Wyoming

      C & S Oil Tools Inc.

Cody:                                      Mike Wilson

                                                       Tel.      (307) 527-4604

                                                              Fax       (307) 527-5387

       Gillette:                                  Swede Wilson

                                                    Tel.      (307) 682-6717

                                                               Fax.     (307) 682-4149