Joint stock Company "DHB"( Daugavas hidroelektrostaciju būvniecība  /  Daugava hydroelectric power plants construction)  was founded in December 29, 1960, especially to construct hydroelectric and other heavy industrial constructions.

Throughout several decades, company was involved in the construction of such major projects as Pļaviņas HPP hydroelectric plant, Ķegums HPP-2, Riga HPP, as well as other industrial and municipal projects of social importance, that accumulated a wealth of experience in the construction of complicated projects, which require a high accuracy, special technical knowledge, complete professionalism and steadfast implementation of standards and normative documents. "DHB" service quality is approved by ISO 9001:2015 and ISO 14001:2015 certificates.

Today DHB carries out general construction works, concrete works and finishing works for state, municipal and private customers, as well as continues to cooperate with "Latvenergo" AS, performing construction, reconstruction and repair works on the energetic projects.

Due to unique experience, unblemished reputation and engineering and technical knowledge which were accumulated in the course of the decades of activity, "DHB" company became the synonym for quality and competence in the construction field.