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List of self-insurance groups in Massachusetts

Find out the self-insurance groups (SIGs) for workers' compensation in Massachusetts.

Business in related industries in Massachusetts may join together to form a self-insurance group (SIG) to satisfy the insurance requirement. Regulated by the Division of Insurance (DOI), SIGs may include:

  • Public employers
  • Non-profit groups, and
  • Private employers in the same industry or trade association

This information is based on quarterly data and is provided for informational purposes only. The DIA makes no warranties, guarantees or representations that the materials contained within this report are free from error, copyright claims, or other restrictions or limitations on free use or display. The DIA and the Commonwealth disclaims any liability for any loss or damage resulting from reliance on or misuse any such information.

List of Self-Insurance Groups as of 6/30/2026

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