The Construction Specifier Rust Belt Region reinvents its Industrial Roots. Read More

Attaining the Certified Construction Specifier (CCS) certification validates that you’re a skilled product researcher who knows how to identify cost-effective, efficient solutions – and …

For over 50 years, CSI has provided standards - like MasterFormat®, UniFormat®, and OmniClass® - to help construction professionals with the communication and ordering of …

Industry professionals post questions and share answers about reading, writing, and using specifications. Learn More

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Learn all about the CSI Construction Documents Technologist (CDT) certification including who is eligible and the benefits of earning your CDT.

Specifications are baked into every construction project, translating design into reality. And while “Specifications” is part of our name, CSI is a lot more than specifications – it’s about …

Specifications are baked into every construction project, translating design into reality. And while “Specifications” is part of our name, CSI is a lot more than specifications – it’s about …

MasterFormat unifies your project under a common standard – connecting designs, building products, preconstruction activities, estimates, and contracts, and construction – supporting all …

CSI is dedicated to improving the communication of construction information through: A diversified membership base of allied professionals involved in the creation and management of the built …