Need a lift? Ask G.K. Enterprises. The management's subsidiary Whiting Corp makes specialized heavy lifting equipment, multi-ton overhead cranes, and transportation-maintenance and foundry equipment. Lift capacities for overhead traveling, gantry, and electric cranes muscle five to 600 tons. Portable electric jacks, transfer tables, and commuter lift systems hoist railcars for repair. Steel mills rely on ladle-handing and hot-metal cranes, and rotating air furnaces. Its Swenson Technology subsidiary makes process equipment (evaporators, crystallizers, and dryers) for chemicals such as potash processing, and pharmaceuticals. President of G.K. Enterprises and Whiting Corp, Jeffrey Kahn holds controlling interest.