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Kehrichtbeseitigung Laufental-Schwarzbubenland AG KELSAG 

Liesberg · Since 1976

Kehrichtbeseitigung Laufental-Schwarzbubenland AG KELSAG is a waste management company that organises the collection, acceptance and recovery of household waste and recyclable materials. KELSAG operates a service centre, provides collection and recycling services, and processes green and bio-waste via KELSAG BIOPOWER AG into compost and biogas, with the biogas used for electricity production.

KELSAG BIOPOWER AG 

Liesberg · Since 2010

KELSAG BIOPOWER AG processes green and organic waste into compost and biogas. The recovered biogas is used in an on-site combined heat and power (CHP) unit to generate electricity that is fed into the public grid. The company is operated as a joint venture between KELSAG and Biopower Nordwestschweiz AG.

"Heidi-Reisen" Jean-Claude Grun 

Liesberg · Since 2001

Heidi-Reisen is a travel company specializing in the organization and implementation of holiday and group trips. The core activities include planning and implementing day and multi-day trips, round trips, shopping trips, cultural events such as musical and theater visits, as well as hiking and cycling tours. In addition, the company also offers flight travel and bus rentals.

Walter Flück Transporte AG 

Liesberg · Since 2001

The core activity of Walter Flück Transporte AG primarily encompasses the transport and rental services sector, particularly: * Rental of construction machinery and equipment, such as wheel loaders, crawler excavators, forklifts, and vibratory plates * Provision of transport services with dump trucks, loader cranes, and other vehicles * Muck away services, including the rental of waste containers and big bags * Garage and crane support services The company positions itself as a regional specialist and partner for transport and construction machinery services in Northwestern Switzerland.

Steiner Fenster AG 

Liesberg · Since 1989

The core activity of Steiner Fenster AG is the development, production and installation of high-quality windows and front doors, particularly wood-metal windows, sliding elements, fixed glazing, entrance doors and fall protection systems, as well as offering burglary protection and window blinds.

Aluminium - Laufen AG Liesberg 

Liesberg · Since 1927

Aluminium - Laufen AG Liesberg manufactures extruded aluminium profiles and aluminium cast parts. Services include toolmaking, CNC machining, surface finishing, logistics and consulting, with a range of alloys (including low‑carbon options) and an on‑site recycling centre for process scrap.

Acino Pharma AG 

Liesberg · Since 2008

Acino Pharma AG develops, manufactures and markets pharmaceutical products and provides services such as in‑licensing, out‑licensing and contract manufacturing. The company specialises in oral solid dose formulations—including dispersible products and complex modified‑release technologies such as MUPS and minitablets—and supplies markets in Africa, Latin America, the Middle East, Türkiye, Ukraine and Eurasian countries.

Jaun Haustechnik GmbH 

Liesberg · Since 2011

Jaun Haustechnik GmbH is a trades company specializing in sanitary, heating and ventilation systems, providing planning, installation and maintenance services. Offerings include new-build and renovation plumbing, repairs, water softening systems, bathroom projects (including bidet-toilet systems and specialist taps), heating systems (gas, oil, solid-fuel boilers and heat pumps) and ongoing service and emergency support; the company is a certified installer under the Wärmepumpen-System-Modul.

René Müller AG 

Liesberg · Since 1975

René Müller AG is a quarrying company that extracts and processes limestone. It produces and supplies construction aggregates and stone products such as crushed stone, gravel, sand, masonry and paving stones, and provides services including landfill supervision, third‑party stone trading and transport, with sales to contractors and private customers.

KiTaLittlefoot GmbH 

Liesberg · Since 2009

KiTaLittlefoot GmbH is a confessional‑neutral full‑day childcare provider offering family‑supplementing pedagogical care for children from around 3 months until school entry. The centre operates bilingually in German and English, emphasises physical activity, balanced (organic) nutrition, music and language education, and provides indoor playrooms, a garden and organised activities.