carriers/products: carriers list Northwestern Mutual Aetna Ameritas Assurant (Formerly Fortis) Blue Cross Blue Shield Cigna Colonial Life Companion Life Delta Dental Guardian Life Insurance Hartford Insurance Group HealthPartners Humana Lincoln Finanacial Medica Met Life Mutual of Omaha Preferred One Community Health Plan Principal Financial Group Reliance Standard Standard Insurance Company United Healthcare United Wisconsin Group Unum Vision Service Plan Affiliated with The Columns Resource Group of the Northwestern Mutual Financial Network. ©2008 Strategic Employee Benefit Services is a nationwide marketing program providing employee benefit services exclusively through Northwestern Mutual Financial Network Representatives. Northwestern Mutual Financial Network identifies the sales and distribution arm of The Northwestern Mutual Life Insurance Company, Milwaukee, Wisconsin.