| 1 | Quadra Manufacturing | | USA |
| 2 | Cummins Inc. | | USA |
| 3 | Metalcraft Inc./Sea-Fire Marine Products | | USA |
| 4 | Briggs & Stratton Corp. | | USA |
| 5 | C&I Power Solutions | | USA |
| 6 | ECO Physics Inc. | | USA |
| 7 | Birmingham Rail & Locomotive Co. Inc. | | USA |
| 8 | General & Automotive Machine | | USA |
| 9 | GE Aviation | | USA |
| 10 | ENERG-Rudox Inc. | | USA |
| 11 | Dry Systems Technologies | | USA |
| 12 | Rockford Products Corporation | | USA |
| 13 | IESC Diesel Corp. | | USA |
| 14 | Hunt Engine Inc. | | USA |
| 15 | Tame Tools | | USA |
| 16 | Precise Power Corp. | | USA |
| 17 | Krutsinger Services Inc. | | USA |
| 18 | Broomfield's | | USA |
| 19 | Electro-Motive Diesel Inc. | | USA |
| 20 | Lightning Power Electric Industry Inc. | | USA |
| 21 | Floform (USA) Inc. | | USA |
| 22 | Terrecorp Inc. | | USA |
| 23 | Dynalco | | USA |
| 24 | Navistar Inc. | | USA |
| 25 | Engine Power Source | | USA |
| 26 | Kubota Engine America Corporation | | USA |
| 27 | Cyclone Power Technologies Inc. | | USA |
| 28 | Groupe Renfort | | USA |
| 29 | Aet Ltd | | USA |
| 30 | Detroit Diesel Corp. | | USA |
| 31 | RPM Industries LLC | | USA |
| 32 | Universal Engine Heater Co. | | USA |
| 33 | Union Tractor | | USA |
| 34 | Jensen Albert & Son Inc. | | USA |
| 35 | Hatch & Kirk Inc. | | USA |
| 36 | Stewart & Stevenson Services Inc. | | USA |
| 37 | Memphis Diesel Power | | USA |
| 38 | AW Dynamometer Inc. | | USA |
| 39 | Mil-Spec Industries | | USA |
| 40 | Workhorse Group Inc. | | USA |
| 41 | H.W. Ramberg Incorporated (HWR) | | USA |
| 42 | Perkins Engines Company Limited | | USA |
| 43 | Pacific Detroit Diesel-Allison | | USA |
| 44 | AB Engine | | USA |
| 45 | Fabick CAT | | USA |
| 46 | Farymann North America | | USA |
| 47 | Zed Engines | | USA |
| 48 | BOSTIC MOTORS INC. | | USA |
| 49 | Endyn Ltd. | | USA |
| 50 | Pritchard Engineering Company Limited | | USA |
| 51 | Fuel Technologies International LLC | | USA |
| 52 | Depco Parts | | USA |
| 53 | Isuzu Diesel | | USA |
| 54 | Southern Illinois Crankshaft | | USA |
| 55 | PEECO Electrical Equipment Co. | | USA |
| 56 | Wesco Valve & Manufacturing Co. | | USA |
| 57 | Turbonetics Inc. | | USA |
| 58 | Hp2G Llc | | USA |
| 59 | MTU America Inc. | | USA |
| 60 | Wiseman Technologies Inc. | | USA |
| 61 | AM General Corp. | | USA |
| 62 | United Engines Inc. | | USA |
| 63 | Design Power International | | USA |
| 64 | PTC Diesel Power | | USA |
| 65 | Electro-Motion Inc. | | USA |
| 66 | Detroit Diesel MTU Remanufacturing West | | USA |
| 67 | Tech Development Inc. | | USA |
| 68 | Niagara International Association | | USA |
| 69 | Bell Power Inc. | | USA |
| 70 | Younker Bros. Diesel & Truck | | USA |
| 71 | Standard Aero Holdings Inc | | USA |
| 72 | Arrow Engine Company | | USA |
| 73 | Pacific Power Group | | USA |
| 74 | Northern Lights Inc. | | USA |
| 75 | RMI Services Inc. | | USA |
| 76 | Industrial Pump Sales Inc. | | USA |
| 77 | R.A. Mitchell Co. Inc. | | USA |
| 78 | Dartco Transmission Sales & Service Inc. | | USA |
| 79 | Lakehead Diesel & Hydraulics Ltd. | | USA |
| 80 | Zabatt Power Systems | | USA |
| 81 | Mid-Atlantic Engine Supply Corp. | | USA |
| 82 | COMP Cams | | USA |
| 83 | Scania U.S.A. Inc. | | USA |
| 84 | International Dyno Inc. | | USA |
| 85 | Mitsubishi Heavy Industries America Inc. | | USA |
| 86 | Diesel Parts Of Carolina LLC | | USA |
| 87 | Relco Locomotives Inc. | | USA |
| 88 | Reagan Equipment Co. Inc. | | USA |
| 89 | Carl M. Cummings Manufacturing Company | | USA |
| 90 | Lunenburg Foundry & Engineering Limited | | USA |
| 91 | Diesel Truck Parts Inc. | | USA |
| 92 | Empire | | USA |
| 93 | Evapar | | USA |
| 94 | Advanced Thermal Products Inc. | | USA |
| 95 | Tradewinds Power Corp. | | USA |
| 96 | Technol Fuel Conditioners Inc. | | USA |
