| 5B AUSTRALIA PTY LIMITED | 100–249 employees | 100 | 30.0% | 29.0% |
| Acciona Energy Australia Global Pty Ltd | 250–499 employees | 292 | 31.5% | 14.6% |
| ACEN AUSTRALIA PTY LTD | 100–249 employees | 116 | 31.0% | 29.6% |
| AEMO SERVICES LIMITED | 100–249 employees | 89 | 48.3% | 48.5% |
| AGL Energy Limited | 1,000–4,999 employees | 3,313 | 44.4% | 36.6% |
| Agl Loy Yang Pty Ltd | 500–999 employees | 575 | 12.5% | – |
| Agl Macquarie Pty Limited | 250–499 employees | 427 | 14.8% | – |
| Agl Torrens Island Pty Limited | 100–249 employees | 107 | 3.7% | – |
| Air Liquide Australia Limited | 250–499 employees | 378 | 24.6% | 28.3% |
| Alinta Servco Pty Ltd | 1,000–4,999 employees | 1,177 | 50.5% | 37.4% |
| Altogether Group Pty Ltd | 100–249 employees | 143 | 49.0% | 45.7% |
| AMBER ELECTRIC PTY LTD | 100–249 employees | 139 | 40.3% | 34.4% |
| Apt Am Employment Pty Limited | 500–999 employees | 643 | 27.1% | 17.9% |
| AQUA-TEC FLUID SYSTEMS PTY LTD | 100–249 employees | 174 | 19.0% | 19.4% |
| Astron Plastics Pty Limited | 100–249 employees | 81 | 11.1% | 0.0% |
| Atco Gas Australia Pty Ltd | 250–499 employees | 429 | 32.9% | 27.5% |
| Ausgrid Management Pty Ltd | 1,000–4,999 employees | 3,109 | 19.4% | 20.2% |
| AusNet Electricity Services Pty Ltd | 500–999 employees | 988 | 35.0% | 27.9% |
| AusNet Transmission Group Pty Ltd | 250–499 employees | 484 | 30.2% | 27.5% |
| Australian Energy Market Operator Limited | 1,000–4,999 employees | 1,604 | 39.2% | 32.3% |
| Australian Gas Networks Limited | 100–249 employees | 132 | 50.8% | 49.3% |
| Aztech Services Australia Pty Ltd | 100–249 employees | 125 | 8.0% | – |
| Benedict Recycling Pty Limited | 100–249 employees | 105 | 23.8% | 5.9% |
| Cleanaway Operations Pty Ltd | 5,000+ employees | 7,715 | 25.0% | 28.2% |
| Community Resources Limited | 250–499 employees | 375 | 33.9% | 38.6% |
| CSA GROUP PTY LTD | 250–499 employees | 295 | 12.5% | 7.7% |
| Downer Utilities Australia Pty Ltd | 1,000–4,999 employees | 1,755 | 15.9% | 14.5% |
| Edl Group Operations Pty Ltd | 250–499 employees | 381 | 29.7% | 31.8% |
| Electranet Pty Limited | 500–999 employees | 536 | 31.7% | 30.2% |
| Endeavour Energy Network Management Pty Ltd | 1,000–4,999 employees | 1,575 | 20.2% | 21.3% |
| ENERGYAUSTRALIA GEELONG PTY LTD | 100–249 employees | 211 | 68.7% | 57.9% |
| Energyaustralia Nsw Pty Ltd | 100–249 employees | 191 | 12.6% | 4.0% |
| Energyaustralia Services Pty Ltd | 1,000–4,999 employees | 1,457 | 46.3% | 40.5% |
| Energyaustralia Yallourn Pty Ltd | 250–499 employees | 272 | 11.0% | 12.1% |
| GENUSPLUS GROUP LTD | 500–999 employees | 973 | 15.4% | 12.8% |
| Goldwind Australia Pty Ltd | 250–499 employees | 300 | 22.3% | 14.5% |
| Iberdrola Australia Services Pty Limited | 250–499 employees | 262 | 35.9% | 37.2% |
| Icon Distribution Investments Limited And Jemena Networks (Act) Pty Ltd | 500–999 employees | 554 | 30.9% | 33.6% |
| Icon Retail Investments Limited And Agl Act Retail Investments Pty Ltd | 100–249 employees | 136 | 50.0% | 43.8% |
| INTELLIHUB AUSTRALIA PTY LTD | 250–499 employees | 266 | 35.3% | 30.5% |
| Ipower 2 Pty Limited & Ipower Pty Limited | 100–249 employees | 122 | 50.0% | 48.7% |
| J.J. Richards & Sons Pty Ltd | 1,000–4,999 employees | 2,859 | 17.1% | 4.5% |
| Jemena Asset Management Pty Ltd | 100–249 employees | 120 | 24.2% | – |
| Jemena Management Holdings Pty Ltd | 500–999 employees | 802 | 45.5% | 44.0% |
| Jemena Management Services Pty Ltd | 100–249 employees | 156 | 36.5% | 16.7% |
| Lms Energy Pty Ltd | 250–499 employees | 270 | 22.6% | 18.6% |
| Lochard Energy (Iona Operations) Trust | 100–249 employees | 136 | 32.4% | 35.1% |
| LYB Operations & Maintenance Pty Ltd | 100–249 employees | 169 | 14.2% | 20.0% |
| Med-X Pty Ltd | 100–249 employees | 85 | 27.1% | 23.1% |
