- Acarus Group Inc
- Burlingame Engineers Inc
- Dave Holke Consulting Inc
- Davis Engineering Co
- DM2 Petroleum Software
- Earth Hawk Exploration Inc
- Energypower
- Escher Corp
- F M Buxton Consulting Engineer
- Fifteen Below LTD
- Francis W King
- Geocomp Data Svc
- George D Daly Jr & Assoc
- Guardian Energy Consultants
- Henry Levkoff
- Henry Levkoff
- HERRITT Engineering & Operatng
- Higgs Technologies
- Hill Oil Co
- James A Johnson Inc
- Joshi Technologies Intl Inc
- Kaplin & Assoc Inc
- Lee Keeling & Assoc Engineers
- Medallion Minerals Inc
- Mist Inc
- Morrill & Assoc
- National Petroleum
- Neighborhood Car Care Ctr
- NSI Technologies Inc
- Ogci Petroskills
- Petro Source Consultants Inc
- Petro Speed Inc
- Petroleum Research & Cnsltng
- Profit Productions
- R L Clampitt & Assoc
- RAM
- Ramsey Engineering Inc
- Ray E Pfaff & Assoc
- Richard Knoblock
- Rockford Energy Co
- Schneider Strata Science
- Scientific Computer Applctns
- Shamrock Oil & Gas
- Software Enterprises Inc
- Southern International Inc
- Southmayd & Assoc Inc
- Spears & Assoc Inc
- Spring Drilling Corp
- Swearingen Petroleum Mgmt
- Training Consultants Intl Inc
- Tyler Energy LLC
- Wachtman-Schroeder
- Weinkauf Petroleum Inc
- William Schopflin Engineering
- Woodbine Financial Corp
