Gast Business Library
Michigan State University
Law College Building
648 N. Shaw Lane, Room 50
East Lansing, MI 48824-1300
(517) 355-3380
Directories are useful for determining if a company is public, private, a subsidiary of a larger company, or an international company. They provide basic company information such as address, phone number, type of business, number of employees, names of key executives, and sales figures.