| Name Organization | Address City, State Zip | Phone Mobile Phone | |
|---|---|---|---|
| Randy DeFosse Western Pacific Crane & Equipment | 19602 60th AVE NE Arlington, WA 98223 | 253.254.7950 | |
| David DeFrang Versatile Drilling Contractors, Inc. | P.O. Box 80287 Seattle, WA 98108 | (206) 763-9776 | |
| Curt Degner Taylor Ridge Drilled Foundations, Inc. | 6710 - 134th Avenue West Taylor Ridge, IL 61284 | (309) 798-5220 | |
| Jeff DeGroot Sabre Communications Corporation | 2101 Murray Street Sioux City, IA 51111 | (712) 224-1480 | |
| Robert Dehod Ledcor Foundations Ltd. | 7008 Roper Road NW Edmonton, AB T6B 3H2 | (780) 462-4211 | |
| Tyson Deklavs Hayward Baker Inc. | 839 St. Charles Avenue, Suite 100 New Orleans, LA 70130-3740 | (504) 321-2420 | |
| David Delorme Mincon Group PLC | PO Box 13886 Roanoke, VA 24038 | (540) 344-9939 | |
| David DeMuro United Dynamics, Inc. | 2555 Cannon Street New Albany, IN 47150 | (812) 282-2222 | |
| Anthony Denier New York Drilling Services, Inc. | P.O.Box 918 Saugerties, NY 12477 | (845) 246-9193 | |
| Norman Dennis Jr. , Ph.D., P.E. University of Arkansas | 4190 Bell Engineering Center Fayetteville, AR 72701 | (479) 575-2933 | |
| Steve Dennis Rev Drill Sales & Rentals, Inc. | 4605 Wedgewood Blvd Frederick, MD 21703 | (301) 662-6552 | |
| Ross Dennison SAS Stressteel, Inc. | 3736 South Tacoma Way Tacoma, WA 98409 | (253) 237-9008 | |
| David DePaco Malcolm Drilling Company, Inc. | 4926 North Azusa Canyon Road Irwindale, CA 91706 | (626) 338-0035 | |
| David DePaco Malcolm Drilling Company, Inc. | 3503 Breakwater Court Hayward, CA 94545 | (510) 780-9181 | |
| Anthony DePasquale P.E. Vachris Engineering P.C. | 370 Old Country Rd., Suite 180 Garden City, NY 11530 | (516) 747-5096 | |
| Gina Depperschmidt Superior Foundation Equipment | 7530 - 114th Avenue SE Calgary, AB T2C 4T3 | 403-263-9776 403-818-7663 | |
| Paul Derrico Derrico Enterprises | 4001 Inglewood Ave., 101-634 Redondo Beach, CA 90278 | 3106294257 3106294257 | |
| Jerrod Dersch Ledcor Foundations Ltd. | 7008 Roper Road NW Edmonton, AB T6B 3H2 | (780) 462-4211 | |
| Ty Dewitt DeWitt Construction, Inc. | Box 201, 13023 NE Highway 99, Suite 7 Vancouver, WA 98686 | (360) 576-8755 | |
| Wayne Dewitt DeWitt Construction, Inc. | Box 201, 13023 NE Highway 99, Suite 7 Vancouver, WA 98686 | (360) 576-8755 | |
| Anna Dexter Thorton DYWIDAG Systems International, Inc. | 320 Marmon Drive Bolingbrook, IL 60440 | (630) 972-4035 | |
| Gary Dhaliwal Mainland Shoring & Deep Foundations Ltd | Unit 208 - 12899 80th Avenue Surrey, BC V3W 0E6 | ||
| Gianfranco Di Cicco GDConsulting LLC | P.O. Box 542019 Lake Worth, FL 33463 | (617) 784-2027 (617) 784-2027 | |
| Vinnie Di Fabio PACO Ventures, LLC | P.O. Box 3742, 250 S. Webster Street Seattle, WA 98108 | (206) 762-3550 | |
| Michael Diakun Keller Foundations Ltd. | 254 Main Street North, Unit 1 Acton, ON L7J 1W9 | (905) 878-7959 |
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