services rendered to contractors, subcontractors, licensees and customers in the construction or making of permanent buildings, particularly the service of designing and engineering buildings constructed of lightweight, plastic foam blocks, the training of builders and workers and the providing of ongoing construction support in the building of structures and methods of construction, including lightweight foam blocks, the training of, and providing construction information material to builders, maintaining construction code approvals and provision of ongoing product enhancements as they relate to additional related building systems