| 1 | Shopper Data Group PTY. LTD. | Australia | Sydney | N/A | New South Wales | 2060 | N/A | 2017 | $23,934,511,029 | 201,413 | N/A | N/A | 620576981 |
| 2 | Downer Edi Engineering Electrical PTY LTD | Australia | Sydney | Triniti Business Campus 39 Delhi Rd | New South Wales | 2113 | downeredi.***** | 1988 | $2,733,159,000 | 23,000 | N/A | N/A | 007102516 |
| 3 | Programmed Electrical Technologies LTD | Australia | Melbourne | L 32 727 Collins St | Victoria | 3008 | programmed.***** | 1999 | $2,433,224,508 | 20,476 | N/A | N/A | 089479676 |
| 4 | Iberdrola Australia (SA) Power Holdings PTY LIMITED | Australia | Sydney | 'Governor Phillip Tower' Level 22 1 Farrer Place | New South Wales | 2000 | nextwavelength.***** | 2019 | $2,014,551,145 | 115 | N/A | N/A | 635702126 |
| 5 | Broadspectrum Australia (qld) PTY LTD | Australia | Gladstone | 13 Roseanna St | Queensland | 4680 | broadspectrum.***** | 2002 | $1,805,654,928 | 11,210 | N/A | N/A | 100418228 |
| 6 | Salini Australia PTY LTD | Australia | Perth | Unit 6 Level | Western Australia | 6000 | salini-impregilo.***** | 2012 | $1,662,991,977 | 3,942 | N/A | N/A | 158955885 |
| 7 | Srg Global Services (western) PTY LTD | Australia | Perth | Level 2 500 Hay Street | Western Australia | 6008 | srgglobal.***** | 2010 | $1,188,330,000 | 10,000 | N/A | N/A | 145854360 |
| 8 | F F E Building Services LIMITED | Australia | Hobart | 11a Lampton Ave | Tasmania | 7009 | tasbgas.***** | N/A | $954,232,820 | 40 | N/A | N/A | N/A |
| 9 | Iberdrola Australia (nsw) Power Holdings PTY LIMITED | Australia | Sydney | Level 17 56 Pitt Street | New South Wales | 2000 | infigenenergy.***** | 2019 | $954,152,810 | 115 | N/A | N/A | 633503018 |
| 10 | Fredon (nt) PTY LIMITED | Australia | Darwin | U 11 17 Willes Rd | Northern Territory | 0828 | N/A | 2016 | $856,781,792 | 20 | N/A | N/A | 614147714 |
| 11 | Shanghai Electric Power Design Institute CO., LTD. | Australia | Melbourne | U 20 337 Settlement Rd | Victoria | 3074 | N/A | 2016 | $759,532,968 | 3 | N/A | N/A | 613315610 |
| 12 | Monadelphous Electrical & Instrumentation PTY LTD | Australia | Gladstone | 3 Anson Close | Queensland | 4680 | monadelphous.***** | 2000 | $631,835,061 | 5,317 | N/A | N/A | 092951043 |
| 13 | Honeywell Holdings PTY LTD | Australia | Sydney | Level 2 2 Richardson Place | New South Wales | 2113 | honeywell.***** | 1962 | $606,652,442 | 1,604 | N/A | N/A | 000383764 |
| 14 | Nrma Electric Highways Holdings PTY LTD | Australia | Sydney | L 13 135-151 Clarence Street | New South Wales | 2000 | N/A | 2022 | $594,165,000 | 5,000 | N/A | N/A | 659171758 |
| 15 | Nrma Electric Highways PTY LTD | Australia | Sydney | Level 13 135-151 Clarence Street | New South Wales | 2000 | mynrma.***** | 2022 | $594,165,000 | 5,000 | N/A | N/A | 659311163 |
| 16 | Marron Group Midco 1 PTY LTD | Australia | Melbourne | L 26 101 Collins St | Victoria | 3000 | N/A | 2019 | $587,485,319 | 5,203 | N/A | N/A | 633571052 |
