- Upstone Materials (State College, PA)
- …operates primarily in Maryland, Ohio, Pennsylvania, and New York. HRI engages in heavy civil construction projects in Pennsylvania, in addition to specific ... HRI has expanded to include paving, water, sewer, airport, highway , and bridge projects as well as asphalt plants...network visitwww.colas.com. Job Summary HRI, Inc., a leader in heavy civil construction since 1947, has an… more