pkag Paul Keller Ingenieure AG is a successful engineering company based in Dübendorf, with offices throughout Switzerland and abroad.
Its core competence is in planning, designing, construction management and commissioning of plants in the fields of railway engineering, energy and telecommunications. Its customers include state and private railways, cantons, cities and leading companies in the energy, road construction and telecoms industries. pkag Paul Keller Ingenieure AG plays in a leading role in major projects such as Alptransit. The company employs around 45 people.To the website Paul Keller Ingenieure AG