| Name Organization | Address City, State Zip | Phone Mobile Phone | |
|---|---|---|---|
| Chris Wynn Taylor Ridge Drilled Foundations, Inc. | 6710 - 134th Avenue West Taylor Ridge, IL 61284 | (309) 798-5220 | |
| Dan Wynn Taylor Ridge Drilled Foundations, Inc. | 6710 - 134th Avenue West Taylor Ridge, IL 61284 | (309) 798-5220 | |
| Daniela Xavier InGeo Design, LTD | 18 Wynford Dr., Suite 204 Toronto, ON M3C 3S2 | (416) 481-3030 | |
| Cory Yacyshyn Matcon Excavation & Shoring Ltd. | 2208 Hartley Avenue Coquitlam, BC V3K 6X3 | (604) 520-5909 | |
| James York The H&K Group | 1 Quarry Rd Douglasville, PA 19518 | (267)644-6987 | |
| Richard Yoshida Clifton Associates Ltd. | 340 Maxwell Crescent Regina, SK S4N5Y5 | 306.721.7611 | |
| Musharraf Zaman University of Oklahoma | School of Engineering Norman, OK 73019 | (405) 325-2626 | |
| Kim Zampogna Taylor Ridge Drilled Foundations, Inc. | 6710 - 134th Avenue West Taylor Ridge, IL 61284 | (309) 798-5220 | |
| David Zanchetta Berminghammer Foundation Equipment (Soletanche Bachy Canada) | 600 Ferguson Ave. N. Hamilton, ON L8L 4Z9 | 905-528-7924 | |
| Justin Zarella GZA GeoEnvironmental, Inc. | 249 Vanderbilt Avenue Norwood, MA 2062 | (781) 278-3700 | |
| Marek Zawierucha Con-Tech Systems Ltd. | 8150 River Road Delta, BC V4G 1B5 | (604) 946-5571 | |
| Allan Zdunich CD Construction Drilling Inc. | 2958 Boys Road Duncan, BC V9L 6W4 | 604.809.6036 | |
| Michael Zeman Pacific Foundation Inc | 7206 NE 47th Ave Vancouver, WA 98661 | 360.200.6608 360.907.3481 | |
| Terry Zettle Commerce Construction Corporation | P.O. Box 662 Bridgeport, NJ 08014-0662 | (856) 241-0300 | |
| Bill Ziadie American Piledriving Equipment, Inc. | Northeast Regional Office, 401 Hartle Street Sayerville, NJ 8872 | (732) 432-6604 | |
| Scott Zimmerman P.E. Terra Engineering & Construction Corporation | 135 Dynex Drive Pewaukee, WI 53072 | (608) 221-3501 | |
| Scott Zimmerman P.E. Terra Engineering & Construction Corporation | 2201 Bondron Road Madison, WI 53718-6795 | (608) 221-3501 | |
| Thomas Zimmie Ph.D., P.E., D.GE, F.ASCE Rensselaer Polytechnic Institute | 110 - 8th St., Civil & Environmental Engineering Dept. Troy, NY 12180 | (518) 276-6939 | |
| John Zito Sr. Junttan Oy | 10253 Stone Creek Drive, Suite 2 Laurel, DE 19956 | (860) 604-6088 (860) 604-6088 | |
| M. Zoghi Ph. D. University of Dayton | Department of Civil & Environmental Eng. Dayton, OH 45469-0243 | (513) 229-2981 | |
| Jorge Zornberg Ph.D., P.E. The University of Texas At Austin | Civil Engineering Department, 1 University Station C1792 Austin, TX 78712-0280 | (512) 232-3595 | |
| Brian Zuckerman Berkel & Company Contractors, Inc. | 81 Langston Street, Suite 10 San Francisco, CA 94103 | (415) 495-3627 |
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