Kawasaki Heavy Industries | Imperial Chemical Industries | Germaine Greer | Greer Garson | Goodwill Industries | Access Industries | Mitsubishi Heavy Industries | Litton Industries | Kawasaki Heavy Industries Motorcycle & Engine | PPG Industries | Lucas Industries | Chris-Craft Industries | Blue Circle Industries | Winnebago Industries | Willamette Industries | War Industries Board | Toyota Industries | Polaris Industries | Liza Greer | Iran Electronics Industries | Godrej Industries Ltd | Britannia Industries | Toray Industries | Sumitomo Heavy Industries | Robin Greer | Reliance Industries | NL Industries | Nerdist Industries | Motor Coach Industries | Khadi and Village Industries Commission |
But Hellhole was essentially closed to the caving community in 1988, two years after a lease on the land including its entrance was obtained by the Greer Limestone Plant, a part of Greer Industries, Inc. in the nearby town of Riverton.