| 97 | Diesel Power & Injection Inc. | | USA |
| 98 | Steyr North America Inc. | | USA |
| 99 | Precision Valve & Crank (1998) Ltd. | | USA |
| 100 | Isuzu Motors America Inc. | | USA |
| 101 | Beta Marine US | | USA |
| 102 | Solar Turbines Incorporated | | USA |
| 103 | Motive Parts Co. Inc. | | USA |
| 104 | Stauffer Diesel Inc | | USA |
| 105 | DRM Diversafab | | USA |
| 106 | Mid-Continent MFG | | USA |
| 107 | ABB | | USA |
| 108 | Knoxville Locomotive Works | | USA |
| 109 | Enpro Industries | | USA |
| 110 | Industrial Diesel Products Inc. | | USA |
| 111 | Klassen Diesel Sales Ltd. | | USA |
| 112 | Kem Equipment Inc. | | USA |
| 113 | DEUTZ AG | | USA |
| 114 | Perkins Pacific | | USA |
| 115 | Carmel Welding & Supply Co. Inc. | | USA |
| 116 | Hatz Diesel of America Inc. | | USA |
| 117 | Tecmotiv Corp. | | USA |
| 118 | Northwest Fuel Injection Service of Michingan | | USA |
| 119 | Jim's Light Duty Diesel | | USA |
| 120 | Heartland Engine Co. | | USA |
| 121 | Schedler's Engine Rebuilding & Supply Inc. | | USA |
| 122 | MacPherson D. A. Inc. | | USA |
| 123 | Dealers Manufacturing Co. | | USA |
| 124 | OK Long Machinery | | USA |
| 125 | Continental Engine Rebuilders Ltd. | | USA |
| 126 | Perkins Power Corp. | | USA |
| 127 | Dealer's Mfg. Co. | | USA |
| 128 | Astro Automotive Machine | | USA |
| 129 | Nickles Industrial | | USA |
| 130 | Industrial Welder Rebuilders Inc. | | USA |
| 131 | Canada Allied Diesel Co. Ltd | | USA |
| 132 | YANMAR Marine International | | USA |
| 133 | Infinitive Inc. | | USA |
| 134 | Advanced Engines Development Corp. | | USA |
| 135 | Waukesha-Pearce Industries Inc. | | USA |
| 136 | Consolidated Diesel Co. | | USA |
| 137 | Torsion & Fluid Products Inc. | | USA |
| 138 | Stewart & Stevenson | | USA |
| 139 | Diesel Specialists Of Green Bay | | USA |
| 140 | DIT International Ltd. | | USA |
| 141 | DSS/Pro Diesel | | USA |
| 142 | JF Diesel Injection Inc. | | USA |
| 143 | North American Clutch & Driveline Inc. | | USA |
| 144 | Intermet Ltd. | | USA |
| 145 | Industrial Automotive Parts Inc. | | USA |
| 146 | NEP Inc. | | USA |
| 147 | Golden Power Products Ltd. | | USA |
| 148 | Great Lakes Diesel | | USA |
| 149 | Energy Conversion Corp. | | USA |
| 150 | Troy Metal Products | | USA |
| 151 | Buck's Engine Co. | | USA |
| 152 | Marine Spares International | | USA |
| 153 | Controls & Power System Inc. | | USA |
| 154 | Sequel Inc. | | USA |
| 155 | Isaiah Diesel Engine Repairs | | USA |
| 156 | National Maintenance & Repair Inc | | USA |
| 157 | Cast Technology | | USA |
| 158 | Diesel Parts Co. | | USA |
| 159 | Engine Power Co. | | USA |
| 160 | B & J Machine Shop Inc. | | USA |
| 161 | Western Star Rail Services | | USA |
| 162 | Mitchcon Corp. | | USA |
| 163 | Tri-County Engine Sales | | USA |
| 164 | Generator Source (formerly Diesel Service & Supply) | | USA |
| 165 | Republic Locomotive | | USA |
| 166 | SAE Manufacturing Specialties Corp | | USA |
| 167 | Surplus Record Machinery & Electrical Equipment | | USA |
| 168 | DFW Heavy Duty | | USA |
| 169 | Yanmar America Corporation | | USA |
| 170 | NAI Company | | USA |
| 171 | Rolls-Royce Corp. | | USA |
| 172 | Westerbeke Corp. | | USA |
| 173 | Weichai America Corp. | | USA |
| 174 | Fleenor Manufacturing Inc. | | USA |
| 175 | General Electric Co. | | USA |
| 176 | Paccar Inc. | | USA |
| 177 | Hyundai Heavy Industries Co. Ltd. | | USA |
| 178 | Holt CAT Irving | | USA |
| 179 | Alkota Cleaning Systems Inc. | | USA |
| 180 | PowerRail | | USA |
| 181 | Flag Service & Maintenance Incorporated | | USA |
| 182 | Fleet Maintenance of Texas | | USA |
| 183 | A/M Air Starter Sales & Service | | USA |
| 184 | Neptech Inc. | | USA |
| 185 | Fairbanks Morse Engine | | USA |
| 186 | Vitesco Technologies | | USA |
| 187 | Western Power Products Inc. | | USA |
| 188 | Fairbanks Morse Defense | | USA |
