How do I get access to private companies information?
You can find some information on private companies through Hoover's Academic. On the library homepage, go to Click Here on Find Articles. On the Find Articles & More page, scroll through the alphabetical list to find Hoover's Academic.
In Hoover's, click on the Company tab and search for In-N-Out Burgers. you will be able to access some information on this company (though you will be limited because it is a privately held company).
You can also find articles on this company (and others) in the Business Source Complete database (also found on the Find Articles & More page). You can search by company name as well as other keywords.