| Name Organization | Address City, State Zip | Phone Mobile Phone | |
|---|---|---|---|
| Matthew Snyder I & Y Construction, LLC | 340 Snyder Creek Road New Enterprise, PA 16664 | 814-766-2171 | |
| 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 | |
| Mike Songer IHC IQIP America, Inc. | 206 Cummings Rd. Broussard, LA 70518 | (337) 837-9224 | |
| Scott Sontag JDH Contracting, Inc. | 8109 Network Drive Plainfield, Indiana 46168 | 317-839-0520 317-339-8232 | |
| Richard Soppe Center Rock Inc. | 118 Schrock Drive, Suite 101 Berlin, PA 15530 | (814) 267-7100 | |
| 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 | |
| Derrick Speakman P. Eng. Anchor Shoring & Caissons, Ltd. | 100 New Park Place, 5th Floor Vaughan, ON L4K 0H9 | (416) 292-1401 | |
| Donald Speakman PENNDRILL Manufacturing - Winchester, VA | 321 Arbor Court Winchester, VA 22602 | (540) 771-5882 | |
| Peter Speier Williams Form Engineering Corporation | 8165 Graphic Drive Belmont, MI 49306 | (616) 866-0815 | |
| Mark Spence Doublestar Drilling | 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 | |
| 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 | |
| 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 | |
| Tom Stack Anchor Shoring & Caissons, Ltd. | 100 New Park Place, 5th Floor Vaughan, ON L4K 0H9 | (416) 292-1401 | |
| W. Hank Stack Duffield Associates, Inc. | 5400 Limestone Road Wilmington, DE 19808-1232 | (302) 239-6634 | |
| David Stahlman | 1293 Glenway Drive Statesville, NC 28625 | (704) 883-3691 | |
| Rob Stanko The Hydaker-Wheatlake Company | 420 Roth Street, Suite B Reed City, MI 49677 | (231) 832-2258 |
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