| Company | Licence | Contact Name | Address | Phone | Fax |
| AAA Energy Pty Ltd | GEL 340, 346, 347, 348
| Director - John Palermo | Level 1, 284 Oxford Street, Leederville WA 6007 | 61 8 9242 1622 | 61 8 9443 2859 |
| Callabonna Energy Pty Ltd | GEL 296, 304, 305, 306, 307 & 350 | Director - Mike Raetz | Level 2, 66 Hunter Street, Sydney NSW 2000 | 61 2 9300 3366 | 61 2 9221 6333 |
| Clean Energy Australasia Pty Ltd | GEL 267 - 277 | Director - Joe Reichman | GPO Box 534 Sherwood QLD 4075 | 61 7 3379 7540 | 61 7 3379 7545 |
| Deep Energy Ltd | GEL 308, 311, 312, 313, 314 and 315; GELs 486, 487, 488, 489, 490 & 497 | Tenement Manager - Ms Nicolin Van Boxel | c/- ELP & Muddy Boots Level 27, 288 Edwards Street Brisbane QLD 4001 | 61 7 3239 9700 | 61 7 3220 2135 |
| Earth Heat Pty Ltd | GEL 337, 338 & 339 | Managing Director - Torey Marshall | 28 Park Street Sefton Park SA 5083 | 61 2 8012 1830 | |
| Eden Energy Pty Ltd | GEL 166 - 169, 175 - 177 & 185 | Chief Executive Officer - Greg Solomon |
Level 40, Exchange Plaza, | 61 8 9282 5889 | 61 8 9282 5866 |
| Geodynamics Ltd | GEL 99, GRL 3 - 12 | Managing Director - Adrian Williams | Suite 6, Level 1, Lang Parade, Milton QLD 4064 | 61 7 3721 7500 | 61 7 3721 7599 |
| Geothermal Resources Ltd | GEL 181, 208 - 210, 214 - 217, 222, 249 - 250, 279, 280 | Chairman - Dr Bob Johnson |
63 Conyngham Street, | 61 8 8338 9292 | 61 8 8338 9293 |
| Gradient Energy Limited | GEL 354-365 & 377 | CEO and President - Stephen Nano | 15a Tate Street Albion QLD 4010 | 617 3262 4555 | 61 7 3036 6273 |
| Granite Power Ltd | GEL 207 | Managing Director - Stephen de Belle | Suite 602, Level 6, 333 George Street, Sydney NSW 2000 | 61 2 8252 6100 | 61 2 8252 6199 |
| Green Heat Resources Pty Ltd | GEL 128, 129, 161 - 163, 206, 282 - 284 | Managing Director - Adrian Larking | Unit 6, 38 Colin Street, West Perth WA 6005 | 61 8 9482 0482 | 61 8 9482 0499 |
| Green Rock Energy Ltd | GEL 213, 244 - 248 | Managing Director - Adrian Larking | Unit 6, 38 Colin Street, West Perth WA 6005 | 61 8 9482 0482 | 61 8 9482 0499 |
| Inferus Resources Pty Ltd | GEL 297, 300, 301 & 302 | Director - Stephen Biggins | 47 Tynte Street North Adelaide SA 5006 | 61 8 8368 8888 | 61 8 8368 8899 |
| MNGI Pty Ltd | GEL 156 -158, 178 - 180, 241, 242, 254 & 336 | Operations Manager - Peter Reid |
105 - 106 Greenhill Road, | 61 8 8274 5000 | 61 8 8272 8141 |
| Near Surface Geothermal Energy Pty Ltd | GEL 321 | Chairman - Colin Randall | PO Box 683 Newcastle NSW 2300 | 61 2 4925 2644 | 61 2 4926 3871 |
| New World Energy Solutions Pty Ltd | GEL 411 - 422 | Managing Director - John Libby | 7 Beverley Terrace South Guildford WA 6055 | 61 8 9477 3747 | 61 8 9477 4388 |
| Osiris Energy Pty Ltd | GEL 220, 221, 223 & 281 | Executive Director - Kerry Parker | C/- Panax Geothermal Ltd | 61 7 3512 7000 | 61 7 3512 7099 |
| Pacific Hydro Ltd | GEL 191 - 205 & 236 - 238 | Development Manager - Terry Teoh | Level 11, 474 Flinders Street, Melbourne VIC 3000 | 61 3 9615 6410 | 61 3 9620 4433 |
| Petratherm Ltd (MNGI) | GEL 191-205, 178-180, 241, 242, 254 & 336 | Operations Manager - Peter Reid | 105 - 106 Greenhill Road Unley SA 5061 | 61 8 8274 8141 | 61 8 8272 8141 |
| Scopenergy Ltd | GEL 170 - 173, 184 & 212 | Executive Director - Kerry Parker | PO Box 2142 Milton QLD 4064 | 61 7 3512 7000 | 61 7 3512 7099 |
| Technical Director - Assoc Prof. Sheik Rahman | 61 2 9385 5192 | 61 2 9385 5182 | |||
| Teak Cominco Australia Pty Ltd | GEL 294 -295 | Exploration Manager - Ian Sandl | C/- M & M Walter Consulting, PO Box 8197 Subiaco East WA 6008 | 61 8 9321 4936 | 61 8 9321 4766 |
| Terratherma Ltd (Eden Energy) | GEL 329, 330, 411 - 422 | Executive Chairman - Greg Solomon | PO Box Z5360, St Georges Terrace, Perth WA 6831 | 61 8 9282 5889 | 61 8 9282 5866 |
| Torrens Energy Ltd | GEL 226 - 235, 260 - 263, 278 & 285 | Exploration Manager - Bruce Godsmark | 12 Eton Road, Keswick SA 5053 | 61 8 8297 3300 | 61 8 8297 1300 |
| Tri-Star Energy Company | GEL 264 & 265 | Tenures Administrator |
Level 35, 123 Eagle Street, | 61 7 3236 9800 | 61 7 3221 2146 |