Project included 400,000-square-foot expansion.

Investment will mark entrance into US flour milling.

Flour supplier adding warehouse, packaging line.

Miller Milling also expanding sustainability efforts.

70,000-square-foot center includes 35 loading docks.

The brand reached $1 billion in sales in 2022.

The plant opened in 2016.

Company invests $83 million in 15,000-square-foot expansion.

Company invested $50 million in the facility.

Will be the largest baking manufacturer in greater Toronto area.