Refiners, petrochemical producers, and gas plants require efficient, reliable and environmentally-sound combustion and vent streams. Around the world, operators help satisfy their need for safe and compliant technology with on-time delivery from Honeywell UOP Callidus. Our continued commitment to advanced research and quality manufacturing helps result in safe, high performance, cost-effective solutions for any application. We can continue to support you beyond the technology with services ranging from turnkey installation to field support.