• Absa Construction
• Abadgar
• Abadgar.q (Syndicate of Construction & Installation of Qazvin)
• ACCO
• ACC Learn
• Adjiane Kara
• Afarand Saakht
• Agh Constructive Company
• Almasah Iran
• Anhar Co
• Anojomane Mazandaran
• Arc Beton
• ASP
• Atriyad Boom
• Bana Afarin
• Behsazeh
• Bonkaran
• Civilica
• Civilref (Reference of Construction)
• Construction Bank
• COO.ir
• Daghigh Co
• Debleh
• Ehdas Gharb
• Evyol
• Farabist
• Faranegare Toos
• Fars Masir
• Fazlollahi (Negine Borje Parsian)
• Gilan Vila
• Heavy Equipment Production Company (HEPCO)
• Hiva Lord
• HOSYN (Hormozgan)
• Hormozgan Syndicate
• Iran Sazan
• IRNEST (Iran Structure-Azhand Taveh)
• Kandovan Pars
• Kariran Sooleh
• Khazar Chinan
• KH-SYN (Khorasan)
• Kian Borj
• Koohsar
• Mana Saaz
• Maskan Tablieh
• Maysun Co
• Mika Sazeh Co
• Moallem Construction Company
• Moein Omran
• Monir Co (Civil & Piping Construction Company)
• Moutabar
• Navdis Rah
• Nazeran
• Nezam Mohandesi
• Nezam Mohandesi (Golestan)
• Novin Truss
• Omran Techlar
• PAMICCO
• Pars Pooyan
• Pars Sazeh
• Parsa Saze
• Partian
• Pasargad-V
• Pavan Construction Co
• Payame Karfarmayan
• Peychin Construction Company
• Plam Structural Co
• Polband Co
• PMCC
• PSP Co
• Raadis (Rad Sazane Pardis)
• Rej Co
• Rezveh
• Rivand Beton
• Rock Construction Company
• Sakhtemane Esfahan
• Sazehsara
• SDM
• Shangarf
• Shasa
• SKKCO
• Soroosh INV
• Tarrier Piping & Construction
• Tazh Kooshan
• Tirage.ir
• Yazd Gonbad