{"source":"Breaknorm","page":"https://breaknorm.co/market/manufacturing_industry/windows_doors_and_precast_concrete/de","license":"https://breaknorm.co/terms","vertical":"manufacturing_industry","subvertical":"windows_doors_and_precast_concrete","country":"DE","companies":5709,"by_leaf":[["window_and_door_manufacturers",2532],["stone_fabrication",838],["aluminium_systems_manufacturers",761],["precast_concrete_manufacturers",660],["timber_joinery_manufacturers",404],["other_building_products_manufacturing",282],["glass_processing_and_units",199],["ready_mix_concrete_suppliers",139],["custom_furniture_makers",117],["custom_metal_fabrication_and_installation",95],["staircase_manufacturers",65],["roofing_and_cladding_products_manufacturers",62],["metal_products_manufacturers",49],["concrete_and_mortar_products",48],["ornamental_ironwork_and_gates",45],["natural_stone_processing_supply",40],["art_glass_and_leaded_glazing",37],["brick_and_clay_roof_tile_manufacturers",29],["flooring_manufacturers",29],["bathroom_and_sanitary_products_manufacturers",26]],"by_headcount":[["2-10",4318],["11-50",541],["51-200",391],["0-1",265],["201-500",127],["501-1000",31],["1001-5000",28],["5001-10000",7],["10001+",1]],"by_city":[["Berlin",82],["Hamburg",58],["Harbin",48],["Stuttgart",48],["München",40],["Köln",32],["Düsseldorf",27],["Bielefeld",20],["Frankfurt am Main",17],["Hannover",15],["Berlyn",14],["Dortmund",14]],"hiring":{"companies":516,"new_30d":49,"by_headcount":[["2-10",232],["51-200",128],["11-50",74],["201-500",54],["1001-5000",14],["501-1000",11],["5001-10000",2],["0-1",1]]},"tech":[["microsoft_365",1645],["microsoft_teams",432],["cloudflare",357],["microsoft_intune",329],["microsoft_entra_id",327],["matomo",269],["agenturserver",244],["hornetsecurity",211],["google_workspace",205]],"top_note":"The largest companies of the segment, by headcount; job boards and portals left out.","top":[{"domain":"veka.be","name":"VEKA","country":"DE","city":"Sendenhorst","headcount":"5001-10000","leaf":"window_and_door_manufacturers","summary":"VEKA is a window and door profile manufacturer that produces PVC profile systems for windows, doors, sliding doors and shutters for the BeLux region."},{"domain":"veka.com","name":"VEKA Group","country":"DE","city":"Sendenhorst","headcount":"5001-10000","leaf":"window_and_door_manufacturers","summary":"VEKA Group is a manufacturer from Westphalia that produces PVC profile systems for windows, doors, roller shutters and sliding doors, and operates international."},{"domain":"salamander-windows.it","name":"Salamander Industrie-Produkte GmbH","country":"DE","city":"Türkheim","headcount":"501-1000","leaf":"window_and_door_manufacturers","summary":"Salamander Industrie-Produkte GmbH is a manufacturer of PVC windows, doors and sliding systems that supplies specialized certified partners."},{"domain":"holcim.de","name":"Holcim Deutschland","country":"DE","city":"Hamburg","headcount":"1001-5000","leaf":"precast_concrete_manufacturers","summary":"Holcim Deutschland is a manufacturer and market leader in sustainable construction that produces cement, aggregates, and concrete for the construction industry."},{"domain":"schwenk.de","name":"SCHWENK Baustoffgruppe","country":"DE","city":"Ulm","headcount":"1001-5000","leaf":"concrete_and_mortar_products","summary":"SCHWENK Baustoffgruppe is a cement and building materials manufacturer that produces cement, concrete, sand and gravel, and operates concrete pumping and circul."},{"domain":"gutmann.de","name":"GUTMANN Bausysteme","country":"DE","city":"Weißenburg in Bayern","headcount":"1001-5000","leaf":"aluminium_systems_manufacturers","summary":"GUTMANN Bausysteme is a manufacturer that produces and supplies aluminium window, door and facade systems as a system provider."},{"domain":"hilzinger.de","name":"hilzinger","country":"DE","city":"Angermünde","headcount":"1001-5000","leaf":"window_and_door_manufacturers","summary":"hilzinger is a manufacturer of windows and doors that produces and distributes its own brand across plastic, wood, aluminium, wood-aluminium and plastic-alumini."