NBS has produced specification systems and information products for construction industry professionals for more than 30 years. The National Building Specification is the recognised UK national standard and is used by over 5,000 organisations. NBS is a founder member of the International Construction Information Society, committed to improving, at an international level, communications between participants in the construction process.
NBS is part of RIBA Enterprises Ltd.
IHS is a leading global source of critical information and insight for customers in a broad range of
industries. Our customer product and service solutions span four major areas of information: energy,
product lifecycle management, environmental and security. By focusing on our customers first, we deliver
data and expertise that enable innovative and successful decision-making. Customers range from governments
and multinational companies to smaller companies and technical professionals in more than 180 countries. IHS
has been in business since 1959 and employs more than 3,500 people in 35 locations around the world.