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Greystone is Certified and affiliated with: TSSA/CWB/CSAO/TCA/CWA/ECRA/ESA
Greystone is a ISO 9001:2008 certified registered company.
Electrical Contractors Licence No. 7013583


Greystone Industrial Services can offer a full range of building services for property management firms, building owners, and facility managers in commercial and industrial markets. Our full service building engineering and maintenance solutions afford you maximum productivity.

In today's business environment we feel it is important for our organization to provide top quality products, affordable prices and excellent service. It is common to have companies quoting very competitively, but to provided excellent service as well, that's another story.

At GIS we are a customer service oriented company. Return business is our top priority. Established in 1997, we have been providing our various services for many customers.

At GIS our staff provides a versatile set of skills to handle your needs. Some of Greystone's customers include:

Lanxess Canada
Kraft Foods
Mondeleze  Canada
Teva
Coca Cola
Suprem Ex
Johnson Controls

Greystone Industrial Services Inc.​

5 Carlow Court, Whitby ON

L1N 9T7

​905-668-0155