Mars Canada says it has completed a $180‑million investment across four Ontario manufacturing facilities aimed at expanding production capacity, upgrading packaging lines and modernizing plant operations.

According to the company, the investment was made between 2022 and 2026 and spans its manufacturing operations in Bolton, Newmarket and Guelph, supporting Mars Snacking, Pet Nutrition, Food & Nutrition and Royal Canin production. The company said the upgrades are intended to improve productivity, reliability and sustainability across its Ontario footprint.

Mars said more than $100 million of the investment was directed toward three major packaging line upgrades, designed to increase throughput and support new product formats.

Site‑level investments include:

Mars said the Ontario investments bring its total capital spending in Canada to nearly $400 million since 2015. The company employs approximately 1,800 workers across its Ontario manufacturing sites.

The company said the investments were focused on automation, safety systems, energy efficiency and production reliability as part of its long‑term manufacturing strategy in Canada.