Millennium Science & Engineering, Inc. (MSE) is regarded by our clients as a premier medium-sized, employee-owned environmental consulting engineering firm staffed by senior technical and management professionals. We serve industry and government on a worldwide basis.

MSE has particular strengths in:

Site Assessment & Remediation/Contaminated Land
Water & Wastewater Engineering
Air Permitting & Engineering
Watershed Science, Hydrology & Natural Resources
Environmental Management (including strategic consulting)
Legal/Litigation Support
International Development

Our headquarters are located in Chantilly, VA., with regional offices in Atlanta, GA; Salt Lake City, UT; Boise, ID; Syracuse, New York; Maisemore, Gloucestershire, England and Manila, Philippines. We are active in all parts of the United States and the world.

MSE's affiliated companies include:

• Millennium Science & Engineering, Inc. (a US Corporaton)
• Millennium Science & Engineering Ltd. (a UK company),
• Millennium Science & Engineering, PLLC (a New York Professional Limited Liability Company),
• Millennium Environmental, LLC (a New York Limited Liability Company), and
• MSE Philippines, Inc. (a Filipino company)