| Name Organization | Address City, State Zip | Phone Mobile Phone | |
|---|---|---|---|
| Scot Simon Epiroc USA LLC (formerly Atlas Copco) | 24 Saint James Court Philadelphia, PA 19106 | (610) 428-4977 | |
| Robert Simpson Load Test Consulting, Ltd. | 320 Town Center Ave., Suite C-11, #148 Suwanee, GA 30024 | 678-262-6932 | |
| Don Sims Lee & Sims Drilling Services, Inc. | 10659 Augusta Rd Belton, SC 29627 | (864) 243-2682 | |
| John Sims Lee & Sims Drilling Services, Inc. | 10659 Augusta Rd Belton, SC 29627 | (864) 243-2682 | |
| Vic Sinclair John Lawrie, Inc. | 15555 Miller Rd, #1 Houston, TX 77049 | (281) 456-7100 | |
| Don Singer DSI Canada Civil, Ltd. | 19433 96th Avenue, #103 Surrey, BC V4N 4C4 | (604) 888-8818 | |
| Jon Sinnreich Load Test Consulting, Ltd. | 320 Town Center Ave., Suite C-11, #148 Suwanee, GA 30024 | (678) 472-3116 | |
| Penny Sisson American Piledriving Equipment, Inc. | Southeast Regional Office, 1345 Industrial Park Road Mulberry, FL 33860 | (863) 324-0378 | |
| Umaipalan Sivaratnarajah EarthSpectives | 250 Goddard Irvine, CA 92618 | (949) 777-1270 | |
| Siva Sivathayalan Carleton University | 1415 Colonel By Drive Ottawa, ON | (613) 520-2600 | |
| David Sjogren Matcon Excavation & Shoring Ltd. | 2208 Hartley Avenue Coquitlam, BC V3K 6X3 | (604) 520-5909 | |
| Frederick Slack Goettle | 12071 Hamilton Avenue Cincinnati, OH 45231 | (513) 825-8100 | |
| Scott Slater Keystone Drill Services, Inc. | 184 Alisa Street Somerset, PA 15501-7742 | (814) 443-2670 | |
| Scott Slater Epiroc USA LLC (formerly Atlas Copco) | 3700 East 68th Avenue, PO Box 1159 Commerce City, CO 80022 | (303) 717-2731 | |
| Peter Smeallie | 600 Woodland Terrace Alexandria, VA 22302-3319 | (703) 683-1808 | |
| Bruce Smith Berkel & Company Contractors, Inc. | 2330 Precinct Line Road Richmond, TX 77406 | (281) 344-1090 | |
| Chris Smith United Structural Systems, Inc. | 2111 Boat Factory Road Pleasant View, TN 37146 | (615) 227-2275 | |
| George Smith International Construction Equipment, Inc. | 3006 Deeds Road Houston, TX 77084 | (704) 821-8200 | |
| James Smith P.E. Professional Service Industries, Inc. (PSI) | 11825 S Portland Ave Oklahoma City, OK 73170 | (405) 632-8800 | |
| Ryan Smith Sparta Crane & Construction | 4322A Charter Oaks Drive Temple, TX 76502 | (254) 613-5646 | |
| Stan Smith Olson Engineering, Inc. | 12401 West 49th Avenue Wheat Ridge, CO 80033 | (303) 423-1212 | |
| Trevor Smith P.E. Portland State University | Department of Civil Engineering, P.O. Box 751 Portland, OR 97207-0751 | (503) 725-3225 | |
| Andrew Sneddon Aecon Foundations | 9700 Endeavor Drive SE Calgary, AB T3S 0A1 | (403) 293-9300 ext. 3322 | |
| Andrew Sneddon R.S. Foundation Systems Ltd. | 9700 Endeavor Drive SE Calgary, AB T3S 0A1 | 403 370 7813 | |
| W.L. Snow Palmetto Gunite Construction Co. Inc. | P.O. Box 388, 5330 Savannah Highway Ravenel, SC 29470 | (843) 889-2227 |
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