| American
Exploration |
Halliburton
Energy Services |
| Amirmex
Oil & Gas Co. |
Hilton
Petroleum Ltd. |
| APEX
Petroleum Engineering |
Intrepid
Production |
| Apollo-Smith
Exploration |
Interline
Resources Corporation |
| Arch
Petroleum, Inc. |
KFG
Petroleum Corporation |
| Armstrong
Oil & Gas |
Key
Production Company |
| Baker
& Hostetler, P.C. |
L.
G. & E. Natural |
| Ballard
Petroleum, L.L.C. |
Macauley,
A. G. Trust |
| Barrett
Resources |
Merrion
Oil & Gas |
| Basin
Operating Company |
Natural
Gas Pipeline |
| Brown,
Charles W. |
N.G.
Resources Corporation |
| Calaway
Oil & Gas Company |
OGI
Inc. |
| Captiva
Resources, Inc. |
Pacific
Enterprises Oil Co. |
| Coastal
Chemical |
Petrogulf
Corporation |
| Colorado
Attorney General |
Pioneer
Oil and Gas Company |
| Colorado
Interstate Gas |
Prima
Exploration |
| Conley
P. Smith Operating Co. |
Questa
Engineering |
| Cramer
Oil Company |
Richland
Petroleum Corporation |
| Daube
Company |
Sante
Fe Energy |
| DiGiacomo
& Jaggers, P.C. |
Stanley
Energy |
| Don
Stinson, P.E. |
Star
Resources |
| Ener-Tech
Associates Inc. |
Summit
Energy |
| Ewing
& Ewing, P.C. |
Teton
Oil & Gas |
| Fancher
Oil Company |
TRANSOK |
| FAN
Energy Inc. |
Williams Pipe
Line Co../DLS |
| First
National in Palm Beach |
Wyoming
Resources Corporation |
