitions constituents (MC) and perform environmental sustainability services to deliver responsible environmental management in support of CENAB’s mission.

Program Manager Jessica Travis says, “This win represents a pivotal milestone for SERES. It validates many strategic investments we’ve made in technical expertise, regulatory compliance, and project delivery capacity for the past several years. We are honored by this latest vote of confidence from our USACE Baltimore District client to deliver complex, high-impact environmental initiatives."

SERES President and Owner Alex Lo says, “This win is a defining moment for SERES, and it means a lot. I am very proud of our entire team.”

About SERES

Seres Engineering & Services, LLC (SERES) is a minority-owned small business environmental services and consulting firm established in 2007 with a highly experienced, multi-discipline staff committed to excellence and building effective long-term relationships with our clients. Headquartered in Charleston, SC, SERES is experienced in providing environmental quality, planning, compliance, and assessment/remediation services to federal customers as a prime contractor, executing over $200M of work for federal customers over the past 18 years. Our capabilities include a wide range of CERCLA/RCRA activities such as PFAS PA/SIs and RI/FSs for the Air Force and Army, RD, RA, O&M and remedial optimization for numerous DoD HTRW sites, as well as DDs, RODs and TCRA implementation. We have been working continuously since 2009 supporting the Robins AFB Pollution Prevention contract. As prime, we have completed contracts for the U.S. Air Force (USAF), U.S. Army, multiple USACE Districts, the Naval Facilities Engineering Systems Command (NAVFAC), U.S. Coast Guard (USCG), National Park Service, and the U.S. Environmental Protection Agency (USEPA).