Research Guides: Company Research: Michigan Companies

Directories on the Web

State of Michigan Corporation Division Business Entity Search
For businesses registered with the state, provides brief info such as address, contact name, and assumed names.
ThomasNet
The Supplier Discovery search finds companies offering business-to-business products and services.To search only Michigan companies, enter your product/brand/company then in step 3 choose Michigan.

Detroit Free Press
Current news is free at the site. You can search the archives and retrieve abstracts for free. Full articles older than one month are not free at the site.

Crain’s Detroit Business Book of Lists
Call Number:
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HF 5068 .D4 C73x
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Includes lists and rankings of southeast Michigan businesses in numerous categories, including largest employers, minority owned businesses, technology companies, etc. Separate sections provide lists for the auto, real estate, finance, and health care industries.
Dun’s Regional Business Directory – Detroit
Call Number: Reference HG 4058 .D6 .D86
This directory includes companies from the following southeast Michigan counties: Genesee, Lapeer, Livingston, Macomb, Oakland, Sanilac, Shiawassee, St Clair, Washtenaw, and Wayne. The directory includes multiple arrangements of companies: by city and zip code, by SIC, and by company name. It also includes rankings of businesses by sales and by number of employees. Latest copy is 2008.
Michigan Manufacturers Directory
Call Number: REF T12 .D5x
Michigan manufacturers can be looked up by product, city, SIC, company name, or parent company. In addition to standard directory information, entries can include plant manager, engineers, square footage of site, or ISO ratings. Latest copy is 2008.

The national sources listed on the Public or Private Company menus may provide more info for a large or medium size Michigan company.

The sources on this page may be useful when a Michigan company is too small to be included in the Public and Private company sources.

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