ONE-TELECOM Távközlési Hálózatépítő és Kereskedelmi, Szolgáltató Korlátolt Felelősségű Társaság

Other Specialty Trade Contractors Other Heavy and Civil Engineering Construction Highway, Street, and Bridge Construction Utility System Construction Building Equipment Contractors Foundation, Structure, and Building Exterior Contractors Miscellaneous Nondurable Goods Merchant Wholesalers Media Streaming Distribution Services, Social Networks, and Other Media Networks and Content Providers Wired and Wireless Telecommunications (except Satellite) Web Search Portals, Libraries, Archives, and Other Information Services Land Subdivision Management, Scientific, and Technical Consulting Services Architectural, Engineering, and Related Services Advertising, Public Relations, and Related Services Other Professional, Scientific, and Technical Services Automotive Equipment Rental and Leasing Lessors of Nonfinancial Intangible Assets (except Copyrighted Works) Investigation and Security Services Services to Buildings and Dwellings Office Administrative Services Business Support Services Educational Support Services