| Company | Category | Area | Address | Web | E-mail | Contact person |
| OIL ANALYZERS INC | Testing Laboratory | Wisconsin | 2206 WINTER ST, SUPERIOR, Douglas, Wisconsin, 54880-1437, USA |
- |
- |
Dan Horn |
| OIL AND GAS CNSRVTION COMM NEB | Oil And Gas Commission | Nebraska | PO BOX 399, SIDNEY, Cheyenne, Nebraska, 69162-0399, USA |
- |
- |
William Sydow |
| OIL AND GAS DISTRICT 1 | Oil & Gas Office | California | 5816 CORPORATE AVE, CYPRESS, Orange, California, 90630-4731, USA |
- |
- |
Richard Baker |
| OIL AND GAS DISTRICT 4 | Land/mineral/wildlife Conserva | California | 4800 STOCKDALE HWY STE 417, BAKERSFIELD, Kern, California, 93309-2636, USA |
- |
- |
Hal Bopp |
| OIL AND GAS INFORMATION SVC | Drafting Service | West Virginia | PO BOX 3810, CHARLESTON, Kanawha, West Virginia, 25338-3810, USA |
- |
- |
Donald Kesterson |
| OIL AND NTURAL GAS EXPLORATION | Oil & Gas | Wyoming | PO BOX 1177, RIVERTON, Fremont, Wyoming, 82501-0155, USA |
- |
- |
Mike Greff |
| OIL APOLLO CO | Oil & Gas Producers | Minnesota | 1030 DODD RD, SAINT PAUL, Dakota, Minnesota, 55118-1114, USA |
- |
- |
- |
| OIL ARTS | corporate art consultant | Texas | 18 ROBINDALE CIR, CONROE, Montgomery, Texas, 77384-4680, USA |
- |
- |
Marilyn Nance |
| OIL ASSOCIATES INCORPORATED | Whol Petroleum Products | Ohio | 3201 E 66TH ST, CLEVELAND, Cuyahoga, Ohio, 44127-1403, USA |
- |
- |
Tom Tamulewicz |
| OIL AWAY PRODUCTS | Mfg Polish/sanitation Goods | Michigan | PO BOX 642, NAPOLEON, Jackson, Michigan, 49261-0642, USA |
- |
- |
Pete Spanik |
