| Name Organization | Address City, State Zip | Phone Mobile Phone | |
|---|---|---|---|
| Dan Rice Rain Forest Lumber Co., Inc. DBA RFL Group | P.O. Box 361 Lake Oswego, OR 97034 | 503-684-0774 503-887-2038 | |
| Adam Richardson Midwest Drill Service, Inc. | 9925 EXPRESS DRIVE, SUITE A HIGHLAND, IN 46322 | (219) 808-5373 | |
| Randy Richers New York Drilling Services, Inc. | P.O.Box 918 Saugerties, NY 12477 | (845) 246-9193 | |
| Gregory Righter Berkel & Company Contractors, Inc. | 2649 South 142nd Street Bonner Springs, KS 66012 | (913) 422-5125 | |
| Mark Rippe Terra Engineering & Construction Corporation | 2409 Vondron Road Madison, WI 53718-6735 | (608) 221-3501 (608) 575-5985 | |
| Eric Risberg Goettle | 2700 International Drive, Suite 303 Chicago, IL 60185 | (630) 206-4056 | |
| Katie Robbins EBS Geostructural, Inc. | 320 Woolwich Street South Breslau, ON N0B 1M0 | (519) 648-3613 | |
| Jesse Roberson CIA Machinery, Inc. | P.O. Box 763670 Dallas, TX 75376-3670 | (972) 224-5501 | |
| Bradford Roberts P.E. GZA GeoEnvironmental, Inc. | 249 Vanderbilt Ave Norwood, MA 02062-4674 | (781) 278-3700 7819831667 | |
| Krista Roberts Aldridge | 844 East Rockland Road Libertyville, IL 60048 | (847) 680-5200 | |
| Lance Roberts South Dakota School of Mines and Technology | Dept. of Civil Environmental Engr., 501 East St Joseph Street Rapid City, SD 57701 | (605) 394-1955 | |
| Donald Robertson P.E. Applied Foundation Testing, Inc. | 4035 J. Louis Street Green Cove Springs, FL 32043 | (904) 284-1337 | |
| Brent Robinson Pile Dynamics, Inc. | 30725 Aurora Road Cleveland, OH 44139 | (216) 831-6131 | |
| Carlee Robinson Longfellow Drilling | 4770 North Belleview Ave., Suite 300 Kansas City, MO 64116 | (816) 691-4250 | |
| Helen Robinson GEI Consultants, Inc. | 100 Campbell Blvd., Suite 103 Exton, PA 19341 | 2672545630 2672545630 | |
| Mike Robinson International Construction Equipment, Inc. | 301 Warehouse Drive Matthews, NC 28104 | (704) 821-8200 | |
| Shawn Robinson International Construction Equipment, Inc. | 310 Winston Creek Parkway Lakeland, FL 33809 | (704) 821-8200 | |
| Kevin Rodrigue Mammoth Constructors, LLC | 390 Golden Gem Drive Umatilla, FL 32784 | 352-771-5634 | |
| Frank Rodriguez Jr. RODRILL, Inc. | PO Box 489 Converse, TX 78109 | (210) 667-2130 | |
| Frank Rodriguez RODRILL, Inc. | PO Box 489 Converse, TX 78109 | (210) 667-2130 | |
| Adrian Rodriguez-Marek Virginia Tech | 200 Patton Hall Blacksburg, VA 24061-0105 | (540) 231 2307 | |
| Allison Roffel Isherwood Geostructural Engineers | 3100 Ridgeway Drive, Unit #3 Mississauga, ON L5L 5M5 | (905) 820-3480 | |
| A. Rohde University of Pretoria | Department of Civil Engineering Hatfield, Pretoria 28 | (2712) 420-2429 | |
| Brett Rohrscheib Rohrscheib Sons Caissons, Inc. | P.O. Box 236 New Hudson, MI 48165-0236 | (248) 437-2005 | |
| Steve Rohrscheib Rohrscheib Sons Caissons, Inc. | P.O. Box 236 New Hudson, MI 48165-0236 | (248) 437-2005 |
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