Venues & Facilities Plan your next event at the DECC Find a range of venues and facilities for any event you may need to plan. Behind the DECC doors lies 250,000 square feet of meeting and exhibit spaces, beautiful ballrooms and countless meeting rooms. We have large spaces in our AMSOIL Arena and DECC Arena and smaller spaces in our Pioneer Hall and Paulucci Hall. Check out their floor plans and find the space that suits your event. To complement our vast space, our organized staff is here to make every detail go on without a hitch. Working with you, our team can help you find the right room and figure out what stands between you and the perfect event. The DECC also offers in-house catering and an exposition services department. Connect with us today to start planning.