H. P. Hydro-Pression Inc.
H.s.c.c. Hygiene Et Securite Inc.
Habitations Jacques Leblanc Ltee
Hall Laboratories Ltd.
HALL-CHEM Mfg. Inc.
Hall-Chem Mfg. Inc.
Hambro International (structures) Limited
Hamelin Enterprises, a division of Hamelin Group Inc.
Hamfab Holdings Inc.
Handship Services Inc.
Harvey, Trudeau & Associes Ltee
Hateya Groupe Conseil Inc.
Havay Industry Inc.
Helicopteres Montreal Inc.
Herbalex International Inc.
High Gear Publishing Inc.
Hippofoto Ltee.
Hitec Financial Service Inc.
Hockey-Tech Elite Vallee Du Richelieu Inc.
Holding Trotco Inc.