Construction equipment supplier. Equipment Sales & Service Limited has been keeping Canada's heavy equipment up & running for more than 69 years. Every day, we prove our commitment to maximizing uptime and productivity for customers at work in construction, demolition, roadbuilding, mining, aggregates, forestry and more. In addition to being the authorized dealer for many of today's most respected equipment brands in the equipment industry, ESS is renowned as Canada's largest supplier of aftermarket equipment parts and as an experienced specialist in undercarriage service.