Weston Solutions Inc.
Weston Solutions Inc. is a national environmental and infrastructure services firm that provides a wide range of services to the federal government. The company offers environmental remediation, site assessment, emergency response, technical support, construction, and infrastructure repair services to agencies such as the Environmental Protection Agency (EPA), U.S. Army Corps of Engineers, and Defense Logistics Agency. Weston Solutions Inc. is a subsidiary of Weston Solutions Holdings, Inc. and has over 60 years of experience delivering innovative solutions for complex environmental and infrastructure challenges. With its extensive expertise and capabilities, the company has established itself as a trusted partner for federal agencies seeking comprehensive environmental and infrastructure solutions.
As a prime contractor, Weston Solutions has received multiple awards under the EPA's Superfund Technical Assessment Response Team (START) program, providing technical assistance for site assessments, emergency response, and remediation activities across different EPA regions. The company has also been awarded task orders for environmental cleanup and munitions response services under U.S. Army Corps of Engineers contracts, including work at formerly used defense sites. Additionally, Weston Solutions has secured contracts with the Defense Logistics Agency for fuel system maintenance, tank inspections, and infrastructure repairs at military installations. The company often subcontracts specialized services such as laboratory analysis, drilling, and surveying to support its prime contract work. While most awards do not have set-aside designations, Weston occasionally partners with small disadvantaged businesses as subcontractors.
Weston Solutions holds several significant indefinite-delivery/indefinite-quantity (IDIQ) contract vehicles with federal agencies. These include a $59.7 million single-award IDIQ with EPA Region 6 for the START V program, providing technical assistance for Superfund activities. The company also holds positions on multiple-award IDIQs with the U.S. Army Corps of Engineers, such as a $150 million contract for defense bulk fuels materials and services, a $240 million vehicle for environmental remediation and munitions response, and a $450 million contract for facility repair and renovation services. Additionally, Weston Solutions is on a $500 million Air Force IDIQ for worldwide petroleum, oil, and lubricant facility design services. These IDIQ vehicles allow various agencies to issue task orders to Weston Solutions for a wide range of environmental, infrastructure, and energy-related services across domestic and international locations.
Z4XGALW7L9K6 541330
Not listed 1400 Weston Way, West Chester, PA 19380, USA
3/15/02 6/19/25 Tetra Tech, Inc.
Tetra Tech, Inc., doing business as Tetra TECH Em Inc., is a global provider of consulting, engineering, and technical services to federal, state, and local government agencies, as well as private sector clients. The company specializes in water, environment, infrastructure, resource management, energy, and international development services. Through federal contract and grant awards, Tetra Tech offers a wide range of services, with a particular focus on environmental remediation, emergency preparedness, and technical support for contaminated site assessment and cleanup. The company's expertise spans site investigations, groundwater and soil sampling, monitoring well installation, removal action and remedial design planning, vapor intrusion mitigation, construction oversight, and data management.
Tetra Tech has been awarded numerous federal contracts, particularly in support of the Environmental Protection Agency's (EPA) Superfund program across multiple regions. The company has received significant task orders under the Superfund Technical Assessment and Response Team (START) program, especially in EPA Region 5. These contracts involve a variety of services, including site assessments, remedial investigations, feasibility studies, and remedial designs for contaminated sites. For example, Tetra Tech has been awarded contracts for the Federated Metals Corp. Whiting Superfund Site, the Torch Lake Superfund site, and the Junction Reaches site in East Chicago, Indiana. The company also supports brownfield assessments, emergency preparedness activities, and database management for EPA's environmental programs. Notably, many of Tetra Tech's contract awards do not have set-aside designations, indicating its ability to compete for unrestricted federal contracts. The company often partners with specialized subcontractors to provide analytical laboratory services, drilling, and equipment support.
In addition to its contract work, Tetra Tech has been involved in various federal grant sub-awards that showcase its diverse capabilities. The company has supported projects related to invasive carp removal and marketing in the Great Lakes region, working with state agencies like the Illinois Department of Natural Resources. These efforts include developing branding strategies, expanding markets for harvested carp, and assessing the effectiveness of removal programs. Tetra Tech has also been involved in public health emergency preparedness initiatives, collaborating with organizations such as Public Health Solutions. Furthermore, the company has assisted in developing comprehensive emergency response plans for juvenile correctional facilities in Ohio, demonstrating its expertise in emergency management across various sectors.