| 17 | Southern Cross Electrical Engineering LIMITED | Australia | Perth | L 15 225 St Georges Tce | Western Australia | 6000 | scee.***** | 1988 | $520,097,963 | 1,214 | N/A | N/A | 009307046 |
| 18 | Epho PTY LIMITED | Australia | Sydney | L 24 200 George Street | New South Wales | 2000 | epho.***** | 2013 | $457,150,551 | 3,847 | N/A | N/A | 166733017 |
| 19 | Firm Power Services PTY LIMITED | Australia | Sydney | Level 7 341 George Street | New South Wales | 2000 | N/A | 2019 | $457,150,551 | 3,847 | N/A | N/A | 634138784 |
| 20 | Firm Power PTY LTD | Australia | Sydney | Level 24 200 George Street | New South Wales | 2000 | N/A | 2019 | $457,150,551 | 3,847 | N/A | N/A | 631500519 |
| 21 | Stowe Australia PTY LIMITED | Australia | Sydney | 10-12 Clyde St | New South Wales | 2116 | stoweaustralia.***** | 1983 | $415,476,842 | 1,843 | N/A | N/A | 002556603 |
| 22 | Elecnor Australia Holdings PTY. LTD. | Australia | Sydney | L 2 65 Berry St | New South Wales | 2060 | N/A | 2013 | $400,208,187 | 1,248 | N/A | N/A | 164831930 |
| 23 | Genusplus Group LTD | Australia | Perth | L 1 63 Abernethy Rd | Western Australia | 6104 | powerlinesplus.***** | 2017 | $364,818,074 | 325 | N/A | N/A | 620283561 |
| 24 | Wcx State Works Contractor PTY LIMITED | Australia | Sydney | Level 12 210 George Street | New South Wales | 2000 | N/A | 2018 | $336,879,679 | 20 | N/A | N/A | 624154089 |
| 25 | Construction Electrical Services PTY LTD | Australia | Melbourne | 12 Mallett Road | Victoria | 3043 | ceselectrical.***** | 2020 | $323,443,775 | 20 | N/A | N/A | 645314807 |
| 26 | Enerven Energy Infrastructure PTY LTD | Australia | Adelaide | 1 Station Pl | South Australia | 5007 | enerven.***** | 2017 | $289,565,131 | 269 | N/A | N/A | 621124909 |
| 27 | A.C.N. 003 905 093 PTY LTD | Australia | Sydney | 'Asic Mail Returned 27/07/2021' 38-46 **south Street | New South Wales | 2116 | N/A | 1989 | $276,226,388 | 3,400 | N/A | N/A | 003905093 |
| 28 | Sherry Service & Maintenance PTY LTD | Australia | Sydney | U 21 85 Alfred Rd | New South Wales | 2170 | sherryservice.***** | 1997 | $276,049,059 | 2,323 | N/A | N/A | 079484843 |
| 29 | Brighton Roofing Australia PTY LTD | Australia | Newcastle | 101 Munibung Road | New South Wales | 2285 | N/A | 2024 | $276,049,059 | 2,323 | N/A | N/A | 674151181 |
| 30 | Hamilton Instrument & Electrical PTY LTD | Australia | Brisbane | 18 Huntington Place | Queensland | 4014 | hamilton-au.***** | 2010 | $276,049,059 | 2,323 | N/A | N/A | 143598029 |
| 31 | Coastal Fire Protection And Electrical PTY LTD | Australia | Surfers Paradise | 208a San Fernando Drive | Queensland | 4213 | N/A | 2016 | $276,049,059 | 2,323 | N/A | N/A | 610850765 |
| 32 | Ara Manufacturing Victoria PTY LIMITED | Australia | Melbourne | 24-30 Halsey Road | Victoria | 3042 | N/A | 2004 | $276,049,059 | 2,323 | N/A | N/A | 110937463 |
