Great Lakes Companies: Established in 1986 60 Employees 15 Sales Representatives 45 Support Staff 400 Dealer Clients 3 Locati ... ons Industry Relations: MADA AFIP AIGA CCIA GAPA Members Member Companies: Great Lakes Marketing, Inc. Great Lakes Insurance Agency, Inc. Great Lakes Funding, Inc. Great Lakes Chemical Services, Inc. Customer Service Center, Inc. Orion Service Corporation read more