Underground/Forced Main
| CONTRACTORS | PHONE | CONTACT PERSON | |
| CUNNINGHAM PLUMBING CO | 660-646-5834 | wayne@cpcmo.com | WAYNE CUNNINGHAM |
| BASTIAN & CO | 314-821-7733 | MCGUIRE | |
| BIEG PLBG CO INC | 314-487-4564 | bob@biegplumbing.com | BOB BIEG |
| C P C INC | 314-968-2840 | DAVID P. ABELN | |
| COCOS WM G CO | 314-631-2688 | wjcocos@cocosplumbing.com | WILLIAM J COCOS |
| DRUMMOND MECH. CONTR. INC | 573-443-4901 | wsd@socket.net | WILLIAM STEVEN DRUMMOND |
| ENGINEERED PLBG SYSTEMS | 636-451-5088 | stacy07707@aol.com | JOHN JACKSON |
| FINCH PLBG CO | 636-532-4666 | finchmike@earthlink.net | JIM FINCH |
| FRANKLIN MECHANICAL | 314-822-5242 | fbwienstroer@zakcompanies.com | FRAN WIENSTROER |
| G W S CONTRACTORS INC | 573-358-3040 | kschmidt@gwsmech.com | KERRY SCHMIDT |
| GATEWAY MECHANICAL | 636-680-2222 | jer@gatewaymechanical.com | JOHN RUNDQUIST |
| GRAHAM B O PLBG CO INC | 636-398-4450 | SCOT FLOYD | |
| GRASSE L & ASSOC | 314-771-3244 | lgrasse@grasse.com | LOUIS P GRASSE |
| JETT PLUMBING | 636-379-1524 | jettplumbing@gmail.com | LISA BYLO |
| KENT PLBG INC | 314-781-9040 | jjk@kentplumbing-inc.com | JOHN KRAUSKA |
| KYHL CO | 314-291-4300 | tom@kyhlco.com | TOM NOLAN |
| LANGFORD MECHANICAL | 573-243-3238 | langfordmechanical@sbcglobal.net | ROB LANGFORD |
| LAUGHLIN O J PLBG CO | 636-225-0992 | bobl@ojlaughlin.com | BOB LAUGHLING |
| LEGACY PLBG INC | 636-978-0120 | legacyplumbing@centurytel.net | JOHN EISE |
| LINEK PLBG CO | 314-962-0956 | wjl@linekplbg.com | BILL LINEK |
| MATCO PLUMBING INC | 314-239-7875 | mattvolk@matcoplumbinginc.com | MATT VOLK |
| MERLO PLBG CO INC | 314-843-1000 | kmerlo@merloplumbing.com | KENNETH MERLO |
| MILLER PHIL PLBG & HTG CO | 314-837-3351 | BARBARA J MILLER | |
| OFFICER MECHANICAL | 573-474-3554 | asbury@officermechanical.com | GREG ASBURY |
| PLUMBING PLANNING CORP | 314-739-0057 | ehill@plumbingplanning.com | EDDIE H HILL |
| RAEKER BOB PLBG | 314-429-0896 | JENNIFER RAEKER | |
| RAIDER MECHANICAL INC. | 573-518-1444 | tmorrow@brick.net | TONY MORROW |
| RJ NEUBERT PLBG | 314-849-5191 | rjneubert@aol.com | BOB NEUBERT |
| STAN-KEY PLBG SVC INC | 636-296-0064 | stan-key@swbell.net | STEVE STAHNKE |
| SUTTER PLBG CO | 314-427-0020 | sutterplumbingco@sbcglobal.net | STANLEY A ZUROSKY, SR |
| TEEL MECHANICAL | 573-642-9648 | tmsi@ktis.net | RICHARD TEEL |