| 33 | Austratronics PTY LTD | Australia | Sydney | U 32 105a Vanessa Street | New South Wales | 2208 | austratronics.***** | 1995 | $276,049,059 | 2,323 | N/A | N/A | 072183094 |
| 34 | Lec Safe Australia PTY LTD | Australia | Newcastle | 83 Vincent Street | New South Wales | 2325 | lecsafe.***** | 2002 | $276,049,059 | 2,323 | N/A | N/A | 101895998 |
| 35 | Ara Fire Protection Services PTY LIMITED | Australia | Sydney | 20 Binney Rd | New South Wales | 2148 | autofire.***** | 1981 | $276,049,059 | 2,323 | N/A | N/A | 002051041 |
| 36 | Environmental Automation PTY LIMITED | Australia | Sydney | U 1 192 Kingsgrove Rd | New South Wales | 2208 | environmentalautomation.***** | 1985 | $276,049,059 | 2,323 | N/A | N/A | 002938187 |
| 37 | Adco Electrics PTY LTD | Australia | Perth | 14 Royal St | Western Australia | 6107 | adcoelectrics.***** | 2006 | $244,896,260 | 245 | N/A | N/A | 119601295 |
| 38 | Caravan Electrical Solutions PTY LTD | Australia | Melbourne | 140-144 Moray Street | Victoria | 3205 | caravanelectricalsolutions.***** | 2011 | $243,132,318 | 2,046 | N/A | N/A | 150070590 |
| 39 | Techsafe Australia PTY. LTD. | Australia | Melbourne | Se 2 13 Compark Circuit | Victoria | 3170 | techsafe.***** | 2001 | $237,666,000 | 2,000 | N/A | N/A | 097315341 |
| 40 | Lumo Generation Nsw PTY LTD | Australia | Sydney | 'Lot 3 Pier 8 / 9' 23 Hickson Road | New South Wales | 2000 | N/A | 2010 | $232,437,348 | 1,956 | N/A | N/A | 147186865 |
| 41 | Honeywell LTD | Australia | Sydney | L 3 2 Richardson Pl | New South Wales | 2113 | honeywell.***** | 1968 | $190,608,132 | 1,604 | N/A | N/A | 000646882 |
| 42 | Data Plan PTY. LTD. | Australia | Caloundra | 33 Dalton Dr | Queensland | 4558 | N/A | 1986 | $188,469,138 | 1,586 | N/A | N/A | 010633539 |
| 43 | Nilsen (nsw) PTY. LTD. | Australia | Sydney | U 26/38 South St | New South Wales | 2116 | nilsen.***** | 2005 | $176,467,005 | 1,485 | N/A | N/A | 115075119 |
| 44 | Nilsen Networks PTY. LTD. | Australia | Melbourne | U 4 3 - 5 Gilda Ct | Victoria | 3170 | nilsen.***** | 2006 | $176,467,005 | 1,485 | N/A | N/A | 122338685 |
| 45 | Nilsen (nt) PTY. LTD. | Australia | Darwin | 41 Berrimah Rd | Northern Territory | 0828 | nilsen.***** | 2005 | $176,467,005 | 1,485 | N/A | N/A | 115074989 |
| 46 | Nilsen (vic) PTY LTD | Australia | Perth | 12 Efficiency Way | Western Australia | 6163 | nilsen.***** | 1927 | $176,467,005 | 1,485 | N/A | N/A | 004139904 |
| 47 | Hitachi Energy Australia Holdings PTY LTD | Australia | Brisbane | Level 3 100 Mclachlan Street | Queensland | 4006 | N/A | 2019 | $170,124,780 | 289 | N/A | N/A | 632805862 |
| 48 | Sj Enterprises (qld) PTY. LTD. | Australia | Rockhampton | 24 Chappell Street | Queensland | 4701 | firelec.***** | 2007 | $158,642,055 | 1,335 | N/A | N/A | 128599324 |
| 49 | Securitas Electronic Security Qld PTY LTD | Australia | Melbourne | 79 Chifley Dr | Victoria | 3072 | securitas-australia.***** | 2015 | $153,769,902 | 1,294 | N/A | N/A | 606928223 |
