computer programs recorded on disks and data bases recorded on magnetic tape and disks, used in the construction industry

books focusing on the construction industry, periodicals, namely, manuals and subscription service reports used in the construction industry and printed instructional manuals for computer programs to be used in the construction industry

consulting services rendered to the construction industry

educational services, namely, seminars in the field of estimating of construction costs, scheduling and project management, the construction process, and avoiding and resolving construction claims