IHS (formerly Technical Indexes, tionestop.com) is a leading edge supplier of BSi British Standards, Standards, Regulations, Product and Supplier Information to 7 core industries worldwide including Construction/Engineering, Aerospace/Aviation, Government/Defence, Health & Safety and Environment, Food & Drink, Energy, Rail/Transport.

IHS provides information access at the desktops of Architects, Civil & Structural Engineers, Designers, Health & Safety Professionals, Standards Engineers, Quality Assurance Managers, Compliance Officers and Strategic Planners.