GBL Constriction Gypsum Floor Division was founded in 1986 as a joint partnership by Leroy James and William E. Schlichtkrull. GBL maintain their company headquarters at 232 Swain Hill Road in Harmony, Pennsylvania which is located 25 miles north of Pittsburgh. They are a licensed applicator of Hacker Floor Underlayments and service western and central Pennsylvania, eastern Ohio, northern West Virginia and western New York.
GBL is a member of ABC (Associated Builders and Contractors, Inc.)
References are available upon request.

 

Leroy James William E. Schlichtkrull