- American Dryer, Inc.
 - Livonia - Manufacturer of hand and hair dryers. - Brass Products Company
- Detroit - Equipment manufacturers and international distributors of valves and fittings in the plumbing, heating, automotive/truck, marine and food processing industries.
- Hardwood International
- Detroit - Offers woods, marine plywood, veneers, and tools.
- J.S. Alberici Construction Co.
- Livonia - Provides general contracting, construction management, speciality contracting, and single-source design-build services to the commercial and industrial markets.
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