Support Center Hours & Phone Numbers

When you contact our Support Centers, our automated attendant will guide you through the available options.

For OSI technical support phone numbers click here. For E&P software technical support phone numbers click here.

For OptiPlant product support when calling us, please choose the menu option for “Engineering” products, and then “Capital Cost Estimator” product support option.

For Camo Analytics product support when calling us, please choose the menu option for “Manufacturing” products, and then “InfoPlus.21” product support option.

Region (holiday schedule)

North & Latin America
8:00 - 19:00 Eastern Time
Monday - Friday

North America Support Center (toll-free)+1 888 996 7100
U.S., Canada, Mexico+1 781 221 5500
Argentina(54) 800-345-0743
Brazil(55) 11 3197-3054
Colombia(57) 1 5088504
Mexico(52) 55 1167 8268
Venezuela (toll-free)(58) 800-1049175

Europe, Middle East, and Africa
8:30 - 18:00 Central European Time
Monday - Friday

Austria(43) 720 116664
Belgium (toll-free)(32) 800 40 687
Denmark(45) 89 88 20 65
Finland(358) 9 42450027
France(33) 184 88 64 86
Germany (toll-free)(49) 0800 1010068
Ireland(353) 818 000 171
Italy(39) 800 596 377
Netherlands(31) 85 208 3113
Russia(7) 499 350-38-74
South Africa(27) 87 550 3890
Spain(34) 932 20 16 60
Sweden(46) 31 301 18 44
Switzerland(41) 31 528 03 17
UAE (toll-free)(971) 800-0320904
United Kingdom(44) 800 060 8929

Asia and Pacific Region
9:00 - 17:00 Local time
Monday - Friday

Australia(61) 03 8652 1086
China(86) 10 5387 5867
India(91) 20 6678 2574
Indonesia(62) 21 5096 0391
Japan(81) 3-4579-0258
Korea (toll-free)(82) 080-822-1493
Korea(82) 2-6105-2463
Malaysia(60) 3-3099 2676
Philippines(63) 2 271 1405
Singapore(65) 3158 1682
Taiwan(886) 00801 856 983
Thailand(66) 1800 012 377