| Millmerran Operating Company Pty Ltd | 100–249 employees | 92 | 4.3% | 0.0% |
| Multinet Pty Ltd | 100–249 employees | 89 | 37.1% | 34.8% |
| Murray Irrigation Limited | 100–249 employees | 137 | 31.4% | 21.4% |
| Murrumbidgee Irrigation Limited | 100–249 employees | 162 | 25.9% | 30.8% |
| MyConnect Trading Pty Ltd | 100–249 employees | 134 | 44.8% | 20.0% |
| North West Alliance Pty Ltd | 100–249 employees | 95 | 35.8% | 40.0% |
| NRG Gladstone Operating Services Pty Ltd | 250–499 employees | 263 | 13.3% | 3.7% |
| Origin Energy Eraring Services Pty Ltd | 100–249 employees | 217 | 8.3% | 0.0% |
| Origin Energy People Services Pty Ltd | 1,000–4,999 employees | 4,000 | 42.0% | 36.6% |
| Origin Energy Upstream People Services Pty Ltd | 1,000–4,999 employees | 1,048 | 32.5% | 31.8% |
| Overhead Distribution Services Pty Ltd | 100–249 employees | 89 | 1.1% | – |
| Pacific Energy Pty Ltd | 250–499 employees | 255 | 11.0% | 3.6% |
| PACIFIC ENERGY RENEWABLES WA PTY LTD | 250–499 employees | 248 | 15.7% | 9.7% |
| Pacific Hydro Investments Pty. Ltd. | 100–249 employees | 160 | 45.0% | 25.6% |
| POLYTRADE OPERATIONS PTY LTD | 100–249 employees | 177 | 18.6% | 0.0% |
| Powercor Australia Ltd | 1,000–4,999 employees | 2,337 | 22.1% | 25.3% |
| PREMIER WASTE MANAGEMENT PTY LTD | 100–249 employees | 212 | 18.4% | 25.0% |
| Progressive Green Pty Ltd | 100–249 employees | 87 | 42.5% | 30.0% |
| QUEENSLAND HYDRO PTY LTD | 100–249 employees | 199 | 48.2% | 33.3% |
| RE.TURN IT (QUEENSLAND) DEPOT PTY LIMITED | 100–249 employees | 175 | 17.7% | 45.0% |
| RE.TURN IT (VICTORIA) COLLECTION POINTS PTY LTD | 100–249 employees | 106 | 47.2% | 47.1% |
| RE.TURN IT (WA CDS) PTY LTD | 100–249 employees | 90 | 35.6% | 42.9% |
| Remondis Australia Pty Ltd | 1,000–4,999 employees | 1,089 | 23.6% | 24.2% |
| REPURPOSE-IT PTY LTD | 100–249 employees | 159 | 21.4% | 47.4% |
| Select Civil Pty Limited | 100–249 employees | 111 | 8.1% | 4.8% |
| Shell Energy Operations Pty Ltd | 500–999 employees | 517 | 46.0% | 33.9% |
| Shred-X Pty Ltd | 250–499 employees | 294 | 22.4% | 21.7% |
| Sims Group Australia Holdings Limited | 500–999 employees | 795 | 22.6% | 17.6% |
| SQUADRON ENERGY SERVICES PTY LTD | 100–249 employees | 235 | 37.4% | 33.0% |
| Suez Water Pty Ltd | 250–499 employees | 332 | 18.1% | 17.9% |
| Sunset Power International Pty Ltd | 250–499 employees | 267 | 18.7% | 25.0% |
| The Trustee For DBNGP WA Pipeline Trust | 250–499 employees | 310 | 29.7% | 22.9% |
| The Trustee for the NSW Electricity Networks Operations Trust | 1,000–4,999 employees | 1,928 | 29.9% | 25.5% |
| The trustee for Wasteflex Unit Trust | 100–249 employees | 81 | 58.0% | 50.0% |
| The Trustee for WASTEFREE UNIT TRUST | 100–249 employees | 101 | 8.9% | 20.0% |
| TILT RENEWABLES AUSTRALIA PTY LTD | 100–249 employees | 142 | 45.1% | 34.1% |
| Total Drain Cleaning Services Pty Ltd | 250–499 employees | 401 | 12.5% | 21.7% |
| Trility Pty Ltd | 100–249 employees | 83 | 19.3% | 22.7% |
| Trility Water Pty Ltd | 100–249 employees | 234 | 21.4% | 11.1% |
| Uam Pty Ltd | 100–249 employees | 110 | 10.9% | 0.0% |
| United Energy Services Pty Ltd | 250–499 employees | 323 | 30.3% | 15.3% |
| Utilities Management Pty Ltd | 1,000–4,999 employees | 2,981 | 21.6% | 23.7% |
| Veolia Environmental Services (Australia) Pty Ltd | 1,000–4,999 employees | 3,747 | 23.2% | 25.4% |
| Veolia Recycling & Recovery (No. 1) Pty Ltd | 100–249 employees | 119 | 10.9% | – |
| VEOLIA RECYCLING & RECOVERY PTY LTD | 1,000–4,999 employees | 1,097 | 12.3% | 22.5% |
| Veolia Water Operations Pty Ltd | 250–499 employees | 449 | 19.4% | 12.9% |
| WANLESS WASTE MANAGEMENT PTY LTD | 100–249 employees | 99 | 23.2% | 15.0% |
| Worley Power Services Pty Ltd | 250–499 employees | 365 | 15.9% | 16.9% |
| ZENITH ENERGY OPERATIONS PTY LTD | 100–249 employees | 209 | 17.7% | 16.2% |