Bertrams Chemical Plants Ltd. is a globally active company with its own subsidiaries in India and China and representatives in numerous other countries worldwide.
Key products are plants for alkali concentration for the chemical industry.

Innovatec manufactures electrolytical and conventional ozone producing plants for the clean and cleanest water areas, drinking water and other applications. They also manufacture the innovative OZONE-PEN for the disinfection of drinking water. apaco distributes these products in Austria, Italy, France, Spain and Portugal.

Roplan AB specializes in design and manufacture of rotating seals and mag. drive mixers. For almost 20 years they develop and produce world-class products and today they are the world’s market leader in seals for rotary lobe pumps for the pharmaceutical and bio-technical industry. apaco is the general representative for these products in Switzerland.

HRS is one of the world's leading heat transfer (spiral tube) specialists and specializes in the unique UNICUS heat exchanger. apaco is the general representative for these products in Switzerland.

Expansion automation and degassing plants for heating and cooling circles are distributed in Switzerland by the brand name apaco System Reflex. These products are manufactured by Reflex Winkelmann GmbH in Germany.