Pushing Boundaries, Paving the Way.... In 1952, Glenn O. Hawbaker and his wife Thelma founded a small excavation company with the goal to build, serve, and advance local communities. Over six decades later, GOH continues to serve customers with an array of services including asphalt paving, road construction, gas well service and construction as well as engineering design services. To date, Glenn O. Hawbaker operates 24 quarries and 8 asphalt production facilities across Pennsylvania, southern New York, and eastern Ohio.