| Name Organization | Address City, State Zip | Phone Mobile Phone | |
|---|---|---|---|
| Jeffrey Sewell P.E. Schnabel Engineering, Inc. | 1504 Woodlawn Drive Baltimore, MD 21207 | (410) 944-6170 | |
| Jim Sexton DBM Contractors, Inc. | 1220 South 356th Street (PO Box 6139) Federal Way, WA 98003 (98063) | (253) 838-1402 | |
| Charles Shackelford Prof. Colorado State University | Department of Civil and Environmental Fort Collins, CO 80523 | (970) 491-5051 | |
| Donna Shady Watson Drill Rigs | 4015 South Freeway Fort Worth, TX 76110 | (817) 927-8486 | |
| Isam Shahrour Ecole Universitaire D'Ingenieurs De Lille (EUDIL) | Universite Des Sciences Et Technologies, De Lille (USTL) Villeneuve D'ascq Cedex, 59 655 | (33) 3 20 43 45 45 | |
| Dennis Shallenberger G.E. Earth Systems Pacific | 4378 Old Santa Fe Road San Luis Obispo, CA 93401-8116 | (805) 544-3276 | |
| Rayan Shamas GZA GeoEnvironmental, Inc. | 249 Vanderbilt Avenue Norwood, MA 2062 | (781) 278-3700 | |
| Saul Shapiro Langan Engineering & Environmental Services | 360 West 31st Street, 8th Floor New York, NY 10001 | (212) 479-5488 (646) 763-1437 | |
| Kevin Sharp Western Equipment Solutions, LLC | 681 S March Street Salt Lake City, UT 84104-4301 | (780) 446-7857 | |
| Jim Shaver Berkel & Company Contractors, Inc. | 2330 Precinct Line Road Richmond, TX 77406 | (281) 344-1090 | |
| Thomas Sheahan Northeastern University | 400 Snell Engineering Center, 360 Huntington Avenue Boston, MA 02115-5005 | (617) 373-3825 | |
| Gene Sheedy Midwest Drilled Foundations & Engineering, Inc. | 200 S. Prairie Avenue Waukesha, WI 53186 | ||
| Joe Sheehan EE Cruz Inc | 32 Avenue of the Americas New York, NY 10013 | (212) 431-3993 (631) 831-3452 | |
| Mike Shepherd PACO Ventures, LLC | 9276 Beatty Drive Sacramento, CA 95826 | (916) 919-2755 | |
| Angie Sheridan Intech Anchoring Systems, Inc. | 8250 Bunkum Rd Caseyville, IL 62232 | 618-398-5503 | |
| Fred Shin ATS Drilling, Inc. | 6559 Midway Road Fort Worth, TX 76117 | (817) 498-0040 | |
| David Shupe Drill Tech Drilling & Shoring, Inc. | 2200 Wymore Way Antioch, CA 94509 | (925) 978-2060 | |
| Eric Si Luoyang Sinorock Engineering Material Co., Ltd. | No.1 Fenghua Road, High-Tech District Luoyang, Henan Province 471000 | 86-18537992030 | |
| Ken Sifford Mississippi Valley Equipment Company | 1198 Pershall Road Saint Louis, MO 63137-3538 | (314) 869-8600 | |
| Jose Calisto Silva Biggs Cardosa Associates, Inc. | 500 S. Main Street, Suite 400 Orange, CA 92868 | 7143528317 9494249601 | |
| Sean Silveira Hillside Drilling, Inc. | P.O. Box 70130 Pt. Richmond, CA 94807 | (510) 234-6532 | |
| Sarah Silverberg 7239900 SAGE Environmental, Inc. | 172 Armistice Blvd Pawtucket, RI 2860 | 4017239900, Ext. 113 | |
| Marco Silvestre Building & Earth Sciences, Inc. | 1403 S 70th East Ave Tulsa, OK 74112 | (918) 439-9005 | |
| Kelly Simon Equipment Corporation of America | 1 Merion Terrace, P.O. Box 837 Aldan, PA 19018 | (412) 264-4480 | |
| Scot Simon Epiroc USA LLC (formerly Atlas Copco) | 24 Saint James Court Philadelphia, PA 19106 | (610) 428-4977 |
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