Opto-Réseau Inc.

Oral Science Inc.

Orchiflora Inc.

Ordinacom Inc.

Organisation de La Production de Logiciels (opl) Canada Inc.

Organization Manufacturing New Inventions-Omni Inc.

Oribec Import & Export Inc.

Oripearl International Inc.

Orisim Inc.

Oriso Solutions Inc.

Ormaya International Inc.

Ormedia International Inc.

Orosol Canada Inc.

Ortoech Inc.

Oshiba Dies Inc.

Otto Acoustic Engineering Inc.

Outil et Matrice Harrington Inc.

Outofthemidst Publications Inc.

Ovibos Limited

Oxfam Development Inc.