| Company | Contact | Address | City | State | Zip | Phone |
| 101 Pipe and Casing, Inc. |
Dusty Nabor
| 30101 Agoura Court, Suite 201 | Agoura Hills | CA | 91301 | (818) 707-9101 |
| Agua Caliente LLC |
Anna Wells
| 730 17th Street, Suite 820 | Denver | CO | 80202 | 3032989000 |
| Airgas, Inc. |
Nevin D. Speicher
| 259 North Radnor-Chester Road | Radnor | PA | 19087 | 6109026254 |
| Almar Professional Land Services, Inc. |
Marty Miller
| PO Box 8000-160 (1146 Chaparral Drive) | Mesquite | NV | 89024 | (970) 260-2214 |
| AltaRock Energy, Inc. |
Susan Petty
| 2320 Marin Ship Way, Suite 300 | Sausalito | CA | 94965 | (415) 331-0130 |
| American Cargoservice, Inc. |
Terry Simokat
| 7880 Convoy Court | San Diego | CA | 92111 | 8585654125 |
| APS Renewable Energy |
Phil Smithers
| PO Box 53999, MS 9674 | Phoenix | AZ | 85072 | (602) 250-3579 |
| Arete Capital Partners |
Eva E. Sirinek
| 5 Great Valley Parkway, Suite 257 | Malvern | PA | 19355 | 6106483829 |
| Asset Management Group Investment Corp. |
William Powell
| 6501 East Belleview Ave., Suite 400 | Englewood | CO | 80111 | (303) 694-2190 |
| Atlas Copco Mafi-Trench |
Susan Price
| 3700 E 68th Avenue | Commerce City | CO | 80022 | 800 732 6762 |
| Baird Hanson |
Brian Hanson
| 2064 Timber Lane | Boulder | CO | 80304 | 3034479800 |
| Baker Hughes Inteq |
Nic Nickels
| 5510 Skylane Blvd., Suite 203 | Santa Rosa | CA | 95403 | 7075231751 |
| Boart Longyear Drilling Services |
Creig Walker
| 2745 West California Avenue | Salt Lake City | UT | 84104 | 801-973-6667 |
| Bob Lawrence and Associates |
Bob Lawrence
| 345 South Patrick Street | Alexandria | VA | 22314 | 703-836-3654 |
| Borneo Green Energy Sdn Bhd |
Ramzi Raad
| Suite 505-506, 5th floor, Central Buidling | Jalan Sagunting, Kota Kinabalu, Sabah, | Malaysia | | |
| Briggs Electric Inc. |
Greg Dye
| 5111 Convair Drive | Carson City | NV | 89706 | 7758879901 |
| BRUSHCo Inc. |
Charlie Brush
| | | | | |
| Building and Construction Trades Council of Northern Nevada |
Paul McKenzie
| 1819 Hymer Avenue | Sparks | NV | 89431 | 7753559200 |
| CalEnergy Operating Corporation |
Mark T. Gran
| 551 W. Main Street, Suite 1 | Brawley | CA | 92227 | 760-351-3050 |
| CALPINE CORPORATION |
Dennis Gilles
| 10350 Socrates Mine Road | Middleton | CA | 95461 | 7074316058 |
| Cameron |
Roger Bastian
| 3004 Jewett Street | Bakersfield | CA | 93301 | 7078361611 |
| CH2M Hill |
Richard Campbell
| 9127 South Jamaica Street | Englewood | CO | 80112 | (720) 286-5448 |
| Clearlight Foundation |
Thomas Blakeslee
| | | | | |
| CLP Resources |
| 10539 Professional Circle, Suite 200 | Reno | NV | 89521 | (480) 491-2821 |
| Crane Mountain Geothermal, Inc. |
Richard L. McAdoo
| 2320 SW Schaeffer Road | West Linn | OR | 97068 | 5036382443 |
| Datum Horizon Geological Consultants |
Russell Frommer
| 803 N. Arthur Ave | Pocatello | ID | 83204 | 2082323391 |
| Davenport |
Rob Miani
| 149 Weaver Street | Greenwich | CT | 6831 | 2035316877 |
| Delaney Law Office |
Diane Delaney
| 1317 Grand Ave, #228 | Glenwood Springs | CO | 81601 | 9709457148 |
| Diversified Utility Services, Inc |
Steve Hill
| 3105 Unicorn Road | Bakersfield | CA | 93308 | 6613253212 |
| Domenic J. Falcone Associates, Inc. |
Domenic Falcone
| P.O. Box 129 | New Hope | PA | 18938 | 215-862-1793 |
| Earth Power Resources, Inc. |
| 2407 S. Troost Ave. | Tulsa | OK | 74114 | (918) 743-5593 |
| EcoDirect |
Jeff Dorner
| 2332 D Street, Suite E | La Verne | CA | 91750 | 888-899-3509 |
| ElectraTherm, Inc. |
Robin Hart
| 808 East College Parkway, Suite 102 | Carson City | NV | 89706 | 7758826680 |
| ENEL NORTH AMERICA |
John Snow
| One Tech Drive, Suite 220 | Andover | MA | 1810 | 9786811900 |
| Enel North America, Inc. |
Hank Sennott
| One Tech Drive, Suite 200 | Andover | MA | 01810 | 978-681-1900 |
| Energy 5.0 |
Bud Cherry
| 1601 Forum Place, Suite 1010 | West Palm Beach | FL | 33401 | 5616979800 |
| Energy and Geoscience Institute |
Nancy J. Johnson
| 423 Wakara Way, Suite 300 | Salt Lake City | UT | 84108 | 801-581-8497 |
| Energy Capital Partners |
Jeff Spinner
| 6501 East Belleview Avenue, Suite 400 | Short Hills | NJ | 07078 | (973) 671-6089 |
| Energy Strategies and Solutions, LLC |
Karen M. Brown
| PO Box 1169 | Arvada | CO | 80001 | 3034679200 |
| EnergyCo LLC |
Concho Minick
| 225 East John Carpenter Freeway | Irving | TX | 75062 | 4694848567 |
| Enlink Geoenergy |
Raymond List
| 16430 Park Ten Place, Suite 600 | Houston | TX | 77084 | 8888556901 |
| Ensign Energy Services Inc. |
Greg Burton
| 1700 Broadway, Suite 700 | Denver | CO | 80202 | 3033762055 |
| Fluid Flex |
Sydney DuBinion
| PO Box 1215 | Burnsville | MN | | 9528989105 |
| Gas Technology Products |
William Rouleau
| 846 Algonquin Road, Suite 100 | Schaumburg | IL | 60173 | 8472853855 |
| GeoGlobal Energy LLC |
Greg Raasch
| 411 S. Juanita Ave | Redondo Beach | CA | 90277 | 720 302-3533 |
| GeoTek Energy LLC |
Ken Fryrear
| 415 W. Wall Street, Suite 2121 | Midland | TX | 79701 | 4326850215 |
| Geothermal Development Associates |
Martin Booth
| 770 Smithridge Drive Suite 550 | Reno | NV | 89502 | 7758255800 |
| Geothermal Resource Group |
Bill Rickard
| PO Box 11898 | Palm Desert | CA | 92255 | 7603410186 |
| GeothermEx |
Ann Robertson-Tait
| 3260 Blume Drive, Suite 220 | Richmond | CA | 94804 | 5105279876 |
| Geysir Green Energy |
Davíd Stefánsson
| Hafnargata 89 | Keflavik | Iceland | | 3546652022 |
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