| L | SM3032000 | MARINE TRANSPORT SERV-AIR-CONDITIONING & REFRIGERATION REPAIR |
| L | SO2020300 | OFFSHORE FACILITIES CONST-SOMM SPECIALIST ELECT&INSTR SYSTEM |
| L | PH1010100 | HEATING VENTILATION & AIR COND-FANS – GENERAL |
| L | PH1010200 | HEATING VENTILATION & AIR COND-FANS – HAZARDOUS AREA |
| L | PH1030100 | HEATING VENTILATION & AIR COND-HANDLG UNITS – GENERALS |
| L | PH1030200 | HEATING VENTILATION & AIR COND-HANDLG UNITS – HAZARDOUS AREA |
| L | PH1030300 | HEATING VENTILATION & AIR COND-HANDLG UNITS – COMPUTER ROOM |
| L | PH1040000 | HEATING VENTILATION & AIR COND-FAN-COILS |
| L | PH1050100 | HEATING VENTILATION & AIR COND-CHILLERS-DIRECT GAS FIRED |
| L | PH1020000 | HEATING VENTILATION & AIR COND-FILTERS |
| L | PH1060100 | HEATING VENTILATION & AIR COND-CONDENSER UNITS-NON-HAZARDOUS |
| L | SC3030400 | CONSULTANCY SERV-INDUSTRIAL HYGIENE SURVEY & SERV |
