Infra Holding PLC operates as a construction company in Bulgaria. The company engages in the construction, rehabilitation, and maintenance of highways, national and municipal road networks, bridges, and tunnels; constructs, reconstructs, and maintains city communications and their adjacent infrastructure; constructs, repairs, and maintains railway lines, tunnels, and bridges; and designs, constructs, and maintains systems for analysis, organization, and traffic safety. It also designs, constructs, and reconstructs new and existing water supply and sewerage systems and facilities; constructs drinking and waste water treatment plants, new landfills for waste disposals, and gas distribution networks and gas pipeline; re-cultivates and closures old landfills; and design and construction treatment of separation, composting, and processing of household waste. In addition, the company constructs residential, public, and industrial buildings; repairs, modernizes, and implements energy efficiency measures in residential, public, and industrial buildings; conserves and restores cultural and historical sites; designs and constructs vertical planning around buildings and facilities; and constructs, reconstructs and modernizes street and park lighting. Further, it is involved in the construction of children’s playgrounds, playgrounds, sport halls, and facilities; constructs new and develops new and existing city park spaces; and reconstructs and overhauls tourist infrastructure in natural parks, such as renovation of alleys, routes, ecology trails, and recreation sites. Additionally, the company designs and constructs modular precast turnkey houses, including street lights, asphalt roads, sidewalks, alleys, and landscape engineering. Infra Holding PLC was founded in 2007 and is based in Sofia, Bulgaria.