| sup_enName | Tel | CountryRegion | Contact |
| Liaoning Benyuan Pharmaceutical Co.,Ltd. | 86-414-5627555 | CN | |
| Lilong Industrial Company Limited | 864192162528 | CN | |
| LAIYANG XIANGHE BIOCHEMICAL PRODUCTS CO., LTD | 86-535-7237018 | CN | |
| Louston International Inc. | -610-859 9860 | US | |
| Leawell International Ltd. | 852--25760298 | HK | |
| Lianyungang JF International Trade Co., Ltd. | 86-518-85319780 | CN | |
| Lauda China Co Ltd | 86-21-64401098 | CN | |
| Lutz Pumps (Guangzhou) Co., Ltd | 86-20-22082010 | CN | |
| Li heng Mingyuan 3-1002, No.23, Nanbinhe Road, Xuanwu District, Beijing, China | 86-10-010-63392678 | CN | |
| Labotest | +12 345 6789 | DE | |
| Lorad Chemical Corporation | 727 826 5511 | US | |
| LKT Laboratories, Inc. | 1 888 558 5227 | US | |
| Lacamas Laboratories | 503 285 0360 | US | |
| LaCrosse Laboratories, LLC | 608 567 4231 | US | |
| LONZA Inc. | 201 316 9200 | US | |
| LeadGen Labs LLC | 203 645 8468 | US | |
| LinkChem Co., Ltd. | 15316057001 | CN | |
| Lan Pharmatech Ltd. | +86-028-87856149 | CN | |
| LEO BIOCHEM | 8613675881727 | CN | |
| LT PharmaTech Inc. | 858 243 1724 | US | |
| Lianyungang Shenghong Chemical Co.,Limited | 8618651252220 | CN |