| Name Organization | Address City, State Zip | Phone Mobile Phone | |
|---|---|---|---|
| Tim Ruckman GeoStabilization International, LLC | 543 31 Road Grand Junction, CO 81504 | (970) 985-1066 | |
| Tim Rueda Case Pacific Company | 2121 Ardmore Road Paso Robles, CA 93446-7199 | (805) 237-8851 | |
| Dianne Rundell Park Range Construction, Inc. | 2755 S Raritan St Englewood, CO 80110 | 3037818936 3034720229 | |
| Jacki Rupert OCI Division / Global Drilling Suppliers Inc. | 370 Industrial Park Road Brookville, PA 15825 | (814) 849-5999 | |
| Jim Rupert OCI Division / Global Drilling Suppliers Inc. | 370 Industrial Park Road Brookville, PA 15825 | (814) 849-5999 | |
| Edmond Ryan Tennessee Technological Univ. Civil Engineering Department | Civil Engineering Department, PO Box 5015 TTU Cookeville, TN 38505-0001 | (931) 372-3605 | |
| Rick Sadler International Construction Equipment, Inc. | 259 Jernee Mill Road Sayreville, NJ 08872-1767 | (704) 821-8200 | |
| Jeffrey Sager Jeffrey Machine, Inc. | 3841 Industrial Drive Birmingham, AL 35217 | (205) 841-8600 | |
| Matthias Sahn RTG Rammtechnik GmbH | Bauer Strasse 1 Schlobenhausen, 86529 | 49 8252 97 0 | |
| Andrew Saint Sacramento Drilling, Inc. | 1143 Blumenfeld Drive, Suite 100 Sacramento, CA 95815 | (916) 638-1766 916-842-9991 | |
| Rick Salder International Construction Equipment, Inc. | 2020 Bantree Street Ottawa, ON K1B 5A4 | (613) 737-3963 | |
| Sylvana Salgado Nucor Skyline | 7380 Sand Lake Road, Suite 135 Orlando, FL 32819 | (407) 622 6001 | |
| Joe Salvadori DYWIDAG Systems International, Inc. | 1263 Newark Road Toughkenamon, PA 19374 | (610) 268-2221 Ext. 114 | |
| Joe Salvo Petrifond Foundation Company Limited | 8320 St-Laurent Boulevard Montreal, PQ H2P 2M3 | (514) 387-2838 | |
| Christopher Sammon Malcolm Drilling Company, Inc. | 12155 NW 28th Avenue Miami, FL 33167 | 305-374-8618 | |
| Neil Sampson Champion Equipment Sales, LLC | #4 509 11 Ave Bay 4 Nisku, AB T9E 7N9 | (780) 770-8811 | |
| Gregory Sanchez TREVIICOS Corporation | 38 Third Ave, 3rd Floor, 3rd Floor CHARLESTOWN, MA 2129 | 617 788 9850 617 839 2694 | |
| Lisa Sanchez R.W. Harris, Inc. | 12970 North West 113th Court Miami, FL 33178 | (305) 885-4116 | |
| Ralph Sands Pennsylvania Drilling Company (dba PENNDRILL Manufacturing) | 281 Route 30 Imperial, PA 15126 | 724-695-2400 | |
| Daniel Santaniello Moretrench | 100 Stickle Avenue Rockaway, NJ 7866 | ||
| Fabio Santillan TREVIICOS Corporation | 38 Third Avenue, 3rd Floor, Boston National Historic Park Charlestown, MA 2129 | (617) 241-4800 | |
| Val Santillan DrillingWorld | 1458 Mariani Ct Tracy, CA 95376 | (209) 855-8300 | |
| Denise Sarquiz D & D Construction Specialties, Inc. | 11043 Olinda Street Sun Valley, CA 91352 | (818) 767-8864 | |
| Danny Satterfield Elco Drilling Company, Inc. | 2011 West Union Avenue/PO Box 1174 Englewood, CO 80110 | (303) 789-0599 | |
| Chris Saucier Mississippi State University | 235 Walker Engineering Bldg, PO Box 9546 Mississippi State, MS 39762 | (662) 325-3838 |
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