Tier One Aztec Facility Services is proud to announce that we have been awarded a Merit Safety Award by ExxonMobil for our work at the Joliet location. This is the second year that ExxonMobil has awarded Tier One Aztec a Merit Safety Award for safety excellence at the Joliet refinery. The qualifications for this award included meeting hazard elimination goals, consistently attending monthly safety meetings, and demonstrating a strong safety program.