Tetra Tech holds significant Indefinite Delivery Contracts (IDVs) with federal agencies, particularly the EPA. A notable example is the $450 million Superfund and Great Lakes Architecture & Engineering Services (SFGLAES) contract with EPA Region 5, awarded in 2023. This five-year contract enables Tetra Tech to provide a wide range of services including site assessment, design, construction management, and technical support for contaminated site remediation in the Great Lakes region. Another key IDV is the $46.9 million Region 3 Superfund Technical Assessment & Response Team VI (START VI) contract, which allows Tetra Tech to deliver technical assessment and response services for EPA's Superfund program in that region. These IDVs position Tetra Tech as a primary contractor for critical environmental and engineering services across multiple EPA regions, supporting the agency's mission to clean up and revitalize contaminated sites nationwide.
E3QKBMJ7H9K7 541620
Not listed One South Wacker, 1 S Wacker Dr Fl 37, Chicago, IL 60606, USA
1/30/17 11/6/25 Tetra Tech, Inc.
Tetra Tech, Inc. is a global consulting and engineering firm that specializes in providing environmental remediation, technical assessment, emergency response, and engineering services to government and commercial clients. The company operates through multiple divisions, with the EMI (Environmental Management, Inc.) Division playing a significant role in federal contract work. Tetra Tech has established itself as a key contractor for federal agencies, particularly in environmental services, with a focus on complex projects involving hazardous waste cleanup, site assessments, and technical support for contaminated site remediation.
Through its federal contract awards, Tetra Tech, Inc. has demonstrated extensive expertise in environmental remediation and technical services, primarily for the U.S. Environmental Protection Agency (EPA) and U.S. Army Corps of Engineers. The company has been awarded numerous delivery orders under the Superfund Technical Assessment Response Team V (START V) contract, supporting site assessments, removal actions, and emergency response activities at contaminated sites across multiple states, with a particular focus on the Midwest region. These contracts consistently involve technical support for hazardous waste site investigations, groundwater treatment, site cleanup, and environmental sampling. None of the contract awards have utilized set-aside designations, reflecting Tetra Tech's status as a large, established environmental services provider. The company has worked on a diverse range of projects, including lead contamination cleanup, PCE site evaluations, residential yard remediation, flood response support, and technical assessments for sites ranging from former industrial properties to military installations.
Tetra Tech, Inc. holds two significant federal Indefinite Delivery Vehicle (IDV) contracts that underscore its capabilities in environmental engineering and remediation. The first is a $225 million Architect-Engineer, Hazardous, Toxic, and Radioactive Waste and Environmental Services multiple-award contract with the U.S. Army Corps of Engineers Kansas City District, effective from July 2024 to July 2029. The second is a similar $225 million contract awarded in April 2021, running through April 2028, which supports environmental remediation and engineering services for the U.S. Army Corps of Engineers and EPA Region 2. These IDVs enable Tetra Tech to provide comprehensive services including RCRA Facility Investigations, Superfund site oversight, environmental remediation, and technical support across multiple federal agencies. Task orders under these contracts have covered a wide range of projects, from investigating contamination at military installations to providing oversight of potentially responsible party actions at Superfund sites in states including New York, New Jersey, Kansas, and others.
HHDHBZL5PLM5 541620
Not listed 415 Oak St, Kansas City, MO 64106, USA
6/27/02 1/15/26 Tetra Tech, Inc.
Tetra Tech, Inc. is a global consulting and engineering firm that provides comprehensive environmental, infrastructure, and technical services to government and commercial clients. Founded as a technical consulting firm, the company has grown into a large, multinational organization with expertise in complex infrastructure, water, environment, energy, and technology projects. Through its Environmental Management and Infrastructure (EMI) Division, Tetra Tech offers a wide range of professional services to federal government agencies, specializing in environmental assessment, remediation, technical support, and emergency response activities.
The federal contract awards reveal that Tetra Tech, Inc. EMI Division primarily works with the Environmental Protection Agency (EPA), specifically EPA Regions 4 and 5, under the Superfund Technical Assessment Response Team V (START V) indefinite-delivery/indefinite-quantity (IDIQ) contract. The contract awards demonstrate the company's extensive capabilities in environmental services, including site assessments, remedial investigations, feasibility studies, emergency response, hazardous waste site cleanup, technical evaluations, and environmental monitoring. The contract awards cover a wide range of projects, from time-critical removal actions at contaminated sites to comprehensive brownfields assessments, PFAS research, geospatial support, and emergency response activities related to natural disasters like hurricanes and tornadoes. The contract awards consistently show Tetra Tech serving as the prime contractor, with no small business set-aside designations, indicating the company's large-scale operational capacity in environmental management and technical consulting for federal agencies.
W4NLBJHRP7H3 541620
Not listed 1955 Evergreen Blvd #200, Duluth, GA 30096, USA
5/24/05 11/6/25