| Name Organization | Address City, State Zip | Phone Mobile Phone | |
|---|---|---|---|
| Erin Sperry SperryCo, LLC | 3624 Dixon Rd Mannsville, NY 13661 | (315) 816-1881 (315) 816-1881 | |
| Garett Speyer DeWitt Construction, Inc. | Box 201 13023 NE Highway 99, Suite 7 Vancouver, WA 98686 | (360) 576-8755 | |
| Mike Spurlin McKinney Drilling Company | 15800 Interstate Highway 35 (physical address), P O Box 957 (mailing address) Buda, TX 78610 | (512) 312-1525 | |
| Michael St. Germain Hayward Baker Inc. | 14718 Pipeline Avenue, Suite B Chino Hills, CA 91709 | (909) 393-9300 | |
| Kris St. Onge NUMA | PO Box 348 Thompson, CT 06277-0348 | (860) 923-9551 | |
| Douglas Stapel Trinity Products, Inc. | 1969 West Terra Lane O'Fallon, MO 63366 | (800) 456-7473 | |
| Bo Steding DRILLTOOLS | 4001 Enterprise Street, PO Box 3366 Kilgore, TX 75662 | (903) 986-3745 | |
| James Steele P.E. Steele Foundation, L.L.C. | 1420 Beverly Road, Suite 380 McLean, VA 22101 | (202) 342-1194 | |
| Ronald Steele P.E. Steele Foundation, L.L.C. | 1420 Beverly Road, Suite 380 McLean, VA 22101 | (202) 342-1194 | |
| Alan Stephens Jeffrey Machine, Inc. | 3841 Industrial Drive Birmingham, AL 35217 | (205) 841-8600 205-306-6146 | |
| Scott Stephens Miller Pacific Engineering | 504 Redwood Blvd., Suite 220 Novato, CA 94947 | (415) 382-3444 | |
| Michael Stern Morris Industries Inc. | 777 RT 23 Pompton Plains (Morris), NJ 7444 | 9738356600 | |
| John Stewart Brayman Construction Corporation | Foundation Division, 1000 John Roebling Way Saxonburg, PA 16056 | (724) 443-1533 | |
| Jonathan Stewart University of California at Los Angeles | 5750 Boelter Hall, University of California Los Angeles, CA 90095-1593 | (310) 206-6260 | |
| Mark Stier Tectonic Engineering & Surveying Consultants P.C. | 70 Pleasant Hill Rd., P.O. Box 37 Mountainville, NY 10953 | (845) 534-5959 | |
| Robert Stier Drill Tech Drilling & Shoring, Inc. | P O Box 1846 Cockeysville, MD 21030 | 4105981933 4105981933 | |
| Frank Stockdale Star Iron Works, Inc. | 257 Caroline Street Punxsutawney, PA 15767 | (814) 427-2555 | |
| Kenneth Stokoe II University of Texas at Austin | Dept of Civil, Arch & Enviro Engineering 301 E. De, 301 E. Dean Keeton St. STOP 1792 Austin, TX 78712 | (512) 471-4929 | |
| Scott Stonecheck Moretrench | 144 Dexter Drive Monroeville, PA 15146 | (412) 793-9303 | |
| 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 | |
| Cindy Studeman DMI Drilling Construction | 14211 16th Street East, Unit 8 Sumner, WA 98390-9608 | (253) 891-1311 | |
| 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 |
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