The article is about rendering informational support for construction specialists after the example of information systems of “Techexpert” network. The reform of the technical regulation in our country was followed by the formation of a huge number of new regulatory and technical specifications along with international standards. Structuring and operational update of normative and technical documents are main tasks of the development of information systems. The “Techexpert” network develops systems specialized for defined industries. The article presents the main structural components of these systems, designed specially for professionals of the construction area.