You can contact any employment network in your area to see if it is the appropriate one for you. There must be an agreement between you and the employment network to work together. You are free to talk with as many employment networks as you choose without having to assign your Ticket. Also, you can stop working with one employment network and begin working with another if you choose.
A "real estate limited partnership" is a limited partnership formed to invest and hold real estate. The partnership decisions are made the by the general partners and the limited partners are passive investors. Properly constituted limited partnerships have flow through taxation, with only one level of tax at the partner level.