| Company: | URL: | Reader Service #: | Page: |
 A.Y. McDonald Mfg. Co. | http://www.aymcdonald.com | 34 | 17 |
| Acker Drill Company Inc. | http://www ackerdrill.com | 39 | 67 |
| AIR Equipment Corporation | http://www.airequipmentcorp.com | 45 | 21 |
| American Augers Inc. | http://www.americanaugers.com | 43 | 71 |
| AMS, Inc. | http://www.ams-samplers.com | 11 | 30 |
| Andrie Inc. | http://www.andrie.com | 8 | 28 |
| Armstrong Machine Company | http://www.armstrongmachine.com | 47 | 42 |
| Atlas Copco CMT USA LLC | http://www.atlascopco.us | 13 | 30 |
| Bit Brokers International | http://www.bitbrokers.com | 9 | 29 |
| California Ground Water Association | http://www.groundh2o.org | | 41 |
| Casagrande USA, Inc. | http://www.casagrandegroup.com | 51 | 65 |
| Center Rock, Inc. | http://www.centerrock.com | 12 | 59 |
| Central Mine Equipment Company | http://www.cmeco.com | 22 | 55 |
| Copeland Supply Company | | 6 | 26 |
| Cotey Chemical Corporation | http://www.coteychemical.com | 61 | 46 |
| Danfoss Flomatic | http://www.flomatic.com | 53 | 43 |
| DrillHead | | 67 | 80 |
| Drilling World | http://www.drillingworld.com | 42 | 23 |
| Eastern Drillers Manufacturing Co., Inc. | http://www.edmmfg.com | 50 | 73 |
| Enid Drill Systems | http://www.eniddrill.com | 65 | 79 |
| FindADriller.com | http://www.nationaldriller.com/findadriller | | 81 |
| Foremost Industries | http://www.foremost.ca | 14 | 2 |
| Franklin Electric | http://www.franklin-electric.com | 24 | 35 |
| Fraste SpA | http://www.fraste.com | 31 | 11 |
| Geoprobe Systems | http://www.geoprobe.com | 40 | 41 |
| George E. Failing Co. | http://www.gefco.com | 20 | 15 |
| George E. Failing Co. | http://www.gefco.com | | 14 |
| Halco Rock Tools | www.halcorocktools.com | 32 | 25 |
| Heron Instruments | http://www.heroninstruments.com | 23 | 34 |
| Higgins Rig Co. | http://www.higrig.com | 46 | 42 |
| Hinowa SPA | http://www.hinowa.com | 60 | 27 |
| IGSHPA | http://www.igshpa.okstate.edu | | 31 |
| In-Well Technologies, Inc. | http://www.in-welltech.com | 66 | 80 |
| Jet-Lube | http://www.jetlube.com | 59 | 45 |
| Keller America | http://www.kelleramerica.com | 1 | 22 |
| Keystone Drill Services, Inc. | http://www.keystonedrill.com | 52 | 19 |
| King Oil Tools Inc. | http://www.kingoiltools.com | 30 | 14 |
| KS Bit Inc. | http://www.ksbit.com | 27 | 36 |
| Laibe Corp./Versa-Drill | http://www.laibecorp.com | 33 | 37 |
| Laibe Corp./Versa-Drill | http://www.laibecorp.com | 55 | 53 |
| Little Beaver | http://www.littlebeaver.com | 18 | 33 |
| Mid America Drilling Equipment, Inc. | | 48 | 99 |
| Mills Bit Service, Inc. | http://www.millsbitserviceinc.com | 16 | 32 |
| Mills Machine Co. | http://www.millsmachine.com | 10 | 75 |
| Mincon Inc. | http://www.mincon.com | 26 | 77 |
| Mobile Drill, LLC | http://www.foremostmobile.com | 38 | 69 |
| N & N Drilling Supply Mfr. | http://www.nndrilling.com | 58 | 44 |
| Palmer Bit Co. | http://www.palmerbit.com | 17 | 3 |
| PDSCo. Inc. | http://www.pdscoinc.com | 68 | 81 |
| Pulstar | http://www.pulstarmfg.com | 3 | 24 |
| Rauch Manufacturing | http://www.rauchmfg.com | 62 | 46 |
| Rex McFadden Company | http://www.rexmcfadden.com | 29 | 37 |
| Ring Power Corp. | http://compressedair.ringpower.com | 44 | 41 |
| Rock Hog Drilling Products | http://www.rockhog.com | 63 | 46 |
| Rockmore International | http://www.rockmore-intl.com | 54 | 43 |
| Schramm, Inc. | http://www.schramminc.com | 5 | 61 |
| Semco Inc. | http://www.semcooflamar.com | 4 | 5 |
| Shallow Draft Elevating Boats | http://sedc.unl.edu | 57 | 44 |
| SIMCO Drilling Equipment, Inc. | http://www.simcodrill.com | 41 | 49 |
| Solinst Canada Ltd. | http://www.solinst.com | 25 | 36 |
| Sonic Drill Corporation | http://www.sonic-drill.com | 36 | 39 |
| Star Iron Works, Inc. | http://www.starironworks.com | 70 | 9 |
| Stockdale Mine Supply | http://www.stockdaleminesupply.com | 7 | 7 |
| Stratex Hyduke Machining Solutions | http://www.stratex-mco.com | 64 | 79 |
| Tee Jay International | http://www.teejayintl.com | 21 | 63 |
| TEI Rock Drills | http://www.teirockdrills.com | 28 | 51 |
| Torquato Drilling Accessories | http://www.torquato.com | 19 | 13 |
| tube technologies inc. | http://www.toolyourdrill.com | 56 | 44 |
| Wyo-Ben, Inc. | http://www.wyoben.com | 35 | 57 |
| Zhuzhou Cemented Carbide Group Corp., Ltd. | http://www.chinacarbide.com/en/home.asp | 2 | 100 |
