M3 Investment Services Headquarters

M3 Investment Services Headquarters

990 North Main Street

Royal Oak, MI 48067

Phone: 248-543-3400

Fax: 248-543-3402

Toll-Free: 888-844-7872

Mon-Thu: 9:00 AM - 5:00 PM

Fri: 9:00 AM - 4:30 PM

Muskegon Office

Muskegon Office

318 Houston Avenue

Muskegon, MI 49441

Phone: 888-844-7842

Fax: 231-332-5905

Toll-Free: 888-844-7872

Mon-Thu: 9:00 AM - 5:00 PM

Fri: 9:00 AM - 4:30 PM

Sat-Sun: By Appointment

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