| 511 | Testing Laboratories | Company Product |
| 512 | Testing Pumps | Company Product |
| 513 | Testing Services | Company Product |
| 514 | Tetra Alkyl Ammonium Bromides | Company Product |
| 515 | Tetrabasic Lead Sulhpate | Company Product |
| 516 | Tetrabasic Lead Sulphate | Company Product |
| 517 | Tetracycline | Company Product |
| 518 | Tetracycline Salts | Company Product |
| 519 | Tetrahydrofuran | Company Product |
| 520 | Textile Chemicals | Company Product |
| 521 | Textile Design | Company Product |
| 522 | Textile Fibres | Company Product |
| 523 | Textile Machineries | Company Product |
| 524 | Textile Manufacuturers & Wholesalers | Company Product |
| 525 | Textile Merchants | Company Product |
| 526 | Textile Printers | Company Product |
| 527 | Textile Retailers | Company Product |
| 528 | Textile Testing Equipment | Company Product |
| 529 | Textile Water Repellents | Company Product |
| 530 | Textured Epoxy Floor | Company Product |
| 531 | Textured Paint | Company Product |
| 532 | Textured Polyurethane Floor | Company Product |
| 533 | Textured Walls Paints | Company Product |
| 534 | Tga | Company Product |
| 535 | Th80 | Company Product |
| 536 | Thai Bistros | Company Product |
| 537 | Thai Cafes | Company Product |
| 538 | Thai Cuisines | Company Product |
| 539 | Thai Delicacies | Company Product |
| 540 | Thai Eateries | Company Product |