| 50 | Laser Electrical Group PTY LTD | Australia | Sydney | Unit 1 43-45 Davies Road | New South Wales | 2211 | N/A | 2003 | $152,225,073 | 1,281 | N/A | N/A | 106393177 |
| 51 | Laser Group Services PTY LTD | Australia | Sydney | Unit 1 43-45 Davies Road | New South Wales | 2211 | lasergroup.***** | 2009 | $152,225,073 | 1,281 | N/A | N/A | 137881406 |
| 52 | Tariff Expert PTY LTD | Australia | Sydney | Level 4 580 George Street | New South Wales | 2000 | N/A | 2010 | $142,124,268 | 1,196 | N/A | N/A | 145027201 |
| 53 | Transelect PTY LTD | Australia | Wollongong | 18 Investigator Dr | New South Wales | 2526 | electrical.***** | 2004 | $136,301,451 | 1,147 | N/A | N/A | 109819490 |
| 54 | Consolidated Power Projects Australia PTY LTD | Australia | Adelaide | 205 Halifax St | South Australia | 5000 | conpower.***** | 1996 | $128,933,805 | 1,085 | N/A | N/A | 075411219 |
| 55 | Vinci Energies Australia PTY LTD | Australia | Melbourne | U1 8 Weddel Ct | Victoria | 3026 | electrix.***** | 2014 | $128,098,512 | 611 | N/A | N/A | 602042339 |
| 56 | Ace Contractors Holding PTY LTD | Australia | Melbourne | 11-13 Moncrief Road | Victoria | 3131 | acecon.***** | 2020 | $116,559,026 | 448 | N/A | N/A | 639834389 |
| 57 | Mojo Electric Vehicles PTY LTD | Australia | Brisbane | 68 Moss Street | Queensland | 4127 | N/A | 2021 | $106,949,700 | 900 | N/A | N/A | 647073238 |
| 58 | Tasman Power Holdings PTY LTD | Australia | Tom Price | 50 Nameless Valley Drive | Western Australia | 6751 | tasmanpower.***** | 2008 | $105,990,067 | 550 | N/A | N/A | 131958337 |
| 59 | Everett Smith & CO. PTY. LTD. | Australia | Perth | 58 Howe St | Western Australia | 6017 | everettsmith.***** | 1986 | $101,528,211 | 289 | N/A | N/A | 009184338 |
| 60 | Barnwell Cambridge PTY. LIMITED | Australia | Sydney | 9 Subway Rd | New South Wales | 2216 | barnwellcambridge.***** | 1983 | $101,456,715 | 116 | N/A | N/A | 002682957 |
| 61 | Nrw Contracting (NO.2) PTY LTD | Australia | Perth | 181 Great Eastern Highway | Western Australia | 6104 | bgc.***** | 2017 | $100,532,718 | 846 | N/A | N/A | 621008473 |
| 62 | Coulter Electronics PTY. LIMITED | Australia | Sydney | 23-27 Chaplin Dr | New South Wales | 2066 | N/A | 1969 | $85,797,426 | 722 | N/A | N/A | 008476926 |
| 63 | Cvsg Electrical Construction PTY LIMITED | Australia | Brisbane | 148 Hedley Ave | Queensland | 4011 | cvservices.***** | 2007 | $81,875,937 | 689 | N/A | N/A | 126181404 |
| 64 | One Diversified PTY LTD | Australia | Melbourne | 199 Heidelberg Rd | Victoria | 3070 | onediversified.***** | 2019 | $77,789,662 | 326 | N/A | N/A | 632586844 |
| 65 | Mayfield Group Holdings LIMITED | Australia | Adelaide | 3 Gidgie Court | South Australia | 5111 | mayfieldindustries.***** | 1985 | $76,669,193 | 215 | N/A | N/A | 010597672 |
| 66 | Star Group Holdings PTY LIMITED | Australia | Sydney | 46 Harley Cres | New South Wales | 2200 | star-group.***** | 1964 | $76,220,040 | 367 | N/A | N/A | 000452924 |
