Tuesday, January 31, 2023

Contact the Benefit Office

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Benefit Office Information

BeneSys Inc. is the Third Party Administrator for our benefit funds.
Regularly scheduled business hours are Monday through Friday from 7:30 AM C.S.T. until 4:30 PM C.S.T at the Maryland Heights location, with representatives available for your call.

Maryland Heights Office Address
13801 Riverport Dr
Suite 501
Maryland Heights, MO 63043
(877) 597-8704 or (314) 656-1091
E-mail: staff@iwstldc.org

Please click here for directions to the Benefit Office.

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

  • Customer service
  • Health and Welfare
  • Pension/Annuity

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.