Mackay Marine Canada, formerly known as CMC Electronics, is the largest marine electronics company in Canada. As part of the global Mackay Marine group, the company specializes in the design, manufacture, sales, and support of high-technology electronics products for the aviation, marine, and global positioning markets. With a history dating back to 1903, Mackay Marine Canada operates multiple branch offices across Canada, providing comprehensive marine electronics solutions and services to a diverse clientele.