Fourth Generation Heavy Highway, Heavy Civil, Railroad, and Commercial Building Contractor; Equipment Sales and Rentals speci ... alizing in Forestry Packages; and Pre-cast / pre-stressed structural concrete producer certified for PennDOT and NYDOT manufacturing and erection. The L.C. Whitford Co. is also certified by VersaFlex and Bridge Preservation for Spray on Polyurea coatings and liner panels which not only serve the conventional construction market, but also services the Energy Markets for Primary and Secondary Containment. read more