- National Standard Residential Mechanical Class C W32
- National Standard Journeyman Mechanical W31
- National Standard Master Mechanical W29
- National Standard Journeyman Plumber N25
- National Standard Master Plumber N24
- National Standard Master Plumber with Gas 674
- National Residential Fire Sprinkler Design/Installation 680
- National Standard Residential Mechanical Class C 679
- National Standard Journeyman Plumber with Gas Piping 675
- National Standard Journeyman Plumber 673
- National Standard Journeyman Mechanical 671
- National Standard Master Plumber 672
- National Standard Master Mechanical 670
- National Standard Journeyman Gas Pipe Fitter N34
- National Standard Master Gas Pipe Fitter N33
- National Standard Residential Mechanical Class C N32
- National Standard Journeyman Mechanical N31
- National Standard Master Mechanical N29
- National Standard Residential Plumber 676
- National Standard Journeyman Plumber W25
- National Standard Master Plumber W24
- National Standard Journeyman Electrician 703
- National Standard Residential Electrician 824
- National Standard Journeyman Electrician N17
- National Standard Residential Electrician N18
- National Standard Master Electrician 701
- National Standard Master Electrician N16
- National Standard Master Sign Electrician N22
- National Standard Master Electrician W16
- National Standard Residential Electrician W18
- National Standard Journeyman Electrician W17
- National Standard Building Contractor (B) 615
- National Standard General Building Contractor (A) 614
- National Standard Shingle Roofing N15
- National Standard Residential Building Contractor (C) N13
- National Standard General Building Contractor (A) W11
- National Standard Roofing Contractor/Subcontractor W14
- National Standard Residential Building Contractor (C) W13
- National Standard Roofing Contractor/Subcontractor N14
- National Standard Building Contractor (B) W12
- National Standard General Building Contractor (A) F11
- National Standard Fire Suppression Installer/Worker N35
- National Residential Fire Sprinkler Design and Installation W33
- CMC-D Mechanical Fire Sprinklers and Fire Protection Contractor
- CMC-C Mechanical HVAC/Refrigeration Contractor
- CMC Full Mechanical Contractor
- BC-B-C Commercial/Industrial Contractor
- BC-A-b (sm) Combined Residential / Small Commercial Contractor
- BC-A-B Combined - Residential/Commercial Contractor
- BC-C Industrial Contractor
- BC-b Small Commercial Contractor
- BC-B Commercial Contractor
- BC - A Residential Contractor
- BC - Combined - Residential/Commercial/Industrial Contractor
