| 4321 | Single Phase Inverter | |
| 4322 | Sub DB Box | |
| 4323 | Stepdown Transformer | |
| 4324 | SCHNEIDER Frequency Inverter | |
| 4325 | SUMITOMO CRAWLER CRANE LS-248RH (CCCR-253) | |
| 4326 | SUMITOMO CRAWLER CRANE SCX1500A-3 (CCCR-252) | |
| 4327 | SANY CRAWLER CRANE SCC600E (CCCR-222) | |
| 4328 | SANY CRAWLER CRANE SCC600E (CCCR-219) | |
| 4329 | STA-RITE MAX-E-PRO Pool/Spa Pumps | |
| 4330 | SAKAI VIBRATING ROLLER SW70C (VR-253) | |
| 4331 | Swimming Pool Ladders | |
| 4332 | System Form Cleaning | |
| 4333 | Static Ground Power Unit | |
| 4334 | Single Phase EMI/RFI Filter | |
| 4335 | Static Frequency Converter | |
| 4336 | Switch Mode Power Supply | |
| 4337 | Sound Level Meter | |
| 4338 | Slip Ring | |
| 4339 | Selectable Transducer | |
| 4340 | Single / 3-Phase Energy Meter | |
| 4341 | Signal Converter | |
| 4342 | Self-powered Isolation Transmitter | |
| 4343 | SOYER PTS-500NC NC Stud Welding Machine | |
| 4344 | SOYER BMK-12W ARC Stud Welding Machine | |
| 4345 | Spin Flashdrive | |
| 4346 | Ship Hull Blasting | |
| 4347 | Single Face Corrugated Sheet | |
| 4348 | Single Face Corrugated Roll | |
| 4349 | Styrofoam Peanut | |
| 4350 | Shotcrete | |