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| 422 | K & P Services
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| 423 | Kif Services
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| 424 | Keng Seng Bike Shop
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| 425 | Khiang Huat Enterprise
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| 426 | Koh Sheng 24 Hours Funeral Services
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| 427 | Kli Pty. Limited
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| 428 | Kamal Global Trading Pte. Ltd.
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| 429 | Kah Contractor
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| 430 | Kinsten Tooling Supply & Trading
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| 431 | Koon Marine
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| 432 | Kim Leng Eating House
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| 433 | Kapitalminds Pte. Ltd.
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| 434 | Kent Auto Services
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| 435 | Kim Teng Furniture Decoration
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| 436 | Khaja Garibenewaz Pte. Ltd.
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| 437 | Keng Kee Dian Xin Manufacturing
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| 438 | Kriston Transportation Services
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| 439 | Kim Kee Fried Fish Porridge (1998)
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| 440 | Kaki Interactive Llp
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| 441 | Kal Trading Pte. Ltd.
201535212C | Aktif |
| 442 | Kempas Enterprise
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| 443 | K J Trading
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| 444 | Kraft Haus
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| 445 | Konnack Pte. Ltd.
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| 446 | Kkk Trading
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| 447 | Kredenz (singapore) Pte. Limited
201524206W | Aktif |
| 448 | Kaizer Renoworks Pte. Ltd.
201524031M | Aktif |
| 449 | Keow Lang Trading Co
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| 450 | Katong Sin Chew Cake Shop
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