First Name Last Name Company Name City State - IGSHPA ...

First Name Last Name Company Name City State Country
Chris Ackerman Farnsworth Group, Inc. Springs CO
Steve Adams GeoMaster, LLC Ft. Wayne IN
Michael Albertson Water Furnace International, Inc. Ft. Wayne IN
Philip Albertson WaterFurnace International, Inc. Noblesville IN
Johnny Alexander, II Boyne Country Heating & Cooling, Inc. Boyne Falls MI
Hobey Allen REHAU Leesburg VA
Larry Altman Larry Altman Drilling, Inc. Blackshear GA
Darryl Anderson Anderson Engineering & Surveying, Inc. Lakeview OR
James Andrews, Jr. Andrews, Hammock & Powell, Inc. Macon GA
Anthony Anhalt Anhalt Well Drilling Ashippun WI
Anton Antonov Four Stars Plumbing Momence IL
Alex Aposteanu A S A Holding S A Bucharest ROMANIA
Trey Austin, III PE Geo-Energy Services Centennial CO
Debra Bac CETCO Drilling Products Group Heights IL
Scott Bard Bard Manufacturing Co., Inc. Bryan OH
David Bargman Dave's Repair Service Chester IL
Todd Barlow Bermingham Foundation Solutions Hamilton ON CANADA
John Barnard Major Geothermal, Inc. Wheat Ridge CO
Randy Barnes Coiled Steel Tubing Drilling Systems St. Charles IA
Mike Beasley Deep Rock Mfg. Co. Opelika AL
Dennis Beckett Water Furnace International, Inc. Eddyville KY
Scott Beller Air Products Supply Oklahoma City OK
John Berg Geosun Nrg, Inc. Bloomfield Hills MI
Daniel Bernstein Gaia Geothermal Los Gatos CA
Wayne Berry Heatpump Technologies LTD Queenstown NEW ZEALAND
William Bieganek REHAU Brooklyn Park MN
Jeremy Birmele Nitz Excavation LLC Baroda MI
Harry Blaylock, IV Helevia AL
Donald Boelke Comfort Supply Fridley MN
Wayne Bolden Wayne's Water 'n Wells, Inc. Oakland MD
Leigh Bond Threshold Energies Corp. St. Albert AB CANADA
Andrew Bonnema REHAU Industries, Inc. Burlington ON CANADA
Paul Bony ClimateMaster Montrose CO

James Bose Oklahoma State University, Engineering Technology Stillwater OK
Kevin Bouchey Strategic Energy Solutions, Inc. Ferndale MI
Chris Bower Baroid Industrial Drilling Products Houston TX
Dee Bower ClimateMaster Oklahoma City OK
Robert Braam Midwest Geothermal, LLC Grand Rapids MI
Dave Brennan Geothermal Drilling LLC West Harrison IN
Ken Brew Bertram Drilling, Inc. Billings MT
Joshua Brock Georg Fischer Central Plastics Co. Shawnee OK
Larry Brown WaterFurnace International, Inc. Ft. Wayne IN
Bob Brown WaterFurnace Ft. Wayne IN
Lance Bruckelmyer Thermal Solutions of Minnesota, LLC Hamburg MN
Mark Bulmahn GeoMaster, LLC Ft. Wayne IN
Russell Buras Loop Tech International Huntsville TX
Kyle Burchard Indiana Geothermal Clayton IN
Carla Burhans Rebearth Products, Inc. Truro IA
Richard Burhans Coiled Steel Tubing Drilling Systems Saint Charles IA
Kevin Burns Menlo Park CA
Danyelle Burns Centennial Plastics LLC Hastings NE
Winnie Burrows Unimin Corp. Brentwood TN
Darwin Burtner Inc. Saxonburg PA
Christopher Butts Perfect Temp Heating & Cooling Loveland CO
Stephanie Butts Perfect Temp Heating & Cooling Loveland CO
Ferrell Cain Worldwide Drilling Resource Bonifay FL
Dean Calton PowerCold Corp. Centennial CO
Robert Cameron, PE Gevity Group, Inc. Moncton NB CANADA
John Campbell GWC Engineering Dallas TX
Chris Campbell Honeywell Hudson OH
Barney Camponeschi Performance Pipe, A Division of Chevron Phillips Plano TX
Roger Cannoy Coiled Steel Tubing Drilling Systems St. Charles LA
Ryan Carda Geo Connections Elkton SD
Yale Carden Geoexchange Australia Pty Ltd. NSW AUSTRALIA
Nanci Cardwell REHAU Industries, Inc. Burlington ON CANADA
Andrew Cardwell Aquasco MD
John Carmack Parker Hannifin Corp. Murfreesboro TN
Mark Carpenter Dynatemp, Inc. Silver Spring MD

