If you’re looking for a job, or have ever looked for a job, you’ve heard how important it is to network. It’s estimated that nearly two thirds of all jobs are filled through networking and many jobs are filled through a network connection or referral before the vacancy is even advertised.

Obviously, the people in your network can make a difference. Here are the 10 types of people you need in your network and why each group is important to help you find a job. — Pat Quagrello, director of recruiting for Signature Consultants