Civil Engineering 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 is a construction company that provides a wide range of building services and end-to-end project support. Services include renovation, conversion and new-build work, masonry, plastering, painting, floor and tile installation, concrete and demolition works, waterproofing, façade finishing, acoustic and fire-protection measures, and maintenance.

Ernst Frey AG, Filiale Basel

Since 1983 · 21–50 empl.·5.0(5)

Ernst Frey AG, Filiale Basel is a construction company providing services to commercial and private clients. Its services include road and civil engineering, building construction, renovation and remediation, supply of ready-mix concrete and recycled construction materials, and client representation/construction management through the 'ef kompakt' offering.

Grund- und Tiefbau AG Basel

Since 1973 · 21–50 empl.

Grund- und Tiefbau AG Basel is a construction company providing earthworks and specialist deep foundation services as well as trenchless pipe-installation and water engineering works. Services include horizontal drilling, pipe jacking, microtunnelling, well construction, dewatering, piles, sheet piling and shotcrete.

Bertschmann AG

Since 1977 · 11–20 empl.

The core activity of Bertschmann AG is construction, particularly civil engineering and building construction, with a focus on road construction, utility line construction, engineering civil engineering, track construction, tunnel construction, residential construction, industrial construction and suction dredging.

GF GETI-Bau Basel GmbH

Since 2016 · 1–10 empl.

GF Geti Bau is a construction company specializing in the planning, execution, and renovation of buildings and infrastructure projects. The core activities include: building and construction of buildings and structures; civil engineering and infrastructure projects such as road construction and utility planning; renovation and refurbishment of existing buildings and spaces; and conversion of commercial areas and residential districts into modern environments. The company values quality, innovation, and customer orientation, offering tailored solutions to meet individual needs.

Isen Tiefbau AG

Since 2010 · 21–50 empl.·3.9(15)

Isen Tiefbau AG is a civil engineering company providing project planning, construction management and a range of earthworks and utility installation services. Its services include pipe laying, utility and sewer construction, cable pulling and fiber‑optic installations and splicing, core drilling, paving works, and supplying and installing shafts and distribution cabinets.

netz work.ing GmbH

Since 2018 · 1–10 empl.

netz work.ing GmbH is an engineering and consulting company. It supports project owners and works on projects related to digitalisation, BIM and infrastructure.

Righi AG, Strassenbau + Pflästereigeschäft

Since 2008 · 11–20 empl.·4.2(5)

The core activity of Righi AG is the provision of services in the field of road and paving construction, specifically in the following five areas: 1. Utility construction, 2. Road construction work, 3. Sewer construction work, 4. Paving work, and 5. Environmental work. The company offers these services to public and private customers in the Basel region.

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)

The core activity of Mia Bau GmbH is the provision of services in the field of main construction industry, particularly: High-rise construction works (construction of buildings), Civil engineering works (ground and foundation works), Renovation and conversion works, Demolition works, Customer masonry works. The company thus offers comprehensive construction services, from planning to execution, and focuses on realizing customer wishes in the field of building and renovating buildings.