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The Keyway Curb System was developed by William Harger in 1986. Having worked for CDOT as a project manager as well as numerous general contractors, Bill struck out on his own. He relied on past experiences to aid his development of a better mousetrap... a better curb system. Though having passed, our family relies on the values and instincts he instilled upon us as we carry on his legacy.
Mark H., General Manager
Mark picked up his first mag at the age of 15 and began helping the family business. Over the years, he helped his families business develop customized equipment, procedures and practices to aid the its' operation. Mark currently oversees estimates, bidding as well as field operations.
Marge H., Owner
Marge stood steadfastly by Bill in fulfilling his dreams. She assists in planning, coordination, office management and is the friendly voice answering the phone.
Badlands National Park (2012)
16,000+ Linear Feet