OneConstruction Group Limited

MECOM Power and Construction Limited operates as an investment holding entity and a comprehensive engineering and construction contractor with operations spanning Macau, Hong Kong, and mainland China. The company offers a wide range of services, including the erection of steel structures, which involves structural steelwork, concrete placement, general building activities, and other integrated tasks. Its civil engineering construction portfolio encompasses demolition, ground investigations, site preparation, and foundation work, in addition to constructing substructures, superstructures, roads, and drainage systems. Furthermore, MECOM performs interior fit-out and renovation projects, undertaking alterations, modernizations, and upgrades. The firm also specializes in the construction and installation of high-voltage power substations, managing everything from planning and scheduling to project execution and the deployment of customized high-voltage substations and power transmission networks, including the integration of power systems. Its electrical and mechanical (E&M) engineering services cover the supply and/or installation of low voltage, heating, ventilation, and air-conditioning (HVAC), and extra-low voltage systems, complete with testing, commissioning, and rigorous quality and delivery oversight. Additionally, MECOM provides facilities operation and maintenance management, handling alterations, upgrades, routine maintenance, and emergency repairs for various buildings, properties, their components, and high-voltage power substations with their related infrastructure. Founded in Macau in 2000, MECOM Power and Construction Limited is a subsidiary of MECOM Holding Limited.

Hang Yick Holdings Company Limited, a steel and metal engineering company, designs, manufactures, supplies, and installs steel and metal products for construction projects in Hong Kong and the People’s Republic of China. It offers steel and metal products, including metal gates, collapsible gates, fire-insulated shutters, rolling shutters, metal doors, and other steel and metal products, as well as installation works and after-sale services. The company also provides steel and metal engineering solutions on various contract forms, such as balustrades, rolling shutters, mailbox, handrails, cat ladders, and other products; and metal gates engineering services to public and private sectors. Its portfolio of public and private sector building projects includes community and residential developments. In addition, the company the design, manufacture, supply, and installation for passive fire products, such as insulation and non-insulation fire rolling shutters and gates. Further, it offers structural design solutions. It serves construction and engineering companies. Hang Yick Holdings Company Limited was founded in 1993 and is headquartered in Yau Tong, Hong Kong

Glory Flame Holdings Limited functions as an investment holding company, operating through its subsidiaries to deliver construction services and supply building materials across Hong Kong and mainland China. The company's diverse offerings include concrete demolition, comprehensive construction engineering