Building Automation
| CONTRACTORS | PHONE | CONTACT PERSON | |
| AIR MASTERS | 636-680-2100 | johnr@airmasters.com | JOHN RUNDQUIST |
| AMERICAN MECHANICAL | 636-326-4500 | americanmechllc@sbcglobal.net | MICHAEL SMITH |
| AUTOMATIC CONTROLS | 636-677-6697 | robert.vogt@automaticcontrols.net | ROBERT VOGT, SR. |
| BUTZER, HAROLD INC | 573-636-4115 | larryh@hgbutzer.com | LARRY J HOFFMAN |
| C E JARRELL CONTRACTING CO | 314-291-0100 | ||
| CLIMATE SERVICE LLC | 314-968-8400 | ssteinkiste@climateservicestl.com | SCOTT STEINKISTE |
| CORRIGAN CO | 314-771-6200 | ||
| ENVIRONMENTAL ENGINEERING | 573-636-3566 | richard@enviroeng.com | RICHARD PEMBERTON |
| HABERBERGER INC | 314-631-3324 | neilh@haberbergerinc.com | NEIL HABERBERGER |
| HAUSER MECH | 636-970-4416 | paulh@hausermechanical.com | PAUL HAUSER |
| JOHNSON CONTROLS INC | 414-524-6649 | ||
| LEWIS MECHANICAL SERVICE | 636-584-7911 | jlewis@lewismechanicalservices.com | JIM LEWIS |
| MAX MECHANICAL CONTR | 314-550-7955 | john@maxmechanicalstl.com | JOHN BLAYLOCK |
| MECHANICAL SOLUTIONS INC | 314-342-1480 | coreyg@mechanical-solutions.com | GEORGE COREY |
| MURPHY CO | 314-997-6600 | ||
| OFFICER MECHANICAL | 573-474-3554 | asbury@officermechanical.com | GREG ASBURY |
| STATE MECHANICAL SERVICES | 314-427-8177 | rjones@statemech.com | RICH JONES |
| SYSTEMAIRE INC | 314-739-8310 | ksams@systemaire.com | KELSIE SAMS |
| TEEL MECHANICAL | 573-642-9648 | tmsi@ktis.net | RICHARD TEEL |
| WIEGMANN & ASSOC | 636-940-1056 | dboschert@wiegmannassoc.com | DAVID BOSCHERT |
| YORK INTERNATIONAL | 414-524-3988 |