William Champion Champion Water Systems Lanett AL
Tim Chase Geothermal Systems Peachtree City GA
John Christ Baroid Industrial Drilling Productsial Drilling Products Houston TX
Rucker Chunn Bard Manufacturing Co., Inc. Old Hickory TN
John Ciovacco Aztech Geothermal Ballston NY
John Clapp Oklahoma State University, IGSHPA Stillwater OK
Brian Clement Good Co. Assoc., Inc. Austin TX
Richard Clemenzi Stickels Service Co., Inc. Asheville NC
Brian Clower Jamison Well Drilling, Inc. Mansfield OH
Tammy Cole Cole's Clear Water Drilling, Inc. DeRidder LA
Charles Cole Cole's Clear Water Drilling, Inc. DeRidder LA
John Cole REHAU Industries Inc. Greensboro NC
Kelly Coleman Mid- State Construction Co., Inc. Livingston TN
Ken Cooper Harrison & Cooper, Inc. Wolfforth TX
Kenny Cooper Harrison & Cooper, Inc. Wolfforth TX
Joey Cope Oklahoma State University, IGSHPA Stillwater OK
Geoffrey Courtwright Energy Transfer Systems, Inc.. Naples FL
Wayne Cowan Air Design Heating & Air Millington TN
Tom Crane GeoFurnace Winkler MB CANADA
Kevin Cravens TEI Rock Drills
Doug Cravens Mid-State Construction Co., Inc. Livingston TN
Daniel Crowe The Hole Deal, Inc. Congerville IL
Woody Crump Housing Authority of The City of Denison Denison TX
Jose Manuel Cuevas Castell AIDICO Alicante SPAIN
Rob Cummings Dale Supply Co. Nashville TN
Steve Curtiss Centennial Plastics LLC Hastings NE
Jim Cusack UMR Geothermal, Inc. Maple Plain MN
Randall Cutter Innovative Environmental Drilling Claremont NC
Elias Dagher, PE Dagher Engineering New York NY
Jamie Davila Sol-Arte Ltd. Bogota COLUMBIA
William Dean Newcomb & Boyd Atlanta GA
Walt Dean K & M Shillingford, Inc. Tulsa OK
Joseph DeFusco III Custom Mechanical Services Bristol CT
Bret Delisle Earth Tech Frisco TX
Timothy DePriest Total Temperature Control, Inc. Sneedville TN

Danny DePriest, Sr. Total Temperature Control, Inc. Sneedville TN
Steven DiBerardine Strategic Energy Solutions, Inc. Ferndale MI
John Dingeldein EDP Consultants, Inc. Kirtland OH
David Dinse Tennessee Valley Authority Chattanooga TN
Kevin Disse, PE Ulteig Engineers, Inc. Detroit Lakes MN
Joe Dobry Baroid Industrial Drilling Products Burleson TX
Bob Donley ECONAR Energy GeoSystems Elk River MN
Keith Douglas Image Engineering Group, Ltd. Grapevine TX
Michael Dowis Bard Manufacturing Co., Inc. Bryan OH
Andrew Drebitko, Jr. Natural Energy Solutions, LLC Pottsville PA
Josh Droege Geo-Energy Services LLC Centennial CO
Adam Dubblestein Byce & Associates, Inc. Kalamazoo MI
Simon Duck Techno Drill, Inc. Ft. Worth TX
Greg Dudley Earth Energy Technology & Supply, Inc. Marietta OK
Katherine Dunn Haley & Aldrich, Inc. Manchester NH
Alan Eades Eades Drilling & Pump Service Hobbs NM
Franklin Easterday, Jr. Easterday Well & Pump, Inc. Mt. Airy MD
Craig Edwards The Evergreen Group, Inc. Schnecksville PA
Ronnie Edwards TEI Rock Drills
Russell Eller Mike's Heating & Cooling Candler NC
Jonathon Ellingson Ellingson Excavating & Septic LLC Cumberland WI
Edward Ellingson, Jr. Ellingson Excavation & Septic LLC Cumberland WI
Dan Ellis ClimateMaster, Inc. Oklahoma City OK
Wael El-Sharif 360 Energy Group Chicago IL
Scott Emery REHAU Industries, Inc. Leesburg VA
Mark Evans Evans Heating & Cooling, Inc. Glade Valley NC
Garen Ewbank Ewbank & Assoc. LLC Fairview OK
Larry Exley, Sr. Exley Mobil Service, Inc. Rincon GA
Gail Ezepek Oklahoma State University, IGSHPA Stillwater OK
Blake Fahl LAIBE Corp. Indianapolis IN
Sean Fennessy Sun Engineering, Inc. Gloucester MA
Nuno Fernandes FHP-Bosch Group Ft. Lauderdale FL
Drew Fessler Energy Transger Systems, Inc. Naples FL
Stephen Finberg Nelson Small, Inc. Portland ME
Craig Fischbach Florida Heat Pump Mfg. Sanford FL

