在哪里可以使用ASP.NET MVC和MembershipProvider持久保存用户所属的公司？

When a user logs on to my ASP.NET MVC application I need to persist what company that user belongs to. The company they belong to will determine what database ~all~ their queries come from so it is important for me to query for their company as soon as they log in and persist it so I don't have to perform this lookup again.When a user logs on to my ASP.NET MVC applicati