| 541 | Belt Drive Compressors | Company Product |
| 542 | Belt Drive Air Compressors | Company Product |
| 543 | Biogas Flowmeters | Company Product |
| 544 | By-Pass Level Transmitters | Company Product |
| 545 | Business Advisory | Company Product |
| 546 | Box Wrenches | Company Product |
| 547 | Brass Floor Trap Gratings | Company Product |
| 548 | Bronze Floor Trap Gratings | Company Product |
| 549 | Biomedia สำหรับบำบัดน้ำเสีย | Company Product |
| 550 | Biomedia | Company Product |
| 551 | Bvi Company Setup | Company Product |
| 552 | Bop Stack Test Pump | Company Product |
| 553 | Bucket Pumps | Company Product |
| 554 | Boards | Company Product |
| 555 | Bending Plywoods | Company Product |
| 556 | Bollards | Company Product |
| 557 | Bar Shearing Machines | Company Product |
| 558 | Brick Cutters | Company Product |
| 559 | Bi-Energy Boom Lifts | Company Product |
| 560 | Bricks | Company Product |
| 561 | Bowl Feeder | Company Product |
| 562 | Bench Drill Press | Company Product |
| 563 | Bodyshop | Company Product |
| 564 | Bicycle Tools | Company Product |
| 565 | Biometric Identification | Company Product |
| 566 | Boom Gate | Company Product |
| 567 | Biometric Access | Company Product |
| 568 | Biometric System | Company Product |
| 569 | Biometric | Company Product |
| 570 | Brushless Servo | Company Product |