Thursday, January 29, 2026

Contact the Benefit Office

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Benefit Office Information

BeneSys is the Third Party Administrator for your benefit funds.
BeneSys is typically available to receive your phone call from 7:30 a.m. CST until 4:00 p.m. CST at its St. Louis, MO office.

St. Louis Office Address
3449 Hollenberg Drive, Suite 150
Bridgeton, MO 63044-2496
(314) 739-2973
Toll Free: 1-800-511-0101
Fax: (314) 739-8059

To reach various departments please call our main phone number (see above) and simply ask for the appropriate department. For example:

  • Welfare
  • Annuity
  • Pension
  • Vacation
  • Customer Service
  • Administrative services

And if you do not find what you are looking for above, please call and describe the service you are seeking information about and we will help you find it.