| 54210 | Installation of traffic lights | |
| 54691 | Installation of travelators | |
| 54632 | Installation of ventilation | |
| 54760 | Installation of verandas | |
| 54720 | Installation of wallboard | |
| 54341 | Installation of water well pumps | |
| 54341 | Installation of well piping systems | |
| 54760 | Installation of window frames | |
| 54710 | Installation of window glass | |
| 54760 | Installation of windows | |
| 54770 | Installation of wire fences | |
| 54770 | Installation of wood fences | |
| 54619 | Installation services n.e.c., electrical | |
| 54699 | Installation services n.e.c., other | |
| 86550 | Installation services of electrical machinery and apparatus n.e.c. | |
| 86520 | Installation services of fabricated metal products, except machinery and equipment | |
| 86530 | Installation services of machinery and equipment n.e.c. | |
| 86540 | Installation services of office and computing machinery | |
| 86570 | Installation services of professional medical, precision and optical instruments | |
| 86560 | Installation services of radio, television and communications equipment and apparatus | |
| 86510 | Installation services of turnkey projects | |
| 54270 | Installations, beach, general construction of | |
| 92390 | Institutes, professional, education services provided by | |
| 91121 | Institutions, educational, administrative services related to | |
| 91124 | Institutions, religious, support services for | |
| 93311 | Institutions, residential, care of elderly persons by | |
| 93311 | Institutions, residential, care of mentally disabled persons by | |
| 93311 | Institutions, residential, care of physically disabled persons by | |
| 93311 | Institutions, residential, welfare services delivered through | |
| 87154 | Instruments, checking, maintenance and repair of | |
| 87154 | Instruments, measuring, maintenance and repair of | |
| 86570 | Instruments, medical, installation of | |
| 87154 | Instruments, medical, repair of | |
| 62342 | Instruments, musical, mail order retail trade services of | |
| 87290 | Instruments, musical, maintenance and repair of | |
| 62142 | Instruments, musical, non-specialized store retail trade services of | |
| 62442 | Instruments, musical, other non-store retail trade services of | |
| 73290 | Instruments, musical, rental or leasing of | |
| 62542 | Instruments, musical, retail trade services of, on a fee or contract basis | |
| 62242 | Instruments, musical, specialized store retail trade services of | |