| 67 | Kilsaran PTY LTD | Australia | Sydney | 46 Harley Cres | New South Wales | 2200 | star-group.***** | 2016 | $76,220,040 | 367 | N/A | N/A | 610645835 |
| 68 | Abb Industry PTY LIMITED | Australia | Sydney | 1 Bapaume Road | New South Wales | 2170 | new.***** | 1962 | $76,108,955 | 115 | N/A | N/A | 000390536 |
| 69 | Star Electrical CO PTY LTD | Australia | Sydney | 46 Harley Cres | New South Wales | 2200 | commstar.***** | 1957 | $75,129,426 | 221 | N/A | N/A | 000218708 |
| 70 | Amistel PTY LTD | Australia | Melbourne | Level 17 181 William Street | Victoria | 3000 | N/A | 2000 | $72,369,934 | 20 | N/A | N/A | 091860703 |
| 71 | Woodside Power (generation) PTY LTD | Australia | Perth | 'Mia Yellagonga' 11 Mount Street | Western Australia | 6000 | woodside.***** | 2019 | $72,275,167 | 20 | N/A | N/A | 631179756 |
| 72 | Contract Power Assets PTY LTD | Australia | Perth | 338 Gnangara Rd | Western Australia | 6065 | N/A | 2018 | $71,418,633 | 601 | N/A | N/A | 624940683 |
| 73 | Contract Power Land PTY LTD | Australia | Perth | 338 Gnangara Road | Western Australia | 6065 | N/A | 2018 | $71,418,633 | 601 | N/A | N/A | 624941573 |
| 74 | Pacific Energy Renewables Wa PTY LTD | Australia | Perth | 25 Fawcett Crescent | Western Australia | 6105 | hybridsystemsaustralia.***** | 2015 | $71,418,633 | 601 | N/A | N/A | 609605987 |
| 75 | Delnorth Group PTY LTD | Australia | Sydney | 29 Penelope Crescent | New South Wales | 2148 | N/A | 2014 | $69,873,804 | 588 | N/A | N/A | 600804420 |
| 76 | Universal Communications Group PTY LTD | Australia | Brisbane | L 2 4 Clunies Ross Ct | Queensland | 4113 | ucg.***** | 2008 | $66,987,562 | 334 | N/A | N/A | 131591636 |
| 77 | Swan River Power PTY LTD | Australia | Perth | 171-173 Mounts Bay Road | Western Australia | 6000 | N/A | 2019 | $66,984,120 | 20 | N/A | N/A | 637714795 |
| 78 | Decon CORPORATION PTY LTD | Australia | Melbourne | 12 Dalmore Drive | Victoria | 3179 | deconcorp.***** | 2015 | $66,112,050 | 297 | N/A | N/A | 606401012 |
| 79 | Genus Infrastructure (qld) PTY LTD | Australia | Townsville | 29 Jay St | Queensland | 4818 | burtonpower.***** | 2010 | $60,723,663 | 511 | N/A | N/A | 146150512 |
| 80 | Connect Infrastructure Construction PTY LTD | Australia | Sydney | '- 3' Unit 2 54 Lyn Parade | New South Wales | 2170 | cinf.***** | 2007 | $60,723,663 | 511 | N/A | N/A | 124700214 |
| 81 | Genus Infrastructure PTY LTD | Australia | Perth | 11-15 Cooper Avenue | Western Australia | 6107 | N/A | 2009 | $60,723,663 | 511 | N/A | N/A | 135293793 |
| 82 | Proton Power PTY. LTD. | Australia | Perth | 168 Campbell Street | Western Australia | 6104 | protonpower.***** | 2017 | $60,723,663 | 511 | N/A | N/A | 616665493 |
| 83 | Genus Infrastructure (nsw) PTY LTD | Australia | Sydney | '- 3' Unit 2 54 Lyn Parade | New South Wales | 2170 | N/A | 2019 | $60,723,663 | 511 | N/A | N/A | 637685851 |
