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HM-Werke – Fertigung

Family-owned company manufacturing windows, doors, carports, patio covers, garden sheds, calcium silicate brick and logistics services.

HM-Werke Logo

Heinrich Meyer-Werke Breloh GmbH & Co. KG

Munster (Breloh) · BispingenNew on Amplifa

1836Founded
Munster (Breloh) and BispingenLocations
6th/7th generationFamily management
approx. 7,000 haOwn forestry operations

Solutions for construction since 1836

Heinrich Meyer-Werke Breloh GmbH & Co. KG is a family business founded in 1836 in the Lüneburg Heath, today run by Volker and Moritz Meyer in the 6th and 7th generation. The portfolio includes custom-made windows made of PVC, PVC-aluminium, wood and wood-aluminium, entrance doors, lift-and-slide doors, sun shading systems, the series-production wall element HM Modul®, carports including PV carports, patio covers (Sunports), garden sheds (Gardenports) as well as calcium silicate brick. Everything is manufactured exclusively in Germany: windows and doors at the modern plant in Bispingen, wood products at the plant in Munster/Breloh. The entire value chain – from the company's own forestry and gravel and sand extraction to the in-house haulage company with just-in-time delivery and installation – is provided from a single source. Customers include property developers, construction companies, prefabricated house manufacturers, dealers, real estate companies and end customers. Innovations such as the HM Modul® have received the TOP 100 seal several times.

Site
Munster
Processes
PVC window manufacturing, PVC-aluminium window manufacturing, Wood window manufacturing, Wood-aluminium window manufacturing, Entrance door manufacturing (custom-made), Lift-and-slide door manufacturing, Sun shading (roller shutters, external venetian blinds, textile screens), HM Modul - series-produced component / wall element (manufacturing)
Materials
Plastic (PVC), Wood, Aluminium, Steel, Glass (laminated safety glass, multiwall polycarbonate sheets), Calcium silicate brick, Gravel, Sand
Certificates
RC2 certification (burglary resistance), Whistleblowing system (HinSchG)
Founded
1836
Industries
Property developers, Construction companies, Prefabricated house manufacturers, Dealers, Real estate companies, End customers
  1. 01

    Own forestry operations and raw material extraction (gravel, sand)

  2. 02

    Wood processing and sawmill

  3. 03

    Window, door and wood product manufacturing

  4. 04

    Calcium silicate brick production (HANSASTEINE group)

  5. 05

    Haulage & construction site logistics (just-in-time)

  6. 06

    Installation & customer service

Materials & Processes

KU

Plastic (PVC)

For windows, entrance doors and lift-and-slide doors; modern welding technology produces almost invisible seams.

Holz

Wood / Glulam

From our own sustainable forestry; dimensionally stable thanks to laminating technology for windows, carports and Sunports.

Alu

Aluminium

As aluminium cladding on windows, for external venetian blinds, powder-coated elements and sun shading.

Stahl

Steel

For wood-steel versions of the patio covers, powder-coated in RAL colours.

Glas

Glass (laminated safety glass, multiwall polycarbonate sheets)

Laminated safety glass and multiwall polycarbonate sheets for glazing with high weather and UV resistance.

KS

Calcium silicate brick

Produced in the HANSASTEINE group for solid construction.

Kies/Sand

Gravel & Sand

Own gravel pits as a raw material source in northern Germany.

Locations

Standort Munster (Breloh)

Munster (Breloh)

DE

Administration, woodworks, raw materials, haulage & logistics

Materials
Wood, glulam, steel, aluminium, glass
  • Modern wood production machinery
  • Vehicle fleet with truck-mounted forklifts
  • Own workshop and fuel station
  • Storage capacity
Standort Bispingen

Bispingen

DE

Window & door plant, haulage & logistics, showroom/customer service centre

Lot size
Single-unit production up to large series for property developers
Materials
PVC, aluminium, wood, glass
  • State-of-the-art production line for windows & doors
  • Bonding technology for glass bonding
  • Welding technology for PVC profiles
  • New production hall (expansion)

Products & Components

Windows (PVC, PVC-aluminium, wood, wood-aluminium)
Windows (PVC, PVC-aluminium, wood, wood-aluminium)Window manufacturing · Construction
Carports & PV Carports
Carports & PV CarportsWoodworking · Construction
Photovoltaic carports for large parking areas
Photovoltaic carports for large parking areasWood/steel · Commercial construction
Windows & doors for property developers and prefabricated house manufacturers
Windows & doors for property developers and prefabricated house manufacturersWindow manufacturing · Residential construction