Craig Fishbock Heat Controller, Inc. Jackson MI
Shelly Fitzpatrick Oklahoma State University, IGSHPA Stillwater OK
Travis Flint Thomas Flint & Son, Inc. Cadillac MI
Robert Ford Elite Software Bryan TX
John Fowler Drillers Service, Inc. Knoxville TN
Andy Fracica WaterFurnace International, Inc. Fort Wayne IN
Paul Fredin United States Air Force Dayton OH
Trisha Freeman National Ground Water Association Westonville OH
Chris Freer, PE Plant Engineering Consultants, Inc. Springs CO
Robert Frick Image Engineering Group, Ltd. Grapevine TX
Hiro Fukai DeepRock Mfg. Co. Opelika AL
Jimmy Gaffney Earth Tech Frisco TX
Rob Galbavy Chem Grout Inc. LaGrange Park IL
Chris Gamble Direct Air Heating & Cooling LLC Battle Ground WA
Clarissa Gentry Mid-State Construction Co., Inc. Livingston TN
Jason Gentry Mid-State Construction Co., Inc. Livingston TN
Charles Gentry Mid-State Construction Co., Inc. Livingston TN
John Geyer John Geyer & Associates, Inc. Vancouver WA
Frank Gibson Parker Hannifin Corp. Greenfield TN
Todd PG Todd Giddings & Associates, Inc. State College PA
Hugh Giggleman CEMS Engineering St. Stephen SC
Ferran Ginette NOVAterra Barcelona SPAIN
Alan Givens Parrish Services, Inc. Warrenton VA
Susan Givens Givens International Drilling Supplies, Inc. Corydon KY
Dorris Givens Givens International Drilling Supplies, Inc. Corydon KY
Bill Glass Energy Transfer Systems, Inc.. Naples FL
Dennis Golden Jamison Well Drilling, Inc. Mansfield OH
Michael Golightly I S C O Industries LLC Urbandale IA
Carolyn Golightly Katy TX
Ryan Gooch Development Nashville TN
John Goosman UNIMIN Corp. New Canaan CT
Neil Granger Air-Care Services, Inc. Elkton MD
Horace Gray Gray's HVAC Service, Inc. Lowell IN
Christopher Green ClimateMaster, Inc. Oklahoma City OK
Steven Griffin, PE Indoor Environmental Solutions, Inc. Jacksonville FL

Mike Grizzle Roscoe Brown, Inc. Murfreesboro TN
Thomas Hackshaw Dynatemp, Inc. Silver Spring MD
Michael Hadley Climate Control Heating & Cooling Co., Inc. Jacksonville NC
Ronald Hamberg G H P Systems, Inc. Holland MI
Mike Hamilton Geoexchange Australia Pty Ltd. Bentleigh Enst VC AUSTRALIA
Richard Hammett Southeastern Geothermal Red Level AL
Chuck Hammock, PE Andrews Hammock & Powell, Inc. Macon GA
Jeff Hammond Enertech Manufacturing,LLC Greenville IL
Jay Hammond GeoMaster, LLC Fort Wayne IN
Sonny Hampton WaterFurnace International, Inc. Greenville IL
Choi Hangseok Korea University Seoul KOREA
Anthony Hardman Geo-Energy Services LLC Centennial CO
Duane Harman Cyntergy Tulsa OK
Jeffrey Hatch Imperial Electric, Inc. Mesquite TX
Ronald Hathcock Mike's Heating & Cooling Candler NC
Griff Hawkinson Viega LLC McPherson KS
Brian Hayden HeatSpring Geothermal Cambridge MA
Chris Haynes Pocatello ID
Ronald Haynes Pocatello ID
Don Hearold Imperial Electric, Inc. Mesquite TX
Richard Henn GeoSystem USA Grand Prarie TX
John Henrich Bergerson - Caswell, Inc. Maple Plain MN
Bobbi Henrich Bergerson - Caswell, Inc. Maple Plain MN
David Henrich Thermal Dynamics Maple Plain MN
Phillip Henry GeoExchange Solutions Pollock Pines CA
Rick Hermans McQuay International Minneapolis MN
Florencia Hernandez FHP-Bosch Group Ft. Lauderdale FL
Arnold Hess Nitz Excavation LLC Baroda MI
Richard Hiles ClimateMaster, Inc. Pendleton IN
James Hill HVAC, Inc. Bristol TN
Andrew Hillier Ice Energy Heat Pumps Ltd. Oxford KINGDOM
Douglas Hobb Direct Air Heating & Cooling LLC Vancouver WA
Jim Holland SHW Group Plano TX
Bill Holloway Oklahoma State University Stillwater OK
Wade Holst Sherwood Park AB CANADA