| 84 | Connect Infrastructure PTY LTD | Australia | Sydney | '- 3' Unit 2 54 Lyn Parade | New South Wales | 2170 | connecteng.***** | 2006 | $60,723,663 | 511 | N/A | N/A | 121223096 |
| 85 | Connect Engineering PTY LIMITED | Australia | Sydney | '- 3' Unit 2 54 Lyn Parade | New South Wales | 2170 | N/A | 1987 | $60,723,663 | 511 | N/A | N/A | 003282371 |
| 86 | Fredon Air (nsw) PTY LIMITED | Australia | Sydney | 123 Wetherill St | New South Wales | 2128 | fredon.***** | 2013 | $58,878,552 | 600 | N/A | N/A | 165145764 |
| 87 | Maxim Group Australia PTY LTD | Australia | Melbourne | 9-11 Abbott St | Victoria | 3078 | maximelec.***** | 2021 | $57,450,904 | 220 | N/A | N/A | 652585192 |
| 88 | Red Dirt Contracting PTY LTD | Australia | Perth | Unit 1 21 the Esplanade | Western Australia | 6153 | N/A | 2023 | $56,703,468 | 20 | N/A | N/A | 668704569 |
| 89 | Spark Energy Australia PTY LTD | Australia | Melbourne | 199 Fitzroy Street | Victoria | 3182 | N/A | 2019 | $56,488,432 | 20 | N/A | N/A | 631057068 |
| 90 | Quickway Electrical PTY LIMITED | Australia | Sydney | Unit 40 2 Slough Avenue | New South Wales | 2128 | quickway.***** | 2018 | $56,334,894 | 20 | N/A | N/A | 627280602 |
| 91 | Quickway Contractors PTY LIMITED | Australia | Sydney | Unit 40 2 Slough Avenue | New South Wales | 2128 | quickway.***** | 2018 | $56,334,894 | 20 | N/A | N/A | 627277276 |
| 92 | Oberix Group PTY LTD | Australia | Melbourne | 21-29 Miles Street | Victoria | 3170 | iautomation.***** | 1992 | $53,797,349 | 300 | N/A | N/A | 058251906 |
| 93 | Prime Electrical & Data Services PTY LTD | Australia | Melbourne | 262 Darebin Road | Victoria | 3078 | primes.***** | 2003 | $52,167,744 | 263 | N/A | N/A | 103669003 |
| 94 | Arrow Braemar 2 Holdings PTY LIMITED | Australia | Brisbane | L 39 111 Eagle Street | Queensland | 4000 | N/A | 2008 | $51,811,188 | 436 | N/A | N/A | 129887716 |
| 95 | Cv Services Group PTY LTD | Australia | Brisbane | 148 Hedley Ave | Queensland | 4011 | cvservices.***** | 2007 | $51,457,148 | 520 | N/A | N/A | 128857447 |
| 96 | J & P Richardson Industries PTY LTD | Australia | Brisbane | 114 Campbell Ave | Queensland | 4076 | jpr.***** | 1980 | $51,147,284 | 302 | N/A | N/A | 001952325 |
| 97 | Q Electrical Services PTY LTD | Australia | Brisbane | 6-8 Mckechnie Drive | Queensland | 4113 | qelectrical.***** | 1995 | $48,071,956 | 100 | N/A | N/A | 068064817 |
| 98 | Girgarre Solar Holding PTY LTD | Australia | Sydney | '07 One International Towers' Level 23 100 Barangaroo Avenue | New South Wales | 2000 | N/A | 2019 | $48,016,333 | 115 | N/A | N/A | 634982675 |
| 99 | Bouldercombe Solar Holding PTY LTD | Australia | Sydney | '07 One International Towers' Level 23 100 Barangaroo Avenue | New South Wales | 2000 | N/A | 2020 | $48,016,333 | 115 | N/A | N/A | 645844551 |
| 100 | Cohuna Solar Holding PTY LTD | Australia | Sydney | '07 One International Towers' Level 23 100 Barangaroo Avenue | New South Wales | 2000 | N/A | 2018 | $48,016,333 | 115 | N/A | N/A | 630720615 |