| Name Organization | Address City, State Zip | Phone Mobile Phone | |
|---|---|---|---|
| David Lyle Phillips & Jordan, Inc. | 10201 Parkside Dr, Suite 300 Knoxvile, TN 37922 | (865) 688-8342 804.731.3707 | |
| Chris Mabie J. Fletcher Creamer & Son, Inc. | 101 East Broadway Hackensack, NJ 7601 | (201) 488-9800 | |
| Emir Macari Louisiana State University | Dept. of Civil/Environmental Engr., 3502 CEBA Baton Rouge, LA 70803 | (225) 578-9175 | |
| Patrick Machin Machin Engineering, LLC | 5 Wooded Valley Dr Traverse City, MI 49696 | (231) 935-1530 | |
| Dan MacLean Keller Foundations Ltd. | 254 Main Street North, Unit 1 Acton, ON L7J 1W9 | (519) 853-3216, Ext. 61225 (647) 228-0300 | |
| Jim MacPhail Pinnacle Drilling Products, LP | 7560 – 48 Street SE Calgary, AB T2C 4J6 | (403) 236-3393 | |
| Jim MacPhail Pinnacle Drilling Products, LP | 7560 – 48 Street SE Calgary, AB T2C 4J6 | (403) 236-3393 | |
| Terry Madison Madison Inc. | 36922 SE Sunset View Rd. Washougal, WA 98671 | 503-319-3121 | |
| Patrick Mahon GZA GeoEnvironmental of New York | 104 West 29th Street New York, NY 10001 | 212-594-8140 | |
| James Maitland Foundation Engineering, Inc. | 820 NW Cornell Ave Corvallis, OR 97330-4517 | (541) 757-7645 | |
| Derek Majetic Elco Drilling Company, Inc. | 2011 West Union Avenue, PO Box 1174 Englewood, CO 80110 | (303) 789-0599 | |
| John Malcolm Malcolm Drilling Company, Inc. | 92 Natoma Street, Suite 400 San Francisco, CA 94105 | (415) 901-4400 | |
| Steve Mallinson P.Eng. Soletanche Bachy Canada | 416 Monument Place South East Calgary, AB T2A 1X3 | (403) 272-5531 | |
| Kathryn Malm Pengo Corporation | 500 E Highway 10 Laurens, IA 50554 | (712) 841-7414 | |
| Richard Mandile SAGE Environmental, Inc. | 172 Armistice Boulevard Pawtucket, RI 2860 | (401) 723-9900, Ext. 107 | |
| Michael Mann P.E. McMahon & Mann Consulting Engineers, P.C. | 2495 Main Street, Suite 432 Buffalo, NY 14214-2152 | (716) 834-8932 | |
| Michelle Mann, P.E. New Mexico Dept. of Transportation - Geotechnical Section | State Materials Laboratory Bureau, P.O. Box 1149 Santa Fe, NM 87504-1149 | (505) 827-5466 | |
| Diane Manning-Ferrara DynaGrid Construction Group L.L.C. | PO Box 17 Lewisville, TX 75067 | (972) 829-6021 | |
| Marcelo Marino Pena Luz Nucor Skyline | Skyline Comercial de Mexico, S.A. de C.V., Prolongacion Technologico 950B Int. 15-B Col. San Pablo, Queretaro, Qro. 76130 | 52 442 218 5511 | |
| Antonio Marinucci Ph.D., MBA, P.E. | 234 Skillman Ave., Apt. 4C Brooklyn, NY 11211 | (347) 670-2006 | |
| Gordana Marquez Liebherr USA Co. | 7075 Bennington Street Houston, TX 77028-5812 | (713) 636-4050 | |
| Brad Marshall Western Pacific Crane & Equipment | 19602 60th Avenue NE Arlington, WA 98223 | (253) 254-7263 | |
| John Marth Versatile Drilling Contractors, Inc. | P.O. Box 80287 Seattle, WA 98108 | (206) 763-9776 | |
| Darrin Martin Doosan Infracore Portable Power | 1293 Glenway Drive Statesville, NC 28625 | (704) 883-3691 | |
| Paul Martin McCrossin Foundations, LLC | 2607 Nicholson Road, Building 2, Suite 2400 Sewickley, PA 15143 | (724) 933-9222 |
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