Civil works in
Basel

Lasso Technik AG

Since 1942 · 1–10 empl.·4.9(19)

Lasso Technik AG is a Swiss family-owned company based in Basel, founded in 1942. Its core activity includes the development, manufacture and distribution of valves under the Stop Silent® brand. The range is divided into two product lines: The Stop Silent® SL13 check valves protect against backflow of fecal-containing wastewater and serve as a barrier against radon and sewer gases. The Stop Silent® AS backflow valves prevent backflow in drinking water and industrial facilities. Lasso Technik supplies customers at home and abroad and also develops customized solutions.

Bistra Bau AG

Since 2007 · 1–10 empl.·4.9(24)

Bistra Bau AG plans and carries out plastering, painting, tiling and flooring work. The construction company also undertakes conversions, refurbishments and renovations, as well as masonry, maintenance and other building work.

Ernst Frey AG, Filiale Basel

Since 1983 · 21–50 empl.·5.0(5)

Ernst Frey AG, Filiale Basel is a construction company carrying out building construction, road and civil engineering, renovation and refurbishment work. Its services also include concrete and gravel products, construction management and client representation.

Grund- und Tiefbau AG Basel

Since 1973 · 21–50 empl.

Grund- und Tiefbau AG Basel specialises in ground engineering and carries out work involving groundwater and construction water, as well as trenchless construction. Its services include well construction, groundwater lowering, drilling, pile foundations, excavation support and sewer connections.

Bertschmann AG

Since 1977 · 11–20 empl.

Bertschmann AG carries out civil engineering and building construction work. Its activities include road and utility construction, civil engineering, railway and tunnel construction, and residential and industrial building.

Isen Tiefbau AG

Since 2010 · 21–50 empl.·3.9(15)

Isen Tiefbau AG carries out civil engineering, telecommunications and network infrastructure projects. Its services include utility construction, infrastructure projects and district heating, as well as network projects from initial planning through commissioning.

GF GETI-Bau Basel GmbH

Since 2016 · 1–10 empl.

GF GETI-Bau Basel GmbH operates a construction business covering building and civil engineering. Its activities include new builds, conversions and renovations, as well as infrastructure and utility network projects.

netz work.ing GmbH

Since 2018 · 1–10 empl.

netz work.ing GmbH is an engineering and consulting firm for construction and infrastructure projects. Its work includes client-side project support, project and construction management, and advice on BIM and digitalisation.

Righi AG, Strassenbau + Pflästereigeschäft

Since 2008 · 11–20 empl.·4.2(5)

Righi AG, Strassenbau + Pflästereigeschäft carries out road construction and paving work. Its services also include utility-line construction, sewer works and outdoor site works.

Morath + Crottaz AG Bauunternehmung

Since 1994 · 1–10 empl.·4.1(15)

Morath + Crottaz AG Bauunternehmung is a construction company providing building, civil engineering and renovation services. Its scope includes new-build and exposed-concrete work, utility-line and sewer construction, paving works, and conversions, refurbishments and related repair work.

Aquatec Kanalsanierungen AG

Since 2008 · 1–10 empl.·5.0(1)

Aquatec Kanalsanierungen AG is a company of the Marquis Group offering trenchless sewer and pipe rehabilitation, including work using the Inliner technique. Services include CCTV inspections (Kanal‑TV), condition assessments, rehabilitation planning and quality control with test reports.

Mia Bau GmbH

Since 2022 · 1–10 empl.·5.0(1)

Mia Bau GmbH is a construction company carrying out building and civil engineering work, renovations, conversions, masonry work and demolition.