| Name Organization | Address City, State Zip | Phone Mobile Phone | |
|---|---|---|---|
| Joseph DiGregorio P.E. NYSDOT Geotechnical Engineering Bureau | 50 Wolf Road Albany, NY 12232 | (518) 457-4769 | |
| Matt Dillon International Drilling Equipment, Inc. | 645 Angus Street Rural Hall, NC 27045 | (877) 207-6062 | |
| Jerry DiMaggio P.E., D.GE | 162 Henlopon Avenue Rehoboth Beach, DE 19971 | (443) 852-4829, Ext. 800942 (443) 852-4829 | |
| Steve Dimino Schnabel Foundation Company | 610 Sycamore Street, Suite 360 Celebration, FL 34747 | (407) 566-0199 | |
| Molly Dinneen DeWitt Construction, Inc. | Box 201, 13023 NE Highway 99, Suite 7 Vancouver, WA 98686 | (360) 576-8755 | |
| Lisa DiRuscio Powell Foundations | 180 Ram Forest Road Stouffville, ON L4A 2G8 | (519) 824-9632 | |
| Joseph Dittmeier Hammer & Steel, Inc. | 11912 Missouri Bottom Road Hazelwood, MO 63042-2312 | (314) 895-4600 | |
| Tim Dittmeier Hammer & Steel, Inc. | 4469 County Road, 209 South Green Cove Springs, FL 32046 | (904) 284-6800 | |
| Jeff Dodson Schnabel Foundation Company | 315 Hertzog Boulevard King of Prussia, PA 19406-2613 | (610) 277-2950 | |
| Jeff Dodson Schnabel Foundation Company | 5210 River Road Bethesda, MD 20816 | (301) 657-3060 | |
| Patrick Doherty Peterson Geotechnical Construction LLC | 1551 East Genesee Street, Suite 115 Skaneateles, NY 13152 | (315) 685-1188 | |
| Javier Dominguez A.H. Beck Foundation Company, Inc. | Lot B PR-888 / Marginal PR-165, Palmas Industrial Park Catano, PR 962 | (800) 514-2325 | |
| Jeff Donville P.E. Beaty Construction, Inc. | 5292 West 100 North Boggstown, IN 46110 | (317) 835-2254 | |
| Becky Dorcon Center Rock Inc. | 118 Schrock Drive, Suite 101 Berlin, PA 15530 | (814) 267-7100 | |
| Michael Douglas International Construction Equipment, Inc. | 301 Warehouse Drive Matthews, NC 28104 | ||
| Daniel Dragone BAUER Equipment America | 9303 New Trails Dr., Suite 425 The Woodlands, TX 77381 | (713) 691-3000 | |
| Manfred Dreier BAUER Equipment America | 91 Greenville Road Livermore, CA 94551 | (925) 449-6001 | |
| Kevin Drennen OPS Sales Company | 7227 Devonshire Saint Louis, MO 63119 | (314) 771-3030 | |
| F. Driggers P.E. Driggers Engineering Services, Inc. | P. O. Box 17839 Clearwater, FL 33762 | (727) 591-1313 | |
| Eric Drumm P.E., Ph.D. University of Tennessee | Biosystems Engineering & Soil Science, 2506 E. J. Chapman Drive Knoxville, TN 37996-4531 | (865) 974-1152 | |
| Steve Drury | 4015 South Freeway Fort Worth, TX 76110 | (817) 927-8486 | |
| Douglas Dry Midco Sling of Dallas | 9101 John Carpenter Freeway Dallas, TX 75247 | (214) 688-0444 | |
| Joey Dry Midco Sling of Dallas | 9101 John Carpenter Freeway Dallas, TX 75247 | (214) 688-0444 | |
| Peggy Duffy Hagerty Engineering, Inc. | 335 Spring Street, Suite B Jeffersonville, IN 47130 | (502) 553-3211 | |
| George Dugan CETCO | 100 County Road 6478 Dayton, TX 77535-8348 | (281) 705-7791 |
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