James Hopkins LAIBE Corp. Indianapolis IN
Jared Horn Geo Pro, Inc. Elkton SD
Scott Horseman Scott Horseman Heating & A/C, Inc. Gladys VA
Mark Hottel Harvey W. Hottel, Inc. Gaithersburg MD
Richard Hottel Hottel Energy Group Gaithersburg MD
Bryan Houle, PE Rader Engineering, Inc. Avon CO
Cody Howard E. D. Miller Service Co. LLC Dallas TX
Andrew Howley Loopmaster (Europe) Ltd. Warwickshire KINGDOM
Brian Hughes Houghton Chemical Corp. Long Grove IA
Patrick Hughes Oak Ridge National Lab Oak Ridge TN
Tim Hughes Trane Clarksville TN
Doug Hundley CMTA, Inc. Louisville KY
Michael Hunt GeoFurnace Mfg., Inc. De Smet SD
Jeff Hurst ClimateMaster Oklahoma City OK
Steven Jackson Ceren Plumbing & Heating Co. Aurora IL
Jeff Jacomine Techno Drill, Inc. Ft. Worth TX
Karl Jakobs Mainstream Heating & Cooling Clarksville TN
Brenda James Oklahoma State University, IGSHPA Stillwater OK
David Jennings DEJA Group Seattle WA
John Johannes Del-Air Mechanical Contractors, Inc. Knoxville TN
Steven Johnson Sabrina LLC Alameda CA
Keith Johnson J B R O Earth Mechanical Services Kensington NH
Nicholas Jones Sound Geothermal Corp. Sandy UT
Scott Jones ECONAR GeoSystems Elk River MN
Al Jones, Jr. WorldWide Drilling Resource Bonifay FL
Laura Joseph FHP Bosch Group Ft. Lauderdale FL
Russell Julian Julian Mechanical Corp. Highland NY
Marie Kadavy Oklahoma State University, IGSHPA Stillwater OK
Josephine Kaiser Dagher Engineering New York NY
Mike Kapps WaterFurnace International, Inc. Ft. Wayne IN
Michael Kelly Geothermal Systems Peachtree City GA
James Kelly Baroid Industrial Drilling Products Houston TX
John Kelly Geothermal Heat Pump Consortium, Inc. Washington DC
John Kemper Epic Enterprises Palatine IL
Chang Ki Chang Korea Institute of Energy Research Daejeon KOREA