},{"domain":"roma.de","name":"ROMA","country":"DE","city":"Burgau","headcount":"1001-5000","leaf":"aluminium_systems_manufacturers","summary":"ROMA is a manufacturer of sun protection systems that produces roller shutters, raffstoren, textilscreens and garage doors made in Germany."},{"domain":"lamilux.de","name":"LAMILUX Heinrich Strunz Holding GmbH & Co. KG","country":"DE","city":"Rehau","headcount":"1001-5000","leaf":"other_building_products_manufacturing","summary":"LAMILUX Heinrich Strunz Holding GmbH & Co."},{"domain":"berdingbeton.de","name":"BERDING BETON","country":"DE","city":"Steinfeld (Oldenburg)","headcount":"1001-5000","leaf":"ready_mix_concrete_suppliers","summary":"BERDING BETON is a concrete manufacturer that produces and supplies concrete for private and public-sector construction projects."},{"domain":"siegenia.com","name":"SIEGENIA","country":"DE","city":"Vancouver","headcount":"1001-5000","leaf":"aluminium_systems_manufacturers","summary":"SIEGENIA is a manufacturer of window, door and room-ventilation hardware that supplies hardware, building automation and smart-home solutions for end users, arc."},{"domain":"westag.de","name":"WESTAG TÜREN","country":"DE","city":null,"headcount":"1001-5000","leaf":"other_building_products_manufacturing","summary":"WESTAG TÜREN is a manufacturer that produces doors, frames, solid-surface materials, laminates, and formworks for interior design, building construction, kitche."},{"domain":"master-builders-solutions.com","name":"Master Builders Solutions","country":"DE","city":"Mannheim","headcount":"1001-5000","leaf":"precast_concrete_manufacturers","summary":"Master Builders Solutions is a global manufacturer of concrete technologies that produces concrete admixtures, construction systems, and fibers for concrete rei."},{"domain":"profine-group.com","name":"profine Group","country":"DE","city":"Pirmasens","headcount":"1001-5000","leaf":"glass_processing_and_units","summary":"profine Group is a manufacturer in the window profile business that produces window profiles and system solutions for window construction."},{"domain":"schweiker.de","name":"Schweiker","country":"DE","city":"Grünbach","headcount":"501-1000","leaf":"window_and_door_manufacturers","summary":"Schweiker is a manufacturer that produces and sells windows, front doors and shutter systems."},{"domain":"fsb.de","name":"Franz Schneider Brakel GmbH + Co KG","country":"DE","city":"New York","headcount":"501-1000","leaf":"window_and_door_manufacturers","summary":"Franz Schneider Brakel GmbH + Co KG is a manufacturer from Brakel, Germany, that produces door pulls and window handles for consumers and architecture and plann."},{"domain":"kneer-suedfenster.de","name":"Kneer-Südfenster","country":"DE","city":"Westerheim","headcount":"501-1000","leaf":"window_and_door_manufacturers","summary":"Kneer-Südfenster is a window and door manufacturer with nearly a century of tradition that produces windows, front doors and lift-and-slide doors for building p."},{"domain":"grauthoff.com","name":"GRAUTHOFF","country":"DE","city":"Paderborn","headcount":"501-1000","leaf":"window_and_door_manufacturers","summary":"GRAUTHOFF is a family-owned door manufacturer that has produced doors and frames for over 65 years, offering a door and frame program under its own brands."},{"domain":"beck-heun.de","name":"Beck+Heun","country":"DE","city":"Mengerskirchen","headcount":"501-1000","leaf":"window_and_door_manufacturers","summary":"Beck+Heun is a manufacturer that develops, produces and sells shutter boxes and shutter boxes, ventilation systems, shading and retrofit solutions around window."},{"domain":"rinn.net","name":"Rinn Beton- und Naturstein GmbH & Co. KG","country":"DE","city":"Stadtroda","headcount":"501-1000","leaf":"stone_fabrication","summary":"Rinn Beton- und Naturstein GmbH & Co."}],"as_of":"2026-11-04","updated_at":"2026-11-04","hash":"99c13169ec745853","index_tier":2}