1. A system for managing assets in a co-location facilities environment, the system comprising: a central relational database containing information associated with assets of a service provider, wherein the assets are associated with one or more geographically distinct co-location facilities, wherein a permissions model is configured to enable at least one user from a customer to be designated as having authority to grant permissions to access the assets, the permissions granted to other users of the same customer, wherein an asset hierarchical model is configured to enable grouping of the assets in one or more asset groups, and a user group model is configured to enable grouping of the users of the customer in one or more user groups and according to the geographically distinct co-location facilities, the user groups and the asset groups managed independently of one another, wherein a first user is enabled to login using a first login identification (ID) to access a first asset in a first asset group according to a first logical customer organization, and wherein the first user is enabled to login using a same first login ID to access a second asset in the first asset group according to the first logical customer organization.