| Name Organization | Address City, State Zip | Phone Mobile Phone | |
|---|---|---|---|
| Eberhard Heinzemann GSS Titan Central America S.A. | Bella Vista Calle 43, Edif. Colores de Bella Vista Piso 6, Oficina A, Panama | (507) 6679-0066 | |
| Eberhard Heinzemann GSS Titan Central America S.A. | 3323 W 21st Avenue Vancouver, BC V6S 1G8 | (604) 220-3649 | |
| James Heller French & Parrello Associates, P.A. | 1800 Route 34, Suite 101 Wall, NJ 7719 | (732) 312-9800 | |
| Craig Hellmich Beaty Construction, Inc. | 5292 West 100 North Boggstown, IN 46110 | (317) 835-2254 | |
| Joshua D. Hendershot DIG-IT, Inc. | 1601 S M-37 HWY Hastings, MI 49058 | ||
| Tommy Hendricks Palmetto Gunite Construction Co. Inc. | P.O. Box 388, 5330 Savannah Highway Ravenel, SC 29470 | (843) 889-2227 | |
| Robert Henley DarDrill, Inc. | 131 California Drive Williamsville, NY 14221 | (716) 634-0484 | |
| Rick Hennessey Traxxon Foundation Equipment | 2796 Norland Avenue Burnaby, BC V5B 3A6 | (604) 320-2030 | |
| Cale Henry Mid-America Drilling Corporation | 14418 S 28th St Bellevue, NE 68123 | 402-278-0333 | |
| Fred Henry Mid-America Drilling Corporation | P.O. Box 399 Oakland, IA 51560-0399 | (712) 482-6911 | |
| John Henry Mid-America Drilling Corporation | P.O. Box 399 Oakland, IA 51560-0399 | (712) 482-6911 | |
| Gary Henshaw CD Construction Drilling Inc. | 2958 Boys Road Duncan, BC V9L 6W4 | (250) 746 4408 | |
| Justin Henwood Federal Highway Administration | 12300 West Dakota Avenue, P O Box 25246, HTS-16.6 Lakewood, CO 80228 | (720) 963-3362 | |
| Richard Hepworth Kumar & Associates, Inc. | 10302 South Progress Way Parker, CO 80134 | (303) 841-7119 | |
| Rick Hern Doosan Infracore Portable Power | 1293 Glenway Drive Statesville, NC 28625 | (704) 883-3803 | |
| Justin Hernandez P.E. Oklahoma Department of Transporation | 200 N. E. 21st Street, B3 Oklahoma City, OK 73105-3204 | 405.522.3414 | |
| Wayne Herring | 511 Schwartz Valley Road Schuylkill Haven, PA 17972 | (570) 573-9255 (570) 573-9255 | |
| Bernard Hertlein GEI Consultants, Inc. | 400 North Lakeview Parkway, Suite 140 Vernon Hills, IL 60061 | (847) 922-9224 | |
| Bill Herwig Tri-State Drilling, Inc. | PO Box 252 Hamel, MN 55340-0252 | (763) 553-1234 | |
| Richard Heskett CETCO | St. Petersburg, FL 33712 | (316) 285-6682 | |
| Sean Hibbits P.E. Intech Anchoring Systems, Inc. | 8250 Bunkum Road Caseyville, IL 62232 | (800) 223-7015 314-397-5479 | |
| Dave Hicks Goettle | 12071 Hamilton Avenue Cincinnati, OH 45231 | (513) 825-8100 | |
| Jeffrey Hill Hayward Baker Inc. | 7550 Teague Rd. Suite 300 Hanover , MD 21076 | (410) 551-8200 | |
| Dennis Hiltunen University of Florida | 365 Weil Hall, P. O. Box 116580 Gainesville, FL 32611 | (352) 392-9537 x1468 | |
| Dirk Himborg RTG Rammtechnik GmbH | Bauer Strasse 1 Schlobenhausen, 86529 | +49 8252 97-2751 |
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