- Edgewood Management Corporation (Clarksburg, MD)
- Day Porter (Presidential Service Industries, Custodial/ Janitorial Commercial Cleaning Services) Presidential Service Industries, Inc. (PSI) is a private ... minority-owned small business in the janitorial , custodial, cleaning industry that serves the Washington, DC,...items as needed. + Inspect assigned coffee stations and cafeteria/ lounge room to ensure that there is coffee, cups,… more