| 1111 | Diaphragm Control Valves Reconditioning | Company Product |
| 1112 | Diaphragm Control Valves Overhaul | Company Product |
| 1113 | Diaphragm Control Valves Repair | Company Product |
| 1114 | Diaphragm Actuated Control Valves | Company Product |
| 1115 | Data Logger Switch Unit | Company Product |
| 1116 | Digital Thermo-Hygro Meters | Company Product |
| 1117 | Digital Loop Impedance Testers | Company Product |
| 1118 | Digital Phase Indicators | Company Product |
| 1119 | Dispenser | Company Product |
| 1120 | Differential Pressure Meters | Company Product |
| 1121 | Digital Storage Oscilloscopes | Company Product |
| 1122 | Distance Measurers | Company Product |
| 1123 | Differential Manometers | Company Product |
| 1124 | Data Acquisition | Company Product |
| 1125 | Double Sided Tapes | Company Product |
| 1126 | Digital Soft Starters | Company Product |
| 1127 | Diesel Engine Generators | Company Product |
| 1128 | Diesel Forklifts Repair | Company Product |
| 1129 | Diamond Resin Bond | Company Product |
| 1130 | Diamond Metal Bond | Company Product |
| 1131 | Diamond Vetrified Bond | Company Product |
| 1132 | DOL Motor Starters | Company Product |
| 1133 | Deposit Inhibitor Chemical | Company Product |
| 1134 | Dod Printer | Company Product |
| 1135 | Double Flange Butterfly Valves | Company Product |
| 1136 | Denso Paste | Company Product |
| 1137 | Denso Profiling Mastic | Company Product |
| 1138 | Denso Tapes | Company Product |
| 1139 | Densoseal | Company Product |
| 1140 | Densimeters | Company Product |