7130 South Lewis, Suite 335
Tulsa, OK 74136, USA
UOP Callidus is a leading manufacturer of combustion and environmental technology for the petrochemical, refining and oil and gas industries. With plants in the USA and China, it manufactures process burners, flares, flare gas recovery systems, incinerators and selective catalytic reduction systems (SCRS).
Callidus is part of UOP, a Honeywell Group company.