Irwin is one of the world's leading manufacturers of audience seating for learning spaces, public auditoriums, gymnasiums, performing arts centers, stadiums, arenas, cinema, and places of worship. Proudly manufactured in the USA since 1907!  Our facilities in Grand Rapids, MI and Altamont, IL employ 500 skilled employees.  Our experience, on-time installation and service are second-to-none.  You’ll find the seating solution for your venue on Irwin’s OMNIA Partners cooperative contract – now featuring our new Gathr folding chair!