Farrish Construction is located outside of Listowel, Ontario and is a custom crushing company and producer of crushed stone, sand and gravel for asphalt paving, road construction and materials recycling, and has been serving the area for 75 years as a family owned and operated business. Established by Robert G Farrish in 1948.

The company is currently owned byRoberts son - Rob Farrish.

Farrish Crushing is a separate company, a custom crushing operation that has 10 employees and produces about 650,000 of custom rock per year. Farrish Crushing owns and operates mobile crushing equipment producing construction aggregate for contractors that build roads, parking lots, driveways, paved areas and for other construction projects.