Welcome to the TWU Local 556 Supplemental Insurance Home Page.

We are glad you are visiting and hope you will come back often for important information on your supplemental insurance.


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TWU 556 continues to strive in providing a unique and distinct benefits package designed to attract and retain our most important asset – our valued members. We are proud to have you as part of our team and look forward to working with the supplemental insurance service center to provide you with world class benefit options. You will find that these are affordable insurance programs, designed to help you protect the things that you care about the most.