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DPC Ltd. (Diot Process Control) has been based in Swizerland close to Neuchâtel since 1992.

We are active in three main areas which are analyzers of petrochemical products, building automation and industrial automation.

Through its products, DPCS S.A. has an active worldwide presence, working with many of leading companies in the oil industry. The development and production of the testing equipments for laboratory and online process are among the most advanced on the market and this allows us to have more significant customers each day.

The presence of our company at the regional level is of primary importance, that is why we offer a service of quality in the field of energy management. Our specialists treat the energy files, CECB®, MINERGIE® and offer on advice on the feasible energy saving.

In the engineering development, DPC S.A. uses the latest technologies in industry and building. This allows us to stay one step ahead of our competitors.

We use software compatible with IEC standard.




DPC S.A. summarizes its philosophy in few words: innovation, reactivity and customers satisfaction .

The aims of DPC S.A. are clearly set for the years to come: imagination, follow-up of customers, expansion of activities in Switzerland and the rest of the world, in our fields of activities.




DPC S.A. organization adopts a "single layer" structure. It's true that this type of organization can only function with relatively modest structures. But it provides exceptional responsiveness and a huge momentum.

Organisation de DPC SA




Follow the link below to see some pictures of old facilities we have renovated. Other pictures are examples of some ofour current accomplishments .

Album photo de DPC SA