For over five decades Mar-Bal, Inc. has manufactured and engineered quality, customized parts and materials while delivering unmatched client cost-effectiveness through superior customer service and the Total Value Commitment. Mar-Bal, Inc. operates manufacturing facilities in Ohio, Virginia and Missouri. Detectable Warning Systems is part of the Mar-Bal, Inc. proprietary family of products. Headquartered in Chagrin Falls, OH, Mar-Bal, Inc. has been an innovative leader in the custom composite, molding and material manufacturing industry since its founding in 1970.