[Welcome to Great Lakes Marketing Research Since 1964: Experienced, Accredited, Committed We have over 55 years of marketing research expertise to apply to your project. Founded in 1964, we are a women-owned team of 30 marketing professionals who have the expertise to develop and manage complex projects, from design to analysis. GLM has a GSA contract with the federal government and is ISO accredited to test and certify child-resistant packages. We have contracts with the U.S. Consumer Product Safety Commission (CPSC) and have been audited by the Canadian Standards Association.]