{"source":"Breaknorm","page":"https://breaknorm.co/market/property_construction/construction_and_building_engineering/at","license":"https://breaknorm.co/terms","vertical":"property_construction","subvertical":"construction_and_building_engineering","country":"AT","companies":4680,"by_leaf":[["general_building_contractors",2187],["excavation_and_earthmoving_contractors",616],["timber_frame_house_builders",567],["civil_infrastructure_contractors",467],["carpentry_timber_construction",192],["swimming_pool_builders",177],["multi_trade_renovation",116],["prefabricated_house_manufacturers",114],["demolition_contractors",110],["other_construction_and_building_engineering",108],["scaffolding_contractors",82],["custom_home_builders",81],["masonry_contractors",76],["architecture_practices",56],["drywall_interior_fitout",52],["roofing_contractors",48],["concrete_and_formwork_contractors",42],["groundworks_contractors",40],["concrete_cutting_and_core_drilling",38],["hard_landscaping_and_paving",36]],"by_headcount":[["2-10",3906],["0-1",445],["11-50",171],["51-200",93],["201-500",32],["501-1000",18],["1001-5000",12],["10001+",3]],"by_city":[["Wien",652],["Graz",76],["Linz",55],["Salzburg",52],["Mühlau",31],["Klagenfurt",29],["Wiener Neustadt",21],["Dornbirn",16],["Rettenbach",16],["Feldkirchen in Kärnten",14],["Leithen",14],["Lauterach",12]],"hiring":{"companies":113,"new_30d":14,"by_headcount":[["2-10",60],["51-200",17],["201-500",16],["11-50",9],["501-1000",7],["1001-5000",2],["0-1",1],["10001+",1]]},"tech":[["microsoft_365",1587],["microsoft_teams",418],["microsoft_intune",348],["microsoft_entra_id",342],["cloudflare",265],["matomo",204],["google_workspace",166]],"top_note":"The largest companies of the segment, by headcount; job boards and portals left out.","top":[{"domain":"porr-group.com","name":"PORR AG","country":"AT","city":"Wien","headcount":"10001+","leaf":"general_building_contractors","summary":"PORR AG is a construction company that provides full-service construction across high-rise, civil engineering, environmental technology, design and engineering,."},{"domain":"gerstl.at","name":"GERSTL BAU GmbH & Co KG","country":"AT","city":"Wien","headcount":"501-1000","leaf":"general_building_contractors","summary":"GERSTL BAU GmbH & Co KG is a construction company from Austria that performs high- and low-rise building work across residential, commercial, municipal and inst."},{"domain":"wimbergerhaus.at","name":"WIMBERGER","country":"AT","city":"Edelhof","headcount":"501-1000","leaf":"general_building_contractors","summary":"WIMBERGER is a general contractor that plans and builds homes in Upper Austria, Lower Austria and Salzburg."},{"domain":"hitthaller.at","name":"Hitthaller+Trixl Baugesellschaft m.b.H.","country":"AT","city":"Göß","headcount":"501-1000","leaf":"general_building_contractors","summary":"Hitthaller+Trixl Baugesellschaft m.b.H."},{"domain":"jchristof.com","name":"J.Christof GmbH","country":"AT","city":"Sankt Veit","headcount":"501-1000","leaf":"general_building_contractors","summary":"J.Christof GmbH is a service company that provides plant construction and industrial services for businesses."},{"domain":"dywidag.at","name":"DYWIDAG","country":"AT","city":"Linz","headcount":"201-500","leaf":"general_building_contractors","summary":"DYWIDAG (Dyckerhoff & Widmann Gesellschaft m.b.H.) is a construction company active throughout Austria that handles new builds, revitalization and general contr."},{"domain":"wilhelm-mayer.at","name":"Wilhelm+Mayer Bau GmbH","country":"AT","city":"Götzis","headcount":"201-500","leaf":"general_building_contractors","summary":"Wilhelm+Mayer Bau GmbH is a construction company from Austria that provides building trades, general contracting, and material supply for private homeowners, co."},{"domain":"schmid-baugruppe.at","name":"Schmid Baugruppe","country":"AT","city":"Haag","headcount":"201-500","leaf":"general_building_contractors","summary":"Schmid Baugruppe is a total contractor in Austria that carries out high-rise construction, roofing and facade work, timber construction, project development and."},{"domain":"gropyus.com","name":"GROPYUS","country":"AT","city":"Wien","headcount":"201-500","leaf":"general_building_contractors","summary":"GROPYUS is a general contractor that builds multi-family houses in sustainable timber and wood-hybrid construction using modular, robotized series manufacturing."},{"domain":"haider-co.at","name":"Gebrüder Haider & Co Hoch- u. Tiefbau GmbH","country":"AT","city":"Göritz","headcount":"201-500","leaf":"civil_infrastructure_contractors","summary":"Gebrüder Haider & Co Hoch- u."},{"domain":"trepka.at","name":"Trepka","country":"AT","city":"Ebersdorf","headcount":"201-500","leaf":"general_building_contractors","summary":"Trepka is a general contractor from Austria that provides construction across several specialties, including concrete precast parts, carpentry, energy buildings."},{"domain":"antontraunfellner.at","name":"Anton Traunfellner","country":"AT","city":"Seattle","headcount":"201-500","leaf":"general_building_contractors","summary":"Anton Traunfellner is a construction company from Traunfellner, Austria, that provides high-rise construction, civil engineering and infrastructure, demolition,."},{"domain":"mrbau.at","name":"M&R BAU","country":"AT","city":"Feldkirchen in Kärnten","headcount":"201-500","leaf":"general_building_contractors","summary":"M&R BAU is a construction company in Carinthia and Austria that provides high- and low-rise, industrial and social, and canal and road construction, plus turnke."},{"domain":"listgc.at","name":"List General Contractor GmbH","country":"AT","city":"Bad Erlach","headcount":"201-500","leaf":"general_building_contractors","summary":"List General Contractor GmbH is an Austrian family business that outfits luxury yachts and residences for yacht owners, residential clients and hotels."},{"domain":"molin.at","name":"Molin","country":"AT","city":"Wels","headcount":"201-500","leaf":"other_construction_and_building_engineering","summary":"Molin is an Austrian service company that provides building technology and industrial plant construction for industrial and commercial buildings."}],"as_of":"2026-11-05","updated_at":"2026-11-04","hash":"218548675590940a","index_tier":2}