- Durivage Pattern & Mfg. Inc. 20522 State Route #579 Williston, OH 43468 MOLDING THE FUTURE | Company Overview | Model / Pattern Dept. | Cad / Cam Dept. | CNC Dept. | | Mold / Machining Dept. | Quality Control Dept. | Shipping | The Company is not limited to the following capabilities: Design and build custom blow molds Checking gauges Models and pattern equipment Concept models 3-D programming ...www.durivagepattern.com