Grey Northern Powerline Inc in Markdale offers electrical work on industrial, commercial, and residential properties, as well as provides outdoor lighting fixture installations. Whether you need to have a flickering light fixed at your house or you're looking for electrical contractors to build a new power line, our electricians will do the job on time and on budget. Contact us to request a service or an estimate on any electrical work, including outdoor lighting fixture installation, yard lighting, overhead and underground service and more. more... See more text