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TSI Corporations
Upper Marlboro, MD 20772
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Our Story
Our main lines of business include: Architectural Metal Contractors, Glass & Glazing Contractors, Trucking & Rigging.
TSI Corporations has been listed in the Blue Book since 2021.
What We Do
- Architectural Metal Contractors
- Glass & Glazing Contractors
- Trucking & Rigging
Regions & Counties Serviced
- Washington D.C.
Maryland 1
- Prince Georges
Our CSI Codes
05 01 70 - Maintenance of Decorative Metal
05 01 70.91 - Historic Treatment of Decorative Metal
08 01 41 - Operation and Maintenance of Entrances
08 01 80 - Maintenance of Glazing
08 01 81 - Maintenance of Glass Glazing
08 01 84 - Maintenance of Plastic Glazing
08 01 88 - Maintenance of Special Function Glazing
08 05 00.00.01 - Common Work Results for Openings
08 06 41 - Entrance Schedule
08 06 80 - Glazing Schedule
34 00 00 - Transportation