TRSC - Three Rivers Safety Center
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The Three Rivers Manufacturers’ Association (TRMA) operates the Three Rivers Safety Center (TRSC) in Joliet, Illinois. The Safety Center was established in 1993 to provide quality safety and health training to all contractors and industry personnel. An Advisory Committee, comprised of safety professionals, maintenance supervisors, contractor coordinators and training professionals, monitors the quality of training, ensures continuous improvement and provides input on the daily operations of TRSC.

7,000 to 11,000 contractors annually attend TRSC courses. Contractor recordable injury rates have been reduced over 83% since 1993 because of the cooperative efforts between contractors, TRMA member companies and the Safety Center staff.

Benefits of TRSC Programs:

  • High quality, cost effective, documented safety courses
  • Consistent training by experienced instructors
  • Elimination of duplication of training
  • Increased level of compliance with OSHA standards
  • Improved safety performance

Transportation Worker Identification Credential (TWIC)

TWIC office:
822 W. Jefferson Street
Joliet, IL 60435


Visit the TWIC Website

The TWIC office is no longer located at the Safety Center


Safety Center - 1615 W. Jefferson St., Joliet IL 60435 Phone 815-744-3884 - TRMA & TREP 116 N. Chicago St. Suite 101, Joliet, IL 60432 Phone: 815-744-6070