| 631 | Australia | Commercial Solar Melbourne and Home Solar Panels Installers | | +61 1300 556781 | www.vicsolarmelbourne.online | | |
| 632 | Australia | Commercial Utility Solutions | 40 Atlantic Ave., Mermaid Beach, QLD 4218 | +61 401 736730 | www.commercialutilitysolutions.com.au | | LG Electronics, Inc. |
| 633 | Australia | CommPower Industrial Pty Ltd | Unit 6, 88 Wirraway Drive, Port Melbourne, Vic, 3207 | +61 9646 3613 | www.commpowerindustrial.com | Fronius International GmbH | |
| 634 | Australia | Commsolar Pty Ltd | Ground Floor, 99 Coventry Street | +61 1300786769 | www.commsolar.com.au | | |
| 635 | Australia | Communicate Electrical Pty Ltd | Mooroolbark, VIC 3138 | +61 477 880955 | https://www.communicate-electrical.com.au | | |
| 636 | Australia | Compleat Electrics | 26, Jellico Drive, Scoresby, VIC, 3179 | +61 3 97631414 | www.compleat.net.au | SMA Solar Technology AG, Enphase Energy, Inc. | |
| 637 | Australia | Complete Electrical CQ | 55b Lakes Creek Rd., QLD 4701 | +61 417 859505 | https://www.completeelectricalcq.com.au | | |
| 638 | Australia | Complete RV Services Pty Ltd. | Unit 3, 85-87 Batt Street, Penrith NSW 2750 | +61 423 384873 | www.rvservices.com.au | | |
| 639 | Australia | Complete Solar Solutions | 64 Mohair Road, Lockwood, Victoria 3551 | +61 428 341253 | www.completesolarsolutions.com.au | | |
| 640 | Australia | Comstar Systems Pty Ltd | 17, Brisbane Street, Hobart, Tasmania, 7000 | +61 3 62310150 | www.comstarsystems.com.au | | |
| 641 | Australia | Concept Electrical & Solar Pty Ltd | PO Box 1705 Warriewood Shopping Square, Warriewood, NSW 2102 | +61 2 85426573 | www.conceptelectrical.com.au | Yingli Green Energy Holding Co., Ltd., Trina Solar Limited, Canadian Solar Inc., ReneSola Ltd. | SMA Solar Technology AG, Fronius International GmbH |
| 642 | Australia | Concise Energy | GPO Box 5218 Sydney NSW 2001 | +61 1300 727808 | www.conciseenergy.com.au | SunPower Corp., Trina Solar Limited, Jinko Solar Holding Co., Ltd., LG Electronics, Inc., OpalSolar | SMA Solar Technology AG, Latronics Sunpower Pty. Ltd., Selectronic Australia Pty Ltd |
| 643 | Australia | Confac Electrical Services | PO Box 420, South Hobart, Tasmania 7004 | +61 419 358634 | www.confacelectrical.com.au | | |
| 644 | Australia | Connect Electrical QLD | PO Box 1327, Noosaville BC, QLD 4566 | +61 421 838770 | ceqld.com.au | | |
| 645 | Australia | Connectit Communications Pvt. Ltd. | 2 /282-288, Princes Highway, Sylvania, NSW 2224 | +61 2 95225008 | https://connectitcom.com.au | | |
| 646 | Australia | Consolidated Energy | 102, Indian Drive, Keysborough, VIC, 3173 | +61 3 97948250 | https://consolidatedenergy.com.au | | |
| 647 | Australia | Construct Solar | Shop 1/33, Warwick St, Walkerville, SA 5081 | +61 8 72212945 | www.constructsolar.com.au | Fronius International GmbH | |
| 648 | Australia | Contact Group | 48 New Town Road, New Town, TAS, 7008 | +61 3 62310944 | https://contactgroup.com.au | SMA Solar Technology AG | |
| 649 | Australia | Contact Solar Electrical | | +61 409 842342 | www.contactsolarelec.com.au | | |
| 650 | Australia | Continuum Solar | 16A Tacoma Circuit, Canning Vale, WA 6155 | +61 8 92562684 | continuumsolar.com.au | SMA Solar Technology AG, Fronius International GmbH, Shenzhen Sofar Solar Co., Ltd. | |
| 651 | Australia | Contracting Kings Pty Ltd | 22 Somerset Road Yallourn, North, Vic 3825 | +61 1300 240636 | www.contractingkings.com.au | | |
| 652 | Australia | Cool or Cosy | 65, Stephens Avenue, Torrensville, SA, 5031 | +61 8 83525588 | www.coolorcosy.com.au | Sonnen GmbH | |
| 653 | Australia | Cooler Than Me | 40 Tod St, Glenelg North, SA, 5045 | +61 458 212213 | coolerthanme.com.au | | |
| 654 | Australia | Cooling the Tropics | PO Box 575, Redlynch Qld 4870 | +61 428 442112 | www.coolingthetropics.com.au | | |
| 655 | Australia | Cooloola Solar services | Bath Terrace, 4570 Victory Heights Q | +61 7 54824302 | www.coolasola.com.au | | |
| 656 | Australia | Coopz Electrical Pty Ltd | 15 Oatberry Cres, Shailer Park QLD 4128 | +61 438 799042 | coopzelectrical.com.au | | |
| 657 | Australia | Cornell Electrical | | +61 423 651202 | https://www.cornellelectrical.com.au | | |
| 658 | Australia | Cornish Property Services | 1 McCabe Place Chatswood NSW 2067 | +61 1300 130098 | www.cornishservices.com.au | | |
| 659 | Australia | Corona Solar | 2 Stormbird Drive, Noosa Heads, QLD 4567 | +61 426 767902 | https://coronasolar.com.au | | REC Group, Jinko Solar Holding Co., Ltd. |
| 660 | Australia | Cosma Electrics | Yambla st, Clifton Hill, Melbourne, VIC, 3068 | +61 401 079332 | www.cosmaelectrics.com.au | | |