Geothermal/Ground Source Heat
| CONTRACTORS | PHONE | CONTACT PERSON | |
| AIR MASTERS | 636-680-2100 | johnr@airmasters.com | JOHN RUNDQUIST |
| C & R MECHANICAL | 314-739-1800 | jeilerman@crmechanical.com | JOHN EILERMAN |
| DRUMMOND MECH. CONTR. INC | 573-443-4901 | wsd@socket.net | WILLIAM STEVEN DRUMMOND |
| ENVIRONMENTAL ENGINEERING | 573-636-3566 | richard@enviroeng.com | RICHARD PEMBERTON |
| HERBIG MECHANICAL INC |
636-661-5773 |
kevin@herbigmechanical.com |
KEVIN HERBIG |
| JOHNSON CONTROLS INC. | 1-866-680-8103 | JOHN COZZOLINO | |
| LANGFORD MECHANICAL | 573-243-3238 | langfordmechanical@sbcglobal.net | ROB LANGFORD |
| OFFICER MECHANICAL | 573-474-3554 | asbury@officermechanical.com | GREG ASBURY |
| ROCK HILL MECH CONTR CO | 314-966-0600 | bschnitzer@rhmcorp.com | ROBERT SCHNITZER, JR |
| SHEET METAL CONTRACTORS | 636-586-2150 | kim@smcihvac.com | KIM BROWN |
| TEEL MECHANICAL | 573-642-9648 | tmsi@ktis.net | RICHARD TEEL |
| UNIVERSAL MECHANICAL | 573-893-8099 | jbwolken@socket.net | JOHN WOLKEN |
| WIEGMANN & ASSOC | 636-940-1056 | dboschert@wiegmannassoc.com | DAVID BOSCHERT |