Welcome to Top Steel Corporation

Top Steel Corporation (previously Stanley Appleton Manufacturing) is a privately owned Canadian corporation located in Val Caron, (Sudbury) Ontario. We are a multi-disciplined manufacturing and design firm that specializes in protective structures and custom fabrication. Our versatility allows us to service all industries with a commitment to quality unparalleled by our competition.

We are ISO 9001:2008 registered and adhere to a comprehensive Health & Safety program. All welders are Canadian Welding Bureau (CWB) Certified and complete weekly evaluations that comply with CWB. We provide licensed engineered drawings and work to international specifications, especially in the case of our TopRops division. All non-destructive testing (NDT) is carried out on site.

Our esteemed engineering department is committed to our clients Worldwide. The company currently maintains 90% of its business within Canada, paying close attention to Ontario’s mining industry. Recent developments have launched our TopRops division internationally, supplying certified protective structures and storage solutions to USA, South America and Australia.