| Name Organization | Address City, State Zip | Phone Mobile Phone | |
|---|---|---|---|
| Steve Snyder Hammer & Steel, Inc. | 4469 County Road, 209 South Green Cove Springs, FL 32046 | (904) 284-6800 | |
| Khaled Sobhan Florida Atlantic University | Florida Atlantic University, 777 Glades Road Boca Raton, FL 33431 | (561) 297-3473 | |
| Zak Sobotka D'Appolonia | 701 Rodi Road, Floor 2 Pittsburgh, PA 15235-4559 | (412) 229-1590 | |
| Paul Solis Spiradrill | 112 FM 153 Smithville, TX 78957 | 619-274-0459 | |
| Richard Soppe Center Rock Inc. | 118 Schrock Drive, Suite 101 Berlin, PA 15530 | (814) 267-7100 | |
| Clauidio Soto Lenz Foremost | 1225 64th Avenue NE Calgary, AB T2E 8P9 | (403) 295-5800 | |
| Trent Southworth Parks Drilling Company, Inc. | 5745 Avery Road Dublin, OH 43016-9731 | (614) 761-7707 | |
| 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 | |
| Mark Spence Doublestar Drilling Inc. | 25180 117 Ave Acheson, ab T7X 6C2 | ||
| 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 | |
| Mike Spieght Big Dog Drilling, LLC. | 974 Camp Creek Rockwall, TX 75087 | (972)-771-0173 (214)-537-0379 | |
| Dave Sposito Posillico Drilling | 1750 New Highway Farmingdale, NY 11356 | (718) 353-9616 | |
| Mike Spurlin McKinney Drilling Company | 15800 Interstate Highway 35 (physical address), P O Box 957 (mailing address) Buda, TX 78610 | (512) 312-1525 | |
| 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 | |
| Michael Stern Morris Industries Inc. | 777 RT 23 Pompton Plains (Morris), NJ 7444 | 9738356600 |
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