Air Industrie Thermique España, S.L. (AITESA) is an engineering company, which operates in the field of heat recovery systems (HRS) normally for refineries, chemical and petrochemical industries. They can facilitate implementation process in all phases of the project from basic to turnkey engineering.

Mitsubishi Heavy Industries, Ltd. delivers innovative and integrated solutions across a wide range of industries from commercial aviation and transportation to power plants and gas turbines, and from machinery and infrastructure to integrated defense and space systems.

Established in February 2001, Voltex continues to achieve rapid, consistent growth by focusing on compliance, high performance and reliability, with an unflinching commitment to looking after electrical contractors, the guys that do the work. They are a 'manufacturer to end-user' company, controlling everything from design right through to using only direct distribution from Voltex's own warehouses to account-holding licensed electricians.