Inside the production

All-inclusive solutions
All-inclusive solutions
Sustainable forestry
Sustainable forestry
Award-winning innovation (TOP 100)
Award-winning innovation (TOP 100)
TOP 100 innovator 2023
TOP 100 innovator 2023
Vision – family business in its 7th generation
Vision – family business in its 7th generation
Quality – Made in Germany
Quality – Made in Germany

Industries

Property developersConstruction companiesPrefabricated house manufacturersDealersReal estate companiesEnd customersManufacturing industry (logistics)

Processes & technical limits

ProcessesToleranceMax. partWeightLot sizeMaterials
PVC window manufacturingPlastics––––Plastic (PVC)
PVC-aluminium window manufacturingPlastics––––Plastic (PVC), Aluminium
Wood window manufacturingTimber construction/processing––––Wood
Wood-aluminium window manufacturingTimber construction/processing––––Wood, Aluminium
Entrance door manufacturing (custom-made)Joining––––Plastic (PVC), Aluminium, Wood
Lift-and-slide door manufacturingJoining––––Plastic (PVC), Aluminium, Wood
Sun shading (roller shutters, external venetian blinds, textile screens)Assembly––––Aluminium, Textile
HM Modul - series-produced component / wall element (manufacturing)Assembly––––Plastic (PVC), Aluminium, Wood
Carport manufacturing (wood, custom-made)Timber construction/processing––––Wood
PV carport manufacturing (with photovoltaics)Timber construction/processing––––Wood
Sunport - patio cover (wood or wood-steel)Timber construction/processing––––Wood, Steel, Aluminium, Glass
Gardenport - garden shed (custom-made)Timber construction/processing––––Wood, Glass
Calcium silicate brick productionCasting––––Calcium silicate brick
Sawmill / sawn timber productionTimber construction/processing––––Wood
Adhesive glazing (bonding technology for panes)Joining––––Glass
Welding technology for PVC windowsPlastics––––Plastic (PVC)
Laminating technology for wood (glulam, dimensionally stable)Joining––––Wood
Wood painting / glazing (wood protection stains, coatings)Surface treatment––––Wood
Powder coating (steel, aluminium)Surface treatment––––Steel, Aluminium
Haulage & logistics (construction site logistics, just-in-time)Logistics––––Wood, Calcium silicate brick, Brick, Aluminium, Steel
Gravel and sand extraction (raw materials)Raw material extraction––––Gravel, Sand
Installation service (windows, doors, sun shading, carports etc.)Assembly–––––
Technical consulting / configuration serviceEngineering–––––

Additional services

Technical consultingConfiguration/planningBuilding application serviceSite surveyingDelivery via in-house haulage company (just-in-time)InstallationCustomer service/after-salesConstruction site logisticsCash managementTruck-mounted forkliftsRoute planningDisposal & take-back of old componentsTake-back of packagingStorage

Reference customers

Strenger (property developer, Partner of the Year 2022/2023, Strenger Partner Award)Xella (YTONG system supplier at bau.mit 2025)

Quality

All production takes place exclusively in Germany in highly modern plants. Products are RC2-certified, achieve the lowest U-values for KfW-40+ houses and are manufactured on a state-of-the-art machine park; compliance and supply chain standards are ensured through a structured whistleblowing system.

EvidenceMunster (Breloh)Bispingen
RC2 certification (burglary resistance)
Whistleblowing system (HinSchG)

Company History

  1. 1836

    Company founded as a carpentry business in Bispingen by Hans Christoph Meyer

  2. 1859

    Heinrich Christoph Meyer takes over the carpentry business

  3. 1901

    Heinrich Christoph Wilhelm Meyer takes over the business

  4. 1911

    Acquisition of a sawmill in Bispingen

  5. 1922

    4th generation (Alfred Meyer) takes over the business

  6. 1929

    Fire at the sawmill, reconstruction

  7. 1930

    Foundation of the transport operation (today HM Spedition & Logistik)

  8. 1935

    Closure of the carpentry business; establishment of the diatomite production facility; start of forestry operations

  9. 1942

    Heinrich Wilhelm Meyer begins his apprenticeship; emergency operation during World War II

  10. 1944/1945

    Establishment of a joinery for windows and doors in Bispingen

  11. 1947/1948

    Second entry into diatomite production

  12. 1950

    Expansion of transported goods to include diatomite, calcium silicate brick as well as windows and doors

  13. 1957

    Transport operation relocates to Breloh

  14. 2020

    Heinrich Moritz Meyer (7th generation) joins the management board; pilot construction site HM Modul

  15. 2021

    TOP 100 seal as innovator

  16. 2022

    Partner of the Year 2022 of property developer Strenger

  17. 2023

    TOP 100 award again; 1st prize as Strenger Partner of the Year 2023

  18. 2025

    SME prize at Lünale 2025

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