Johnny Kidwell Kelix Heat Transfer Systems LLC Tulsa OK
Steve Kinney Jamison Well Drilling, Inc. Mansfield OH
Hans Kircher Armstrong Pumps, Inc. Toronto ON CANADA
Jeremy Kittinger Trane Clarksville TN
Roy Klaty Flow Center Products, Inc. Crawfordsville IN
David Klecan Chesapeake Geosystems, Inc. Baltimore MD
Tony Knight Drillers Service, Inc. Earlysville NC
Anthony Knight Wyo-Ben, Inc. Billings MT
Jeanne Knobbe Oklahoma State University, IGSHPA Stillwater OK
Steven Koep Marathon Water Heaters Eagan MN
Dennis Koop K - Seven Corp. Fairview TX
Robert Koschka FHP Bosch Group Indianapolis IN
Rafal Kozlowski Ultralligence Corp. Chicago IL
Todd Krause Northwest Water Systems Port Orchard WA
Stewart Krause Wyo-Ben, Inc. Billings MT
Martin Kueper FHP-Bosch Group Ft. Lauderdale FL
Kent Kuffner Carrier Corp. Indianapolis IN
Mike Kunc Drillers Service, Inc. Carlisle PA
Greg Kurtz ClimateMaster, Inc. Vermill OH
Kris Kyler Indiana Geothermal Design & Supply Indianapolis IN
Paul LaFramboise LaFramboise Well Drilling Thompson CT
Tom Lammons Bunnell-Lammons Engineering Greenville SC
Sam Langlitz Whitney TX
Jon Lantz K & M Shillingford, Inc. Tulsa OK
Peter Latasiewicz Ultralligence Corp. Chicago IL
Ashley Law Hinnchsen Heating & Air Conditioning Goodfield IL
Jeff Lawrence B & D MFG, INC Scranton IA
Robert LeBlanc Industrial Concrete Services, Inc. Portland ME
ChulHo Lee Dept. Seoul KOREA
Euy-Joon Lee Korea Institute of Energy Research Daejeon SOUTH KOREA
Marvin Leeth Air Products Supply Oklahoma City OK
Brian Leith Leith Heating & Cooling, Inc. West Dundee IL
Donald Lenoir Berger Engineering Co. Dallas TX
Mike Lewis George E. Failing Co. Enid OK
W. Michael Linn Greensleeves, LLC Winter Park FL

Tim Litton WaterFurnace Ft. Wayne IN
Xiaobing Liu ClimateMaster, Inc. Oklahoma City OK
Ed Lohrenz Geo-Xergy Systems, Inc. Winnipeg MB CANADA
Eve London Trane Clarksville TN
Bryan Long Naval Facilities Engineering Service Center Port Hueneme CA
Eddie Lothridge Lothridge Plumbing, Inc. Linwood NC
Morris Lovett Oklahoma Gas & Electric Co. Oklahoma City OK
Paul Lundberg Skidmore College Springs NY
Maureen MacIntyre GoGeothermal Eckville AB CANADA
Don MacIntyre GoGeothermal Eckville AB CANADA
Don Maggioli Alares Quincy MA
Mike Maher REHAU Industries, Inc. Leesburg VA
Robert Major Major Geothermal, Inc. Wheat Ridge CO
Jack Major Major Geothermal, Inc. Wheat Ridge CO
Johnny Mancil Enlink DeRidder LA
David Mancil Enlink DeRidder LA
Jimmy Mancil EnLink DeRidder LA
Barbara Marquard Hays Fluid Controls Dallas NC
Dan Marsh Hays Fluid Controls Canyon Lake TX
Jacqueline Martin Martin's Refrigeration, Inc. Fayetteville PA
Chad Martin Geothermal Resource Technologies, Inc. Allen TX
John Martin, Jr. Martin's Refrigeration, Inc. Fayetteville PA
Dan Matlock Comfort Engineered Systems, Inc. Nolensville TN
Antony Mauro BC Hydro Burnaby BC CANADA
Todd Mayer Mayer's Well Drilling Pennsburg PA
Michael McCarthy Armstrong Pumps, Inc. West Fork AR
Gerald McClain Oklahoma State University, IGSHPA Stillwater OK
David McCool Geothermal Supply Co., Inc. Horse Cave KY
Darren McCormack Red-Kee Services, Inc. Victoria BC CANADA
Tom McDonald Covalent Laboratories Cincinnati OH
Don McGriff ISCO Industries, LLC Huntsville AL
Ray McLarty CETCO Heights IL
John McLees N E D Enterprises, Inc. Red Lodge MT
Linda McPike Flow Center Products, Inc. Crawfordsville IN
William McPike Geothermal Drilling, Inc. Huntsville TX

