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Sumag Immobilien GmbH 

Hochdorf · Since 2015

Sumag Immobilien GmbH supplies and manufactures agricultural and related machinery, including crane systems, dosing and ventilation equipment, and spreading technology. The company sells trade products and provides sales support, maintenance and repair services for agricultural, forestry and municipal machines, as well as spare parts and hydraulic-hose services.

Tophinke Elektro Kontroll AG 

Hochdorf · Since 2008

Tophinke Elektro Kontroll AG is an independent specialist body providing electrical inspection and testing services, including statutory installation checks, accredited inspections for specific sectors and thermographic examinations. Services also include consulting, three-phase power and energy measurements, network analyses according to EN 50160, and training courses.

4B AG 

Hochdorf · Since 1962

4B AG designs and manufactures windows, doors and façade systems and provides services such as spare parts, maintenance and customer consulting. The product range includes wood–metal window systems, sliding and entrance doors, and post-and-beam façade systems, and the company offers planning resources (CAD/BIM) for architects and planners.

Bucher Holzbau GmbH 

Hochdorf · Since 2022

The core activity of Bucher Holzbau is timber construction, in particular the planning and execution of timber construction projects of all kinds, including silo covers, interior finishing, terraces, roof renovations and other timber construction work.

Dani Reinigung Prenaj Valbona 

Hochdorf · Since 2022

The core activity of Dani Reinigung is the professional cleaning of private households and offices, both indoors and outdoors, with a comprehensive range of services tailored to individual customer needs.

Eckpunkt KLG 

Hochdorf · Since 2022

Eckpunkt KLG is an agency for short‑video production focused on TikTok and Instagram Reels. Services include scriptwriting, video production, post‑production, community management, content publishing and performance analysis for social media.

Kiener Immobilien AG 

Hochdorf · Since 2015

The core activity of Kiener Immobilien AG is the management, marketing, sale and consulting of real estate, as well as the rental of residential and commercial properties.

Müller Technik 

Hochdorf · Since 2020

The core business of Müller Technik encompasses the areas of agricultural technology, biogas plants, construction machinery, recycling and disposal, hydraulic hose manufacturing, metal construction and locksmith services.

Personalvorsorgestiftung 4B 

Hochdorf · Since 1965

Profiform AG 

Hochdorf · Since 1985

The core activity of Profiform AG is the manufacture and development of precision mechanical devices, special machines, individual parts and series parts, particularly in the field of medical products and small machines.