RJN Group, Inc. Categories Engineering and Land SurveyingConsulting Firms 950 Essington Rd. Joliet IL 60435 (815) 680-6493 Visit Website About Us Consulting Engineers Rep/Contact Info Yann Gallin × Yann Gallin Phone: (815) 680-6493 Send an Email Mike Young × Mike Young Send an Email Share × Print Email Facebook Twitter LinkedIn Tell a Friend ×
