0 written abbreviation for proprietary , used in the names of private companies in Australia, New Zealand, and South Africa whose owners are responsible for only a limited amount of the companies' debts:
Mackenzie Investments Pty
1 written abbreviation for Proprietary: used after the names of limited companies (= companies whose owners only have to pay part of its debts if it fails) in South Africa, Australia, and New Zealand:
Auto Cable Industries Pty
