| Name Organization | Address City, State Zip | Phone Mobile Phone | |
|---|---|---|---|
| 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 | |
| Chris Chinopulos Berkel & Company Contractors, Inc. | 3702 Rogers Industrial Park Rd Okahumpka, FL 34762 | (352)365-4308 | |
| 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, New York 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 | |
| Michael Cianchetti GFL Infrastructure Group Inc. (Shoring Division) | 100 New Park Place, 5th Floor Vaughan, ON L4K 0H9 | (905) 750-5900 | |
| 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 | |
| Jeremy Clark | 9303 New Trails Dr., Suite 425 The Woodlands, TX 77381 | (713) 699-7645 (561) 252-6933 | |
| Mike Clark International Construction Equipment, Inc. | 8101 Occidental Avenue South Seattle, WA 98108-4210 | (704) 821-8200 | |
| Charles Clarkson Epiroc USA LLC (formerly Atlas Copco) | 9106 Gale Blvd Unit 1 Thornton , CO 80234 | 720-415-7914 | |
| 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 | |
| Marcos Clo CZM Foundation Equipment | 145 East Industrial Blvd. Pembroke, GA 31321 | (912) 200-7661 (912) 401-3557 | |
| Jim Close Con-Tech Systems USA Inc. | 16927 Covina Rd Bend, OR 97707 | (253) 237-9008 (253) 381-1847 | |
| Mike Coakley HCM Contractors Inc. | 9777 Enterprise Way S.E. Calgary, AB T3S 0A1 | (403) 248-4884 | |
| Valerie Cobb Bay Shore Systems, Inc. | 14206 N Ohio St. Rathdrum, ID 83858 | 208-712-6436 909-767-2330 | |
| Michael Coble United Signs and Signals Inc | 28248 County Road 561 Tavares, FL 32778 | 352-742-1904, Ext. 230 | |
| Gregory Cockman Traffic Control Devices, Inc. | P.O. Box 150418 Altamonte Springs, FL 32715 | (407) 869-5300 | |
| Richard Coffman University of Arkansas | 4190 Bell Engineering Center Fayetteville, AR 72701 | (479) 575-2933 | |
| Coy Coggins Coggins and Sons, Inc. | 9512 Titan Park Circle Littleton, CO 80125-9300 | (303) 791-9911 |
|