• HELSINN HEALTHCARE S.A.
• +41 91 985.21.21
• Switzerland

• Hem Chemicals & Pharmaceuticals Pvt Ltd
• +919925440157
• India

• Hem Corporation
• 91-22-22052250, 2205 0713
• India

• Hem Deep Organics Pvt.Ltd.
• 912646224315
• India

• Hem-Deep Organics Pvt. Ltd.
• +91-2646-224315
• India

• HEMA CHEMICALS
• 0260-432179
• India

• HEMA DYE CHEM
• 91-22-26177051 / 52 /30944729
• India

• HEMA DYECHEM PRIVATE LIMITED
• 91-22-26177051
• India

• Hemani Ex-imp Corporation
• (91-22) 2261 5578 / 89
• India

• Hemas Manufacturing (pvt) Ltd
• (+9411) 4731731
• Russian Federation

• Hemlin Chemicals
• +91-22-25001179/89
• India

• Hemlock Semiconductor Corporation
• (989) 642 5201
• United States

• HENA CHEM
• 9869045398/9833016699
• India

• Henan Billions Chemicals Co., Ltd.
• +86-371-3126903,3126448
• China

• Henan Bis-biotech Co., Ltd
• +86-371-67770926
• China

• Henan Changge United Active Carbon Co.,Ltd. (Henan Changge United Machinery Chemical General Plant)
• 0086-374-6621063 6621065
• China

• Henan Chengfeng Pharmaceutical Co.,Ltd.
• 0086-371-63431918
• China

• Henan Chongyi Biopharmaceutical Co., Ltd.
• 13566934155 / 18506980080
• China

• Henan Clife Chemical Co.,LTD
• +86-371-67648069
• China

• Henan Fullerene Nano New Materials Technology Co.,Ltd.
• +86-393-4681875
• China