| Name Organization | Address City, State Zip | Phone Mobile Phone | |
|---|---|---|---|
| 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 | |
| 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 | |
| Genna Livingston Foundation Drill Shafts, Inc. | 107 N. Rosemont Sulphur, LA 70665 | (337) 558-6535 | |
| John Lizzo Port Authority of New York & New Jersey | 2 Gateway Center, 16th Floor Geotechnical Group Newark, NJ 7102 | 212-435-5118 | |
| Cameron Lobato P.E. GeoStabilization International, LLC | 543 31 Road Grand Junction, CO 81504 | (970) 985-1066 | |
| Jeff Lockhart United Dynamics, Inc. | 2555 Cannon Street New Albany, IN 47150 | (812) 282-2222 | |
| Erik Loehr University of Missouri | Dep. of Civil Engineering E2509 Lafferre Hall Columbia , MO 65211 | (573) 882-6380 | |
| Gerard Logan Pengo Corporation | 500 E Highway 10 Laurens, IA 50554 | (712) 845-2540 | |
| Matt Loghry Blaze Equipment, LLC | 5500 Nafex Way, Suite 1 Fort Worth, TX 76131 | ||
| Allison Long Long's Drilling Service, Inc. | 10554 Hwy 392 W Harrison, AR 72601 | (870) 437-2200 | |
| Brian Long Long's Drilling Service, Inc. | 10554 Hwy 392 W Harrison, AR 72601 | 870-437-2200 870-715-8245 | |
| Bruce Long Long Foundation Drilling Co. | 816 Creekwood Ct, 3014 Brandau Road Mt. Juliet, TN 37122 | (615) 885-5664 | |
| James Long Long, James H. | University of Illinois/Civil Engr. Dept, 205 North Mathews Urbana, IL 61801-2350 | (217) 333-2543 |
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