[Class : 37] Services Related To Building Construction, Repair, And Installation. Key Areas Include Contractors For Residential/Commercial Structures, Cleaning, Maintenance/Restoration Of Objects To Original Condition (Not Altering Properties), And Specialized Services Like Plumbing, Painting, Or Hvac Installation. It Also Includes Oil/Gas Drilling And Mining.

[Class : 40] Services Related To The Mechanical Or Chemical Treatment, Processing, Or Transformation Of Materials, Substances, Or Objects.

[Class : 42] Scientific, Technological, And Research Services, Along With Computer Hardware/Software Design And Development.