H & H Manufacturing Ltd.

H.a.l. Computer Consultants Inc.

H.n.e.g. Canada Inc.

Haar - Drum Canada Inc.

Habitat Inspect Inc.

Hadrian Manufacturing Inc.

Hageman Family Foundation

Hager Cryogenics Quebec Inc.

Hägglunds Drives (canada) Inc.

Hallsys Development Corporation

Halmo Sales Inc.

Halton Business Institute Inc.

Halton Chemical Inc.

Halton Contacting & Property Maintenance Ltd.

Halton Organizing and Bookkeeping

Halton Parent Mentoring Association (hpma)

Halton Plastic Repair

Halton School Transit Ltd.

Hamilton Digital Designs Ltd.

Hamilton Executive Services Limited