37 Construction, repair, maintenance and renovation services for commercial and industrial entities, governments and utilities, namely, construction of roads, airports, hangars, medical facilities, commercial structures, schools, municipal structures, sports facilities; paving contractor services; road paving; land development and construction services in the nature of site work, namely, grading, clearing, cutting and patching asphalt and concrete, placement and compaction of rock, sand, dirt, asphalt, and concrete