G&H Diversified Manufacturing is a U.S. based, ISO 9001:2008 certified advanced contract manufacturer, providing engineered c ... omponent and assembly solutions to the oil and gas and other industries. Decrease lead time and streamline production by avoiding the added time and cost of outsourcing manufacturing processes among multiple vendors. The variety of manufacturing capabilities offered by G&H Diversified, allows for many functions to be completed without additional outsourcing. Since 1958, top corporations in the energy, transportation, electronics, defense and other sectors have selected G&H Diversified based on our responsiveness to client requirements, expanding capabilities and high quality standards. Yellow Jacket, a division of G&H Diversified, produces superior oilfield tools, specializing in wireline/ TCP perforation tools and accessories. read more