| Member Name | Contact | Address | Phone Number |
| Sargent Electric Company | Mark Staudt, GM Commercial | 2767 Liberty Avenue Pittsburgh PA 15222-4703 | (412) 394-7569 |
| Scalise Industries Corporation | Joseph C. Scalise, Business Development | 108 Commerce Blvd Suite A - PO Box 611 Lawrence PA 15055 | (724) 746-5400 |
| Schnabel Foundation Company | Jeffrey Dodson | 315 Hertzog Blvd King of Prussia PA 19406 | (610) 277-2950 |
| Schnader Harrison Segal & Lewis LLP | Michael G. Bock, P.E., Esq. | Fifth Avenue Place, Suite 2700 Pittsburgh PA 15222 | (412) 577-5213 |
| Schneider Downs & Company, Inc. | Gennaro DiBello | 1133 Penn Avenue Pittsburgh PA 15222 | (412) 261-3644 |
| Sebring & Associates | Brenda B. Sebring, Esq. | 2735 Mosside Blvd Monroeville PA 15146 | (412) 856-3500 |
| Seubert & Associates, Inc. | Brian F. Jeffe, Managing Partner Surety | P.O. Box 41120 1010 Ohio River Boulevard Pittsburgh PA 15202 | (412) 734-4900 |
| SPECTRA Contract Flooring | Colleen DeFilippo, President | 26 39th Street Pittsburgh PA 15201 | (412) 683-1273 |
| Stevens Engineers & Constructors, Inc. | Paul Dellemonache Jr., General Manager, Corporate Business Development | Southpointe Industrial Park 150 Technology Drive Canonsburg PA 15317 | (724) 873-1200 |
| Swank Associated Companies, Inc. | Jeff Kerr, Building Trades Manager | 200 Hunt Valley Road New Kensington PA 15068 | (724) 335-6000 |