| Adfast | Matt Klinger | 314-753-0964 | |
| Adfast | Dylan Carter | 314-753-0964 | |
| Burns & McDonnell | David Meyers | 314-210-2735 | |
| Centria | Brian Finnegan | 314-378-1635 | |
| Charles E. Bell Architects, Inc. | Charles Bell | 314-721-0167 | |
| Chiodoni Architects | Steven Mueller | 314-471-3747 | |
| Coating Solutions | Michael Cerutti | 314-703-8042 | |
| Coating Solutions | Heather Hendricks | 314-703-8042 | |
| Dickey Sales | Mike Dickey | | |
| Does Windows LLC | Jack Hornsey | 314-378-5025 | |
| EDM Incorporated | Chris Kerckhoff | 314-335-6915 | |
| EDM Incorporated | Bill Burmeister | 314-335-6915 | |
| En-Comm | Scott Voyles | 618-604-3479 | |
| Foresight Consulting | Kyle Korte | 618-654-8919 | |
| GCP | Tony Moore | | |
| GIE Ltd | Matt Wehking | 314-878-0102 | |
| Goedecke | Mike Rafferty | 314-581-1080 | |
| Goedecke | Curt Rafferty | 636-542-2191 | |
| Goedecke | Brent Smith | 314-581-7457 | |
| Gray Design Group | Chris Perron | | |
| Group4 Reps | Mike Moriarity | 314-302-3076 | |
| Group4 Reps | Andrew Dillard | 314-302-3076 | |
| Heitmann Associates, Inc. | George Crow | 314-439-1944 | |
| Heitmann Associates, Inc. | David Thiemet | 314-439-1944 | |
| Holland Construction | Dan Liening | 618-277-8870 | |
| IWR | Mike Smalley | 314-633-4919 | |
| IWR | David Hanson | | |
| KAI | Bruce LaSurs | 314-952-7991 | |
| Korte Company | Dan Liening | 618-654-8611 | |
| KRJ Architects | David Kromm | 314-432-7020 | |
| Lindberg Waterproofing | Keith Coffey | 314-429-6850 | |
| Lindberg Waterproofing | Patti Johnson | 314-429-6850 | |
| Lindberg Waterproofing | Steve Steward | 314-429-6850 | |
| Luna & Associates | Corina Moore | 314-610-9707 | |
| Luna & Associates | Greg Luna | 314-614-5898 | |
| Mason Contractors Assoc. | David A. Gillick | 314-645-1966 | |
| Midwest Block & Brick | Danielle Bach | 314-291-3200 | |
| Momentive Performance Products | Wesley Sherrer | 704-805-6229 | |
| Negwer Materials | Eric Smith | 314-565-3382 | |
| Negwer Materials | David Foppe | 314-595-4417 | |
| NGG LTD., Inc. | Mo | 314-764-7739 | |
| Paric Corporation | Jeff Fischer | 636-561-9569 | |
| Paric Corporation | Michael Picker | 636-561-9569 | |
| Paric Corporation | Ryan Fennewald | 314-412-3658 | |
| Prosoco | Clay Witt | 785-691-9393 | |
| PSI | Kyle Heinzl | 314-262-0470 | |
| PSI | Nick Ehlers | 314-610-8073 | |
| PSI | Brandon Fisher | | |
| Rex Chang | Rex Chang | 636-391-9678 | |
| Roofing Sales | Kevin Geil | 636-946-0100 | |
| Rooftech Consulting | Cale Prokopf | 618-616-1114 | |
| Rooftech Consulting | Brad Poths | 618-616-1114 | |
| Rooftech Consulting | Scott Herman | 618-616-1114 | |
| Rooftech Consulting | Chad Williams | 618-616-1114 | |
| Rosen Scarfino LLC | Brett Scarfino | 314-225-9749 | |
| Rosen Scarfino LLC | Aaron Rosen | 314-225-9749 | |
| Shield Systems, Inc. (NGG) | Thomas Sutter | 314-713-2271 | |
| Sitton Energy Solutions | Katie Stein | 314-309-2029 | |
| SM Wilson | Mark Allen | 314-633-5722 | |
| Tarlton Construction | Dave Runge | 314-633-3300 | |
| Tremco | David Horshig | | |
| Tremco | Pat Geraghty | | |
| Universe Façade Solutions | Matt Ford | 314-439-2831 | |
| Universe Façade Solutions | Brian Bequette | 314-439-2831 | |
| Universe Façade Solutions | Mitch Stewart | 314-439-2831 | |
| Universe Façade Solutions | Bill Latta | 314-439-2831 | |
| Webster University | Craig Miller | 314-603-9549 | |
| Lawrence Group | Mike Marcinkiewicz | 314-231-5700 | |
