Philadelphia Gear Corporation. Philadelphia Gear® is one of the oldest and most respected gear manufacturers in the world. The company supplies precision gear products and services for energy, marine and water management markets, among others. With a world-class engineering department, the company is also a major designer and supplier of gear drives to the U.S. Navy and Coast Guard and in 2008 completed the acquisition of the majority of General Electric’s Marine Program business. The company operates a network of regional service and manufacturing facilities to provide aftermarket support for its large installed base. In its 118+ year history, Philadelphia Gear has produced gear drives for tens of thousands of customers around the world in some of the harshest operating environments. The company’s facilities are located in Los Angeles, CA, Houston, TX, Mokena, IL, New Castle, DE and Birmingham, AL and international sales offices are maintained in the United Arab Emirates, the Netherlands, Mexico, Latin America and China. The company's corporate headquarters are located at 901 E. Eighth Avenue, Suite 100, King of Prussia, PA 19406.