James McPike Geothermal Drilling Inc. Huntsville TX
Sandy McWilliams McQuay International Plymouth MN
Retta Gayle Meigs Oklahoma State University, IGSHPA Stillwater OK
George Melcher Earth Energy Technology & Supply, Inc. Marietta OK
William Metz Bard Mfg. Co. Bryan OH
Mike Millard The Geothermal Alternative Winnipeg MB CANADA
Tom Miller Geo-Flo Products Corp. Bedford IN
Michael Milwee Alabama Power Co. Verbena AL
R. Scot Minesinger Scot Engineering Properties, Inc. Fairfax Station VA
Judy Moan Geo-Flo Products Corp. Bedford IN
David Mohr B & D Mfg., Inc. Scranton IA
Drew Money Lothridge Plumbing, Inc. Linwood NC
Kevin Moon Denison Housing Authority Denison TX
Tony Mooneyham Drillers Service, Inc. manchester TN
Mark Morelli Air Connection Santa Rosa CA
Beth Morelli Air Connection Santa Rosa CA
Jody Morgan Lake Country Drilling, Inc. Ardmore OK
Charlie Moser Drillers Services, Inc. hickory NC
Paul Moser, Jr. Mayer's Well Drilling Pennsburg PA
Sanaz Alexander The Edgewater Funds Chicageo IL
Jordan Mueller Geothermal Drilling LLC West Harrison IN
Jason Mueller Geothermal Drilling LLC West Harrison IN
Norman Muraya Austin Energy Austin TX
Michael Murphy ClimateMaster, Inc. Rocky River OH
Edward Murphy Newcomb & Boyd Atlanta GA
Dennis Murphy Ground Source Geothermal Redwood City CA
Mike Murphy Ground Source Geothermal Redwood City CA
Patrick Murphy NATE Arlington VA
James Murphy ClimateMaster Oklahoma City OK
Andy Myers CMTA, Inc. Louisville KY
Jon Myers Central Plastics Co. Shawnee OK
Nick Napolitano Comfort Engineered Systems, Inc. Nolensville TN
Rick Nash GBT, Inc. Loretto MN
Dimitri Nassis T Andrews Construction Chicago IL
Walter Nelms, Jr., PE Engineered Comfort, Inc. Memphis TN

Chad Nelson Utah State Parks & Recreation Moab UT
Chip Nelson George E. Failing Co. Enid OK
Howard Newton FHP-Bosch Group Catoosa OK
Thomas Niesen Gateway Technical College Kenosha WI
W. Thomas Niesse WaterFurnace International, Inc. Dallas GA
Thomas Noland TLC Heating & Air Rixeyville VA
Carolyn Nunnally Geothermal Supply Co., Inc. Horse Cave KY
Patrick O'Brien Energy Earth LLC Willow Springs NC
Stephen Oltman Edwardsville IL
James O'Marr, III A W E B Supply Co., Inc. Baton Rouge LA
Eileen Opera UNIMIN, Corp. Arlington TX
Carl Orio Water Energy Distributors, Inc. Hampstead NH
C. "Oscy" Oscarson O'Connor Co., Inc. Lee's Summit MO
Michael Overbury Toronto ON CANADA
Ed Owens Del-Air Mechanical Contractors, Inc. Knoxville TN
Richard Palmer Palmer Bit Co. Williston ND
John Papastavrou PowerCold Tampa FL
Mike Paquette McQuay International Auburn NY
James Parsons Eastern Well & Pump, Inc. Harlan KY
Joe Patterson TEI Rock Drills Montrose CO
John Paupanekis S C M Cross Lake Band of Indians Neverville MB CANADA
Robert Peck WaterFurnace International, Inc. Fort Wayne IN
Joe Pejsa ISCO Louisville KY
Don Penn Don Penn Consulting Engineer/IEG Ltd. Grapevine TX
Thomas Perkowski Kelix Heat Transfer Systems LLC
Randolph Perry ClimateMaster Oklahoma City OK
Stephen Pescatore Houghton Chemical Corp. Allston MA
Eric Peters API of New Hampshire Manchester NH
David Peterson Geothermal Supply Co., Inc. Horse Cave KY
Pete Peterson Geothermal Supply Co., Inc. Horse Cave KY
David Phillips Energy Design Corp. Beach FL
Richard Pierce Springs CO
Trent Pierce Drillers Service, Inc. Westminster MD
Jeffery Pinkston Power Management Corp. Nashville TN
Sara Pippel Thermal Dynamics Maple Plain MN

