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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.