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Frei AG – Fertigung

Gravel, concrete and recycled building materials for the Zurich Wine Country – including transports, landfilling as well as demolition and earthworks

Frei AG Logo

Kies- & Betonwerk Frei AG

Kleinandelfingen · MarthalenNew on Amplifa

1991Founding of the AG (gravel business of the Frei family
Kleinandelfingen, MarthalenLocations
Switzerland (Zurich Wine Country)Delivery area
Toggenburger AG, WinterthurParent company since 2012

Who we are

Kies- & Betonwerk Frei AG, based in Kleinandelfingen, supplies the Zurich Wine Country and adjacent areas with gravel, concrete and other building materials and components. The company specialises in demolition and earthworks and operates its own recycling site with a crushing plant for construction debris processing in Marthalen. The landfill operation in Marthalen also includes sludge disposal using a sludge press as well as the proper treatment of neophytes. At the Kleinandelfingen site, a modern concrete plant with silo feeding, a gravel processing plant including a screening plant and a gravel pick-up point for collection customers are available. The company's own truck fleet with truck mixers handles material deliveries and transports. The company, which grew out of the Frei family's gravel business, has been part of the Winterthur-based Toggenburger AG since 2012.

Site
Kleinandelfingen
Processes
Gravel extraction and gravel processing, Concrete production, Transports & landfilling, Recycling / construction debris processing, Demolition & earthworks, Sludge disposal / sludge pressing, Treatment of neophytes, Screening (screening plant)
Materials
Gravel, Sand (including play sand), Concrete, Construction debris, Misapor
Founded
1991 (AG-G
Industries
Construction industry, Civil engineering, Recycling/Waste disposal
  1. 01

    Gravel extraction

  2. 02

    Gravel processing and screening

  3. 03

    Concrete production

  4. 04

    Transports with truck fleet and truck mixers

  5. 05

    Recycling and construction debris processing

  6. 06

    Landfilling, sludge disposal, demolition and earthworks

Building Materials & Processes

Kies

Gravel

Main raw material for processing, delivery and concrete production in the Zurich Wine Country.

Sand

Sand (including play sand)

Is also supplied to private customers during regular play sand campaigns.

Beton

Concrete

Produced at the Kleinandelfingen site in computer-controlled concrete plants and delivered by truck mixer.

Bauschutt

Construction debris

Is crushed at the Marthalen recycling site and processed into recycled building materials.

Misapor

Misapor

Foamed glass aggregate as a building material component in the product range.

Locations

Standort Kleinandelfingen

Kleinandelfingen

CH

Gravel & concrete plant, dispatch, office

Materials
Gravel, sand, concrete
  • Computer-controlled concrete plant (2010)
  • Gravel processing plant
  • Screening plant
  • Silo feeding with feed chute and conveyor belt system (2023)
  • Sludge press (2020)
  • Gravel pick-up point
  • Truck mixers
  • Truck fleet
Standort Marthalen

Marthalen

CH

Recycling site: recycling, landfill operation, sludge disposal, neophyte treatment

Materials
Construction debris, gravel, sand
  • Crushing plant (2015)
  • Screening plant (2022)
  • Sludge press

Building Materials & Products

Concrete production at the concrete plant
Concrete production at the concrete plantConcrete production · Construction industry
Construction debris processing
Construction debris processingRecycling · Civil engineering
Recycled building materials
Recycled building materialsRecycling · Civil engineering
Play sand distribution
Play sand distributionSand sales · Building materials trade

Inside the production

Publicity report about the company
Publicity report about the company
Recycling site Marthalen
Recycling site Marthalen
Concrete plant Kleinandelfingen
Concrete plant Kleinandelfingen
Building material processing
Building material processing
Transports & landfilling
Transports & landfilling
Play sand campaign 2025
Play sand campaign 2025
Misapor – Now it's getting loose
Misapor – Now it's getting loose

Industries

Construction industryCivil engineeringRecycling/Waste disposal

Processes & technical limits

ProcessesToleranceMax. partWeightLot sizeMaterials
Gravel extraction and gravel processingCasting––––Gravel, Sand
Concrete productionCasting––––Concrete
Transports & landfillingOther–––––
Recycling / construction debris processingOther––––Construction debris
Demolition & earthworksOther–––––
Sludge disposal / sludge pressingOther––––Sludge, Wash water
Treatment of neophytesOther–––––
Screening (screening plant)Other––––Gravel, Sand, Construction debris
Crushing (crushing plant)Other––––Construction debris

10 Anlagen & Maschinen

MachineManufacturer / modelQuantityWorking areaYear builtSite
Concrete plant (computer-controlled)–––1992Kleinandelfingen
Concrete plant (new)–––2010Kleinandelfingen
Gravel processing plant–––1966Kleinandelfingen
Rod mill–––1966Kleinandelfingen
Sludge press–––2020Kleinandelfingen
Screening plant–––2022Marthalen
Crushing plant (construction debris processing)–––2015Marthalen
Silo feeding with feed chute and conveyor belt system–––2023Kleinandelfingen
Truck mixer––––Kleinandelfingen
Truck fleet–––––

Additional services

Gravel and concrete deliveryTransports & landfillingRecycling (construction debris processing with crushing plant)Demolition and earthworksSludge disposal with sludge pressTreatment of neophytesGravel pick-up point for collection customersPlay sand campaigns

History

  1. 1940er

    Hans Frei senior starts the gravel business; first gravel pit in the Wehri in Andelfingen.

  2. 1949–1954

    Hans Frei junior works in the family business; in addition, a farm and the Kreuzstrasse restaurant in Humlikon.

  3. um 1963

    Hans and Klara Frei-Hold are killed in a plane crash; Hans Frei junior and Elsa Frei-Saller take over the business with 9 employees.

  4. 1966

    New gravel processing plant at today's site.

  5. 1970

    First concrete plant and rod mill built.

  6. 1979

    Commissioning of the storage hall with workshop.

  7. 1989

    Construction and operation of a sludge press.

  8. 1991

    Founding of Kies & Betonwerk Frei AG (formerly Hans Frei, Kreuzstrasse, Humlikon).

  9. 1992

    Inauguration of the computer-controlled concrete plant.

  10. 2005

    Groundbreaking for new office and workshop building in Kleinandelfingen.

  11. 2006

    Katharina & Gerold Mändli-Frei take over the company (approx. 25 employees); Hans Frei dies shortly after the handover.

  12. 2007

    Material deliveries and transports for the mini-motorway Kleinandelfingen–Schaffhausen (over 5 years).

  13. 2010

    Inauguration of the new concrete plant.

  14. 2012

    Sale to the Winterthur family company Toggenburger AG.

  15. 2013

    Urs Berger becomes plant manager; demolition of the disused gravel plant; conversion of the old concrete plant into a gravel pick-up point.

  16. 2014/2015

    Construction of the recycling site in Marthalen with new crushing plant for construction debris processing.

  17. 2016

    Inauguration of the recycling site in Marthalen.

  18. 2020

    New construction of sludge press (overhauled press from the dismantled gravel plant, wash water treatment).

  19. 2022

    Delivery of the new screening plant.

  20. 2023

    Construction of the new silo feeding system of the concrete plant (feed chute and conveyor belt system).

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