| Name Organization | Address City, State Zip | Phone Mobile Phone | |
|---|---|---|---|
| Doug Chappell P.E. Wurster Engineering & Construction, Inc. | 34 Carrie Drive Greenville, SC 29615 | (864) 313-2334 | |
| Luc Charland GeoRocFor inc. | 165 Joseph-Robertson Sherbrooke, QC J1L 2W7 | 819-569-4207 | |
| Michael Charlton Pro-Dig, LLC | 720 E 9th St., Suite 4 Lawrence, KS 66044 | (785) 856-2661 | |
| Adam Chavez Mutual Drilling Co. Inc. | 2201 Isleta Boulevard South West Albuquerque, NM 87105 | (505) 877-0520 | |
| Johnny Chavez Mutual Drilling Co. Inc. | 2201 Isleta Boulevard South West Albuquerque, NM 87105 | (505) 877-0520 | |
| Mariscela Chavez Mutual Drilling Co. Inc. | 2201 Isleta Boulevard South West Albuquerque, NM 87105 | (505) 877-0520 | |
| John Chen Geolabs, Inc. | 2006 Kalihi Street Honolulu, HI 96819-3647 | (808) 841-5064 | |
| William Cheng AGL Manufacturing Ltd. | 8378 Prince Edward Street Vancouver, BC V5X 3R9 | (604) 267-1716 | |
| Les Chernauskas P.E. Geosciences Testing and Research, Inc. | 55 Middlesex Street, Suite 225 North Chelmsford, MA 1863 | (978) 251-9395 | |
| Sean Chiang Ph.D., P.E. GROUND Engineering Consultants, Inc. | 41 Inverness Drive East Englewood, CO 80112 | (303) 289-1989 | |
| Marco Chiarabelli Soilmec S.P.A. | 4015 S. Freeway Fort Worth, TX 76110 | +39 3483958047 +1 (401) 965-2575 | |
| Michelle Chiasson Dawson Foundation Repair | 6906 Chetwood Houston, TX 77081 | (713) 668-2110 | |
| Chris Chinopulos Berkel & Company Contractors, Inc. | 3702 Rogers Industrial Park Rd Okahumpka, FL 34762 | (352)365-4308 | |
| Troy Chipps 6941114 Eijkelkamp North America | 9230 Globe Center Dr, Suite 110 Morrisville, NC 27560 | (919) 694-1114 9195258491 | |
| Daniel Cho Champion Equipment Company | 8140 East Rosecrans Avenue Paramount, CA 90723 | (562) 634-8180 | |
| Campbell Chow Thurber Engineering, Ltd. | 4127 Roper Road Edmonton, AB T6B 3S5 | (780) 438-1460, Ext. 5119 | |
| Michael Chow GZA GeoEnvironmental of New York | 104 West 29th Street New York, NY 10001 | 212-594-8140 718-869-3798 | |
| Barry Christopher Ph.D., P.E. Christopher, Barry R., Ph.D., P.E. | 210 Boxelder Lane Roswell, GA 30076-3509 | (770) 641-8696 | |
| Jeff Ciullo Aldridge | 844 East Rockland Road Libertyville, IL 60048 | (847) 680-5200 | |
| Jim Claeys Michels Corporation | 1266 Orchard Rd. Montgomery, IL 60538 | (920) 583-3132 | |
| Doug Clark P.E. Peterson Contractors, Inc. | 104 Blackhawk Reinbeck, IA 50669 | (319) 345-2713 | |
| Ken Clark HC Matcon, Inc. | 4-122 Earl Thompson Road Ayr, ON N0B 1E0 | (519) 623-6454 | |
| Mike Clark International Construction Equipment, Inc. | 8101 Occidental Avenue South Seattle, WA 98108-4210 | (704) 821-8200 | |
| Samuel Clemence Syracuse Univ., Dept. of Civil & Envir. | Department of Civil and Environmental Engineering, 151 J Link Hall Syracuse, NY 13244-1190 | (315) 443-2554 | |
| Marc Cleveland CTL | Thompson, Inc. | 1971 West 12th Avenue Denver, CO 80204 | (303) 825-0777 |
|