Global footprint Callidus Technologies operates with manufacturing and testing facilities in Beggs, Oklahoma, a corporate office in Tulsa, a dedicated global manufacturing facility in Shanghai, and multiple sales offices across Europe, Asia, and the Middle East, indicating strong global reach and international service capabilities for refinery and petrochemical projects.

Sustainability focus The company emphasizes innovative combustion technologies aimed at reducing emissions, improving energy efficiency, and minimizing environmental impact, creating opportunities to position Callidus as a partner for green retrofit projects and compliance-driven upgrades.

Retrofit and retrofit-ready Capabilities span new builds and retrofit opportunities for process heater burners, flares, flare gas recovery, thermal oxidizers, and SCR systems, enabling cross-sell across existing plant upgrades and maintenance cycles.

Strategic partnerships Licensing agreements and collaborations, such as the Greens Combustion partnership, open channels for extended manufacturing, servicing, and replacement parts, creating avenues for channel-driven sales and expanded installed base support.

Mid-market growth With a revenue range of 100–250 million and a workforce of 51–200, Callidus sits between smaller niche players and larger enterprise competitors, presenting an opportunity to target mid-market refineries and petrochemical plants seeking proven, scalable combustion solutions.