| Name Organization | Address City, State Zip | Phone Mobile Phone | |
|---|---|---|---|
| Bill Spatz International Construction Equipment, Inc. | 412 Harvey Blvd. Belle Chasse, LA 70037 | (704) 821-8200 | |
| Sean Spatz International Construction Equipment, Inc. | 412 Harvey Blvd. Belle Chasse, LA 70037 | (704) 821-8200 | |
| Peter Speier Williams Form Engineering Corporation | 8165 Graphic Drive Belmont, MI 49306 | (616) 866-0815 | |
| Lon Spencer P.E. Spencer Enterprises, Inc. | P.O. Box 30828 Midwest City, OK 73140-3828 | (405) 424-3880 | |
| Randall Spencer Norwalk Marine Contractors, Inc. | 245 Access Road Stratford , CT 6615 | (203) 866-3344, Ext. 205 860.883.7720 | |
| 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 | |
| Dave Sposito Posillico Drilling | 1750 New Highway Farmingdale, NY 11356 | (718) 353-9616 | |
| Kris St. Onge NUMA | PO Box 348 Thompson, CT 06277-0348 | (860) 923-9551 | |
| 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 | |
| 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 Consultants, Geologists & Land Surveyors, D.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 | |
| Tommy Still S & ME, Inc. | 1330 Highway 501 Business Conway, SC 29526 | (843) 347-7800 | |
| 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 | |
| Matt Stone Lee & Sims Drilling Services, Inc. | 10659 Augusta Road Belton, SC 29627 | (864) 243-2682 | |
| 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 |
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