Hamilton Harriers Running/walking Club
Hamilton Industrial Environmental Association Inc.
Hamilton Land GP Inc.
Hamilton Map Service Limited
Hamilton Metal Works Inc.
Hamilton Ornamental Iron Works Ltd.
Hamilton Plastic Fabricators 1997 Ltd.
Hamilton Shipping Company Limited
Hamilton Specialty Bar 2007 Inc.
Hamilton Stamping Ltd.
Hamilton Steel GP Inc.
Hamilton Toyota Inc.
Hamilton Waterfront Trust
Hamilton's Welcome Place Non-Profit Inc.
Hamito-Semitic Import/export International Trading Ltd.
Hammer Town Productions Inc.
Hands On Pro Metal Recovery Inc.
Hands On Professional Assemblers Inc.
Hanna Mfg. Co. Canada Ltd.
Hardwood Plus Ltd.