GTT OnSET Head Office

5629 McAdam Road
Mississauga, ON
L4Z 1N9

General Line: 905-847-9300
Fax: 905-624-3046

Parts & Tooling Distribution Office
Calgary Division

1039 26th Street NE
Calgary, Alberta
T2A 6K8

General Line: 587-885-1847

NDT Services/Engineering

Ryan Croucher, Inspector/Consultant
Phone: 905-847-9300 x 24


Laura Tirabassi, Service Manager
Phone: 905-847-9300 x 21


Craig Scott, General Manager/Technical Sales
905-847-9300 x 33

Office Support/Laboratory Services

Teresa Pannozzo
Administrative Assistant & Laboratory Services
Phone:  (905) 847-9300 x 26

Theresa Moniz For Parts and Laboratory Services
Sales Administration & Laboratory Services
Phone:  (905) 847-9300 x 27

GTT Onset are experts in non-destructive testing, our full-service company provides on-site and in-shop service. As well as providing customers with the technical and professional services for Engineering, and Laboratory Analysis support to a broad range of industries.

The addition of Commonwealth Manufacturing GTT OnSET has expanded our products and services to include the following:

  • Tube Tool Rentals and Repairs.
  • The full line of Tube Tools from TC Wilson and Elliott Tool Technologies.
  • Specialty Tube Tools for the Nuclear Industry are now offered through the Commonwealth Manufacturing division of GTT OnSET for select customers.

For more information on our products or services please contact us today.