OS X :: Business Address Book - Hierarchical Database

Isn't it time there was a simple address book bundled into the operating system that would allow you to save business addresses, telephone numbers and contacts in a hierarchical fashion? I know we've become accustomed to saving contacts' info as individuals, as if they were our 'friends', but frankly that is nothing short of amateurish. I need a simple system that has the business name, address and main switchboard number - and then, on a different level, information on each contact, their direct-dial and mobile numbers. It may seem blindingly obvious, but if that office moves its headquarters, you would then have only one address and telephone number to change. I know this is amounts to a hierarchical database, and yes, I know I could set one up myself using something like NeoOffice - but why on earth isn't there something out there already that the business community can use?