Register Today @ ISRI2024.org. The largest recycled materials industry event in the world is heading back to fabulous Las Vegas and registration is now open exclusively to ISRI members for a limited time. ISRI2024 returns to the Mandalay Bay Resort & Casino bringing together over 6,000 industry professionals. For four days the recycling community will come together to sharpen their skills, gain knowledge, build relationships, grow their businesses, and celebrate each other!