| Name Organization | Address City, State Zip | Phone Mobile Phone | |
|---|---|---|---|
| Michael Koller Atlantic Caisson Corporation | Headquarters, 111 Theatre Road Glen Rock, PA 17327 | (717) 235-6858 | |
| Randy Konop, P.E. Terra Engineering & Construction Corporation | 135 Dynex Drive Pewaukee, WI 53071-3568 | 262-746-1115 | |
| Duncan Kopp-Richardson Stalworth Underground LLC | 5515 N. East River Rd. Chicago, IL 60656 | (773) 714-5400 | |
| Clint Koshnick Kingwood Pipe, Inc. | 3 N Main St Kingwood, Texas 77339 | (281) 360-4082 (281) 723-0618 | |
| Michael Kottwitz Texas Shafts, Inc. | 9937, Pyrite Dr. Fort Worth Texas, TX 76131 | 8173005024 | |
| Duane Kotun Sherwood Steel Ltd. | 3303 84 Avenue NW Edmonton, AB T6P 1K1 | 780.449.6548 | |
| Gary Kowalczyk | 3902 Turnagain Blvd. #2 Anchorage, AK 99517 | ||
| William Kramer P.E. Illinois Department of Transportation | Bridge Section, Room 240, 2300 South Dirksen Parkway Springfield, IL 62764-0001 | (217) 782-7773 | |
| Andrea Krause Friedr. ISCHEBECK GmbH | Loher Str. 31 - 79 Ennepetal, DE 58256 | (49) 2333-830519 | |
| Tony Kraut Watson Drill Rigs | 4015 South Freeway Fort Worth, TX 76110 | (817) 927-8486 | |
| Tony Kraut Drill Safe, LLC | 711 N Casa Grande Circle Duncanville, TX 75116 | 4695867214 | |
| George Kreis J. Fletcher Creamer & Son, Inc. | 101 East Broadway Hackensack, NJ 7601 | (201) 488-9800 | |
| Paul Krumm Nicholson Construction Co. | 2125 North Redwood Road Salt Lake City, UT 84116 | (801) 322-3111 | |
| Darin Kruse Shorwall | 2259 Ward Ave, Suite 200 Simi Valley, CA 93065 | (805) 577-8482 | |
| Michael J Kubik Equipment Corporation of America | 136 Convair Drive Moon Township, PA 15108 | 724-710-1330 724-710-1330 | |
| Doug Kuepfer Stronghold Construction | 35 Grace Drive Powell, Ohio 43065 | 614-761-0008, Ext. 301 614-582-9297 | |
| Sanjeev Kumar Southern Illinois University Carbondale | 1230 Lincoln Drive Carbondale, IL 62901 | (618) 536-2368 | |
| Neal Kuszewski NUMA | PO Box 348 Thompson, CT 06277-0348 | (860) 923-9551 | |
| Paul Kuzik American Piledriving Equipment, Inc. | Northeast Regional Office, 401 Hartle Street Sayerville, NJ 8872 | (732) 432-6604 | |
| Nils Künne Sysbohr GmbH | Karrystr. 15 Fulda, Germany 36041 | ||
| Al Lackner Goettle | 12071 Hamilton Avenue Cincinnati, OH 45231 | (513) 825-8100 | |
| Ed Laczynski Wagman, Inc. | 3290 N. Susquehanna Trail York, Pa. 17406 | 717-764-8521 703.489.2870 | |
| Branko Ladanyi Ecole Polytechnique Dept. CGM | Univ. of Montreal, P. O. Box 6079, Stn. Centre-ville Montreal, PQ H3C 3A7 | (514) 340-4711 x4804 | |
| Carig Laine Morris Industries Inc. | 777 RT 23 Pompton Plains (Morris), New Jersey 7444 | 9738356600 | |
| Robert Lamb P.E. | 2708 Sherwood Lane Austin, TX 78704-6438 | (512) 972-0204 |
|