{"source":"Breaknorm","page":"https://breaknorm.co/market/manufacturing_industry/windows_doors_and_precast_concrete/at","license":"https://breaknorm.co/terms","vertical":"manufacturing_industry","subvertical":"windows_doors_and_precast_concrete","country":"AT","companies":766,"by_leaf":[["window_and_door_manufacturers",284],["stone_fabrication",129],["precast_concrete_manufacturers",108],["aluminium_systems_manufacturers",88],["timber_joinery_manufacturers",45],["other_building_products_manufacturing",42],["glass_processing_and_units",31],["ready_mix_concrete_suppliers",24],["custom_metal_fabrication_and_installation",21],["custom_furniture_makers",15],["concrete_and_mortar_products",11],["metal_products_manufacturers",11],["staircase_manufacturers",10],["art_glass_and_leaded_glazing",9],["natural_stone_processing_supply",7],["ornamental_ironwork_and_gates",7],["roofing_and_cladding_products_manufacturers",7],["decorative_luminaire_makers",5],["modular_portable_building_manufacturers",5],["other_handmade_craft_makers",5]],"by_headcount":[["2-10",587],["11-50",68],["0-1",40],["51-200",40],["201-500",24],["501-1000",5],["1001-5000",2]],"by_city":[["Wien",64],["Wöllersdorf",11],["Graz",9],["Lustenau",9],["Dornbirn",8],["Mühlau",6],["Wels",6],["Brand",5],["Klagenfurt",5],["Gleisdorf",4],["Götzis",4],["Höggen",4]],"hiring":{"companies":29,"new_30d":4,"by_headcount":[["11-50",7],["2-10",7],["51-200",7],["201-500",6],["1001-5000",1],["501-1000",1]]},"tech":[["microsoft_365",278],["microsoft_teams",58],["cloudflare",46],["microsoft_entra_id",40],["microsoft_intune",40],["a1_telekom",33],["google_workspace",27],["matomo",23]],"top_note":"The largest companies of the segment, by headcount; job boards and portals left out.","top":[{"domain":"josko.com","name":"JOSKO","country":"AT","city":"Kopfing im Innkreis","headcount":"1001-5000","leaf":"window_and_door_manufacturers","summary":"JOSKO is a manufacturer from Austria that produces frameless passive house glazing, including windows, sliding doors and all-glass systems."},{"domain":"katzbeck.at","name":"KATZBECK","country":"AT","city":"Rudersdorf","headcount":"201-500","leaf":"window_and_door_manufacturers","summary":"KATZBECK is a manufacturer of custom-made windows and doors from Austria that develops and produces its own plastic and plastic-aluminum window systems."},{"domain":"leha.at","name":"LEHA","country":"AT","city":"Aumühle","headcount":"201-500","leaf":"window_and_door_manufacturers","summary":"LEHA is a manufacturer of window blinds and sun protection that produces roller blinds, pleated blinds, vertical blinds, twin roller blinds and aluminium tracks."},{"domain":"glas-gasperlmair.at","name":"Glas Gasperlmair Ges.m.b.H","country":"AT","city":"Wagrain Markt","headcount":"201-500","leaf":"glass_processing_and_units","summary":"Glas Gasperlmair Ges.m.b.H is a glass-processing manufacturer that cuts, treats and supplies glass for construction."},{"domain":"actual.at","name":"ACTUAL","country":"AT","city":"Haid","headcount":"201-500","leaf":"window_and_door_manufacturers","summary":"ACTUAL is a manufacturer from Austria that produces and sells windows, doors and sun protection."},{"domain":"strasser-steine.at","name":"STRASSER-Steine","country":"AT","city":"Ansbach","headcount":"201-500","leaf":"stone_fabrication","summary":"STRASSER-Steine is a manufacturer that produces kitchen countertops from natural stone, ceramic and the Alpinova material line."}],"as_of":"2026-11-04","updated_at":"2026-11-04","hash":"4248b5253cd2d74b","index_tier":2}