- Michael's Cafe
- Michael's Catering
- Michael's Cleaners
- Michael's Deli
- Michael's Fine Jewelry
- Michael's Hair Design
- Michael's Jewelry
- Michael's Photography
- Michael's Pizza
- Michael's Place
- Michael's Stores
- Michel R E Company
- Michel Tires Plus
- Michelin
- Michelle's Beauty Salon
- Michigan Education Association
- Michigan State Of
- Michigan Works
- Michigan Works Service Center
- Mickey Shorr
- Mic-Keys
- Mickey's Barber Shop
- Micro Center
- Micro Motion
- Micro Solutions
- Microbac Laboratories
- Micro-Tech
- Microtel
- Microtel Inn
- Microtel Inn & Suites
- Microtel Inns & Suites
- Mid America Clinical Laboratories
- Mid America Mortgage
- Mid America Wireless
- Midamerica Bank
- Midamerica Bank FSB
- Midas
- Mid-Continent Public Library
- Middlesex Hospital