Jeremy Polk Military Dept. of Tennessee Nashville TN
Steve Powell Steve Powell Drilling Uriah AL
David Powell Edward Powell Pump & Well Drilling Aston PA
Kenneth Presnell Clearwater Drilling Co. Sevierville TN
John Preston WaterFurnace International, Inc. Rochester MN
Clayton Preston Village Habitat Design Atlanta GA
Randy Price Bard Manufacturing Co., Inc. Bryan OH
Terril Proffer Major Geothermal, Inc. Wheat Ridge CO
Scott Pruiett Jack Frost, Inc. Evansville IN
Frank Quattrocchi Plumbers & Pipe Fitters UA Local 501 Aurora IL
Jay Ramkumar McQuay International Minneapolis MN
Frank Rapley Tennessee Valley Authority
Phil Rawlings TRC Energy Services Greenville TX
Janet Reeder Oklahoma State University, IGSHPA Stillwater OK
Charles Remund GeoPro, Inc. Elkton SD
Tom Rhoades Whitehorse Management Headingly MB CANADA
Joel Ridge Ridge Heating & A/C, Inc. Panama City FL
Bruce Ritchey WaterFurnace International, Inc. Ft. Wayne IN
Rex Roach DeepRock Mfg. Co. Opelika AL
Timothy Roos Water Energy Distributors, Inc. Hampstead NH
Eric Rorrer Rorrer Well Drilling, Inc. Christiansburg VA
Wayne Rose Rose's Well Drilling Madisonville TN
Calvin Rose Rose's Well Drilling Madisonville TN
David Ross Mount Juliet TN
Ray Roussy Sonic Drill Corp. Bellingham WA
Zbigniew Rozbicki Terra Heat Systems La Veta CO
Charles Rudderow Morning Dew West Chester PA
Inigo Ruiz Ayesta BEST (Bi-Energy Solutions Trends) Sondika SPAIN
Jarmila Ruzicka Chemtica USA Durant OK
Kathi Ryan Texas Geothermal LLC The Colony TX
C. Mark Sakry Northern GroundSource, Inc. Brimson MN
Joe Sarkkinen Geothermal Heat Pumps, Inc. Battle Ground WA
Ron Saxton Trane Clarksville TN
Ben Schatz Chem Grout, Inc. LaGrange Park IL
Joseph Schatz ChemGrout, Inc. LaGrange Park IL

Matt Scheffer Scheffer Home Milford OH
Ed Schinner PowerCold Tampa FL
David Schnase Centennial Plastics LLC Hastings NE
Larry Schnase Centennial Plastics LLC Hastings NE
Fred Schoen Geo-Enterprises, Inc. Buffalo MO
Philip Schoen Geo-Enterprises, Inc. Catoosa OK
Jeremy Schueble Excel Mechanical, Inc. Watertown MN
Donald Schuster Geo-Tec Dubuque IA
Joe Schwartz Strategic Energy Solutions, Inc. Ferndale MI
Charles Sellers Allied Engineering Beach FL
Colette Sellers Beach FL
Brian Sensenig Sensenig & Weaver Well Drilling Denver PA
Zack Shariff Allen & Shariff Corp. Columbia MD
Scotty Sharp Sharp Drilling, Inc. Noble OK
Andrew Sheldon Ice Energy Heat Pumps Ltd. Oxfordshire UK United Kingdom
Robert Sherman Loureiro Engineering Associates, Inc. Plainville CT
Curt Shill Performance Pipe, A Division of Chevron Phillips Plano TX
Peter Shillingford Environmental Loop Service Tulsa OK
Steven Silverman Silverman Mechanical Corp. Mongaup Valley NY
Lester Simmons, Sr. Easterday Well & Pump, Inc. Mt. Airy MD
Scott Skoog Midwest GeoDrill LLC Grand Rapids MI
Allan Skouby GeoPro, Inc. Bowie TX
Allan Skouby Geothermal Resource Technologies, Inc. Bowie TX
Harrison Smitelli Central Plastics Co. Roswell GA
Jesse Smith Indiana Geothermal Indianapolis IN
John Smith Fredericksburg VA
Aaron Smith M & R Engineering Ltd. Halifax NS CANADA
W. Tim Smith ASTEC Loudon TN
Steven Smith Enertech Manufacturing, LLC Greenville IL
Michael Smith Climate Control Heating & Cooling Co., Inc. Jacksonville NC
Cary Smith Sound Geothermal Sandy UT
Pat Smith Mid-State Construction Co., Inc. Livingston TN
Chris Smith FHP-Bosch Group Ft. Lauderdale FL
Gary Soden Clear Heart Drilling, Inc. Santa Rosa CA
Bill Solt Deep Rock Mfg.Co.

