| Accommodation, tourism and travel |
12 |
| Accounting, auditing and legal services |
51 |
| Agriculture, forestry and fishery |
23 |
| Air conditioning, heating and refrigeration |
12 |
| Architectural services and structural engineering |
17 |
| Auction and disposal services |
27 |
| Aviation services and supplies |
9 |
| Building services, maintenance and supplies |
108 |
| Chemical services and supplies |
12 |
| Civil engineering and projects |
146 |
| Cleaning, hygiene services and pest control |
55 |
| Clothing and textiles |
39 |
| Communication, media, PR and advertising |
24 |
| Construction |
286 |
| Consulting and professional services |
317 |
| Education and training |
51 |
| Electrical (commercial and domestic) |
182 |
| Electrical (generation and transmission) |
123 |
| Employment, recruitment and human resources |
21 |
| Engineering services |
41 |
| Events management and supplies |
5 |
| Financial, banking and insurance services |
36 |
| Fire and protective equipment |
42 |
| Food services, catering and supplies |
20 |
| Fuel, coal and oil supplies |
22 |
| Gardening, landscaping and horticulture |
26 |
| Health, wellness and sport |
35 |
| IT hardware and equipment |
91 |
| IT networking and telecommunications |
83 |
| IT services, programming, consulting and software |
114 |
| Machinery and equipment |
51 |
| Medical equipment, supplies and services |
46 |
| Mining services and supplies |
1 |
| Office and property rental |
50 |
| Office equipment, stationery and furniture |
35 |
| Plumbing services and supplies |
10 |
| Property sales, development and services |
20 |
| Publishing, design, printing, audio and video |
29 |
| Rail services and supplies |
26 |
| Road construction and maintenance |
107 |
| Scientific services and supplies |
47 |
| Security services and supplies |
86 |
| Services: other |
30 |
| Supplies: other |
42 |
| Transport, storage, logistics and courier services |
30 |
| Vehicles, services, parts and repairs |
59 |
| Waste management |
47 |
| Water and sewerage |
93 |