| Name Organization | Address City, State Zip | Phone Mobile Phone | |
|---|---|---|---|
| Scott Stonecheck Moretrench | 144 Dexter Drive Monroeville, PA 15146 | (412) 793-9303 | |
| Trip Story Drillers' Choice, Inc. | 1847 Candy Lane, Suite B Marietta, GA 30008 | (770) 420-7051 | |
| Wayne Street Street Foundation Drilling, Inc. | 4350 South Treadway, P.O. Box 5054 Abilene, TX 79602 | (325) 695-0583 | |
| Bruce Stroyer IDEAL Group | 80 Bluff Drive East Rochester, NY 14445 | 585-872-7190 585-645-8372 | |
| Paul Stubbs GeoTech Services, Inc. | 350 Golden Oak Parkway Cleveland, OH 44146 | (440) 439-5821 | |
| T. Caleb Sturges Pennsylvania Drilling Company (dba PENNDRILL Manufacturing) | 281 Route 30 Imperial, PA 15126 | 724-695-2400 | |
| Beena Sukumaran Rowan University | 201 Mullica Hill Road Glassboro, NJ 8028 | (856) 256-5324 | |
| Muhannad Suleiman Lehigh University | 13 East Packer Avenue Bethlehem, PA 18015 | (610) 758-3545 | |
| Greg Sullivan Subsurface Construction Company, LLC | 1107 Fuller Street Raleigh, NC 27603 | (919) 857-4609 | |
| Dave Swain Olin Engineering Inc., DBA Olinpump | 15622 Computer Ln Huntington Beach, CA 92649 | (714) 897-1230 , Ext. 2 (949) 466-6727 | |
| Paul Swan Epiroc USA LLC (formerly Atlas Copco) | 3700 East 68th Avenue, PO Box 1159 Commerce City, CO 80022 | (303) 717-2731 | |
| Roger Swap Highway Service Company, Inc. | 26401 Hall Road Woodhaven, MI 48183 | (734) 675-1000 | |
| Darin Sweeney Rev Drill Sales & Rentals, Inc. | 4605 Wedgewood Blvd Frederick, MD 21703 | (301) 662-6552 | |
| Mark Sweesy McKinney Drilling Company | 273 Lakeview Dr, Suite 101 Woodstock, VA 22664 | (540) 459-9529 | |
| Allison Swindell GMS Piling Products | 827 Sans Souci Parkway Hanover Township, PA 18706 | (570) 474-5055 (717) 939-3727 | |
| Gene Swindell GMS Piling Products | 827 Sans Souci Parkway Hanover Township, PA 18706 | 1 (570) 675-2933 | |
| John Swindell GMS Piling Products | 827 Sans Souci Parkway Wilkes Barre, PA 18706 | 5705781276 | |
| David Swoap S & ME, Inc. | 281 Fairforest Way Greenville, SC 29607 | (864) 297-9944 | |
| Chris Sykes Pacific Coast Drilling Company, Inc. | 364 Lindberg Lane Santa Rosa, CA 95407 | (707) 778-8316 | |
| Lese Sykes Pacific Coast Drilling Company, Inc. | 364 Bellevue Ave Santa Rosa, CA 95407 | (707) 778-8316 | |
| Tayfun Tamer ARMADOR Piling Tools | Esat Caddesi, 35/5, Cankaya Ankara, Turkey 6660 | 903124240409 | |
| Thomas Tarpy Jr. , Ph.D., P.E. Stanley D. Lindsey & Associates, Ltd. | 750 Old Hickory Boulevard, Building 1, Suite 175 Brentwood, TN 37027 | (615) 320-1735 | |
| Steven Tartabibi GeoTech Services, Inc. | 350 Golden Oak Parkway Cleveland, OH 44146 | (440) 439-5821 | |
| Raymond Tartabini GeoTech Services, Inc. | 350 Golden Oak Parkway Cleveland, OH 44146 | (440) 439-5821 | |
| Dariaus Tata Hammer & Steel, Inc. | P.O. Box 1096, 401 West Channel Road Benicia, CA 94510 | (707) 746-7820 |
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