Mark Southward Jackson & Sons Drilling Mansfield OH
Jeffrey Spitler Engineering Stillwater OK
Jeff Stagg Pinkston Pump & Well Co. Chesapeake VA
Ryan Stauffer WaterFurnace International, Inc. Ft. Wayne IN
Barry Stephens Zehnder America, Inc. Greenland NH
Larry Stevens Energy & Process Optimizing LLC Greenwood LA
Kim Stevens CETCO Drilling Products Ogallala NE
Bob Stichman Wyo-Ben, Inc. Billings MT
Bradley Stickels Stickels Service Co., Inc. Fairview NC
James Stokes Geo-Enterprises, Inc. Catoosa OK
Galen Streich Geothermal Resource Technologies, Inc. Brookings SD
Kerry Stutzman Morning Dew Inc. West Chester PA
Stephen Sullens Andrews, Hammock & Powell, Inc. Macon GA
Mark Sullivan FHP- Bosch Group Oklahoma City OK
Rich Susens Earth Energy Services De Pere WI
Paul Svoboda FHP-Bosch Group Andalusia IL
Keith Swilley Gulf Power Co. Pensacola FL
Keith Tanimoto Geo-Enterprises, Inc. Norman OK
Tom Tannehill CETCO Drilling Products Butler PA
Tom Tannehill E T & M Refrigeration Henderson NV
Rock Taylor Pier Associates, Inc. Akron OH
Tracy Tee Carrier Oklahoma Moore OK
Greg Tinkler Redding Linden Burr Consulting Engineers Fulshear TX
Tom Titus I S C O Industries LLC Hendersonville TN
Carole Trabachino Johnson Controls Edison NJ
Dusty Tracy Coiled Steel Tubing Drilling Systems Truro PA
Curtis Tronolone Creative Energies Lander WY
Michael Trumbower Parker Hannifin Corp. New Haven IN USA
Janet Turley MIDDLETON GEOTHERMAL SERVICES Akron OH
John Turley MIDDLETON GEOTHERMAL SERVICES Akron OH
Mark Turner Roscoe Brown, Inc. Murfreesboro TN
Tom Turner Austin Energy Austin TX
John Twardy Loureiro Engineering Associates, Inc. Plainville CT
Paul Vaillancourt Ecco Heating Products, Ltd. Burnaby BC CANADA
Richard Valdez REHAU Corona CA

Pere Valero Geotec 262 SL Barcelona SPAIN
Andrew van Marle Midwest Geothermal LLC Grand Rapids MI
Brenda Vesser Hardmetal Underground Friendsville TN
Anthony Viglietti Nashville Electric Service Nashville TN
Richard Vocke Evergreen Energy LLC Southington CT
Sharon Vocke Evergreen Energy LLC Southington CT
Trudy Wagner Geo-Flo Products Corp. Bedford IN
Robert Walger Energy, Science and Technology Winnipeg MB CANADA
Boone Walker ClimateMaster Oklahoma City OK
Jay Wallace Indiana Geothermal Indianapolis IN
John Walsh Elite Software College Station TX
Guy Wanegar A & B Cooling & Heating Corp. South Windsor CT
Brenda Ward Geo-Systems USA
Les Ward Geo-Systems USA Grand Prairie TX
Terry Wattie Destiny Drilling, Inc. Houston TX
Doug Watts Techno Drill, Inc. Ft. Worth TX
Barbara Watts A W E B Supply Co., Inc. Baton Rouge LA
Alan Watts Alan Watts Service, Inc. Baton Rouge LA
Gregory Wells Jackson & Sons Drilling Mansfield OH
Barry Westbrook, PE DocAir LLC Franklin TN
Justin Wheeler ASTEC Underground Loudon TN
Sean Wheeler Roscoe Brown, Inc. Murfreesboro TN
Heath Whitehair Jamison Well Drilling, Inc. Mansfield OH
James Whitehead Tennessee Army National Guard Nashville TN
Chris Whitrock Texas Geothermal, LLC Ft. Worth TX
Mark Whittle Baroid International Drilling Products Houston TX
Megan Wible Oklahoma State University, IGSHPA Stillwater OK
Brian Wierenga ClimateMaster, Inc. New Era MI
Stephen Wierzbicki Nutmeg Mechanical Services, Inc. Manchester CT
Brian Willis Precision Directional Boring LLC Valley City OH
Joe Willix WaterFurnace Ft. Wayne IN
David Wilmes Imperial Electric, Inc. Mesquite TX
Xiao Wu Person Raleigh NC
Thomas Wyer Geo-Flo Products Corp. Bedford IN
Brock Yordy Bariod Industrial Drilling Products Houston TX

Jim Young Bermingham Foundation Solutions Hamilton ON CANADA
Scott Young Bermingham Foundation Solutions Hamilton ON CANADA
Carol Zhang Tili Electrical Co., Ltd. Burnaby BC CANADA
John Ziesemer Mequon WI