| Name Organization | Address City, State Zip | Phone Mobile Phone | |
|---|---|---|---|
| Doug Lawson Spencer Enterprises, Inc. | P.O. Box 30828 Midwest City, OK 73140-3828 | (405) 424-3880 | |
| John Lazorchak SAS Stressteel, Inc. | 47375 Fremont Blvd Fremont, CA 94538 | (888) 284-8752 | |
| Jason Leary A.H. Beck Foundation Company, Inc. | 12751 South Freeway Houston, TX 77047 | (713) 413-3800 | |
| Richard Leblanc GROUP Deep Foundations, LLC | P.O. Box 83560 Baton Rouge, LA 70884 | (225) 752-2500 | |
| Darrell Ledbetter Blaze Equipment, LLC | 5500 Nafex Way, Suite 1 Fort Worth, TX 76131 | (817) 439-0453 | |
| Craig Lee S & ME, Inc. | 2020 Liberty Road, Suite 105 Lexington, KY 40505 | 859-293-5518 | |
| Terence Lee Nucor Skyline | 16335 South Harlem Ave, Suite 150 Tinley Park, IL 60477 | (630) 470-1289 | |
| Terry Lee International Construction Equipment, Inc. | 12001 Guilford Road Bld D Annapolis Junction, MD 20701 | (704) 821-8200 | |
| Michael Leffer Hans LEFFER GmbH | PO Box 20 03 60, 66044 Saarbrucken Saarbrucken, 66044 | (49) 6897793362 | |
| Eric LeGault American Piledriving Equipment, Inc. | Western Canada Office, 1002 7th Street Nisku, AB T9E 7P2 | (780) 474-9888 | |
| Dawn Lehman University of Washington | More Hall, University of Washington Seattle, WA 98195 | (206) 715-2108 | |
| Fabian Lehmann Berkel & Company Contractors, Inc. | 2431 Linden Lane Silver Spring, MD 20910 | (301) 587-5111 | |
| Christian Lemieux Petrifond Foundation Company Limited | 8320 St-Laurent Boulevard Montreal, QC H2P 2M3 | (514) 387-2838 | |
| Ralph Leonard NUMA | PO Box 348 Thompson, CT 06277-0348 | (860) 923-9551 | |
| Marco Lessard PRECO-MSE | 1620 Newman Crescent Dorval, QC H9P 2R8 | (450) 427-3650 | |
| John Lessley S & ME, Inc. | 134 Suber Road Columbia, SC 29210 | (803) 561-9024 | |
| Mike Levine New Mexico Department of Transportation | 1129 Cerrillos Rd Santa Fe, NM 87504 | (505) 827-5466 | |
| Jacqueline Lewelling Case Pacific Company | 2121 Ardmore Road Paso Robles, CA 93446-7199 | (805) 237-8851 | |
| David Li GZA GeoEnvironmental of New York | 104 West 29th Street New York, NY 10001 | 212-594-8140 | |
| Joseph Li DSI Canada Civil, Ltd. | 19433 96th Avenue, #103 Surrey, BC V4N 4C4 | (604) 888-8818 | |
| Jonathan Kwesi Liggie Liggie Surveys Inc | 5268 Nicholson Lane, Suite G234 Kensington, MD 20895 | 202-702-7995 202-702-7995 | |
| Cindy Liles Blaze Equipment, LLC | 5500 Nafex Way, Suite 1 Fort Worth, TX 76131 | ||
| Robin Lim Geolabs, Inc. | 2006 Kalihi Street Honolulu, HI 96819-3647 | (808) 841-5064 | |
| Frank Lin P.E. Geotest Engineering, Inc. | 5600 Bintliff Drive Houston, TX 77036 | (713) 266-0588 | |
| Renan Listi Sinclair Well Products | 10602 Midway Avenue Cerritos, CA 90703 | (562) 403-3559 |
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