Tidewater is an environmental support services provider founded in 1983, delivering solutions to federal, state, municipal, and commercial clients across more than 30 countries. The company is headquartered in Baltimore, Maryland, with additional offices in California, Ohio, Tennessee, Pennsylvania, Japan, Kenya, and Germany. Its workforce numbers over 140 employees.
The firm operates primarily in the environmental support services and government contracting sectors. Tidewater maintains a matrix organizational structure intended to support employee development through training, education, and professional growth opportunities.
Tidewater has been recognised with a 2011 Nunn-Perry Award and was named the Department of State Overseas Buildings Operations Small Business of the Year in 2016. The company also mentors small disadvantaged businesses as part of its operating philosophy.






