• HOUDRY CHEMICALS PVT.LTD.
• 91-022-2436 2636/2939
• India

• Houghton Chemical Corporation
• 800-777-2466
• United States

• Houghton International Inc.
• (610) 666-4000
• United States

• Houghton Singapore
• (65) 6235-1544
• Other Regions

• house of chemicals
• +971-4-8873111
• United Arab Emirates

• houxetchemical
• 00966500135030
• United States

• Hovid Sdn Bhd
• 60(5) 506 0690
• Other Regions

• Hovione
• +351-21-9829000
• China

• Hovione FarmaCiencia SA.
• +351-21-982-9000
• Other Regions

• Hovione Sociedade Quimica
• 351 21 982 9000
• Other Regions

• Howard Industries, Inc.
• (614)444-9900
• United States

• Howden Air & Gas Movement
• +44 141 885 7300
• United Kingdom

• Howden BC Compressors
• +33-0-3-44-74-41-00
• France

• Howes Lubricator
• (401) 294 5500 ,1-800-GET HOWES(1-800-438-4693)
• United States

• Hoxxon International Trading Co., Ltd.
• 02-29990369
• Other Regions

• HP Design Holland
• +31 72 5024106
• New Zealand

• HP Polymer Inc.
• 972-315-1313
• United States

• HP Trading Ltd.
• 974 4500521
• Qatar

• HP Valves Oldenzaal B.V.
• +31 541 519555
• Netherlands

• HPI Products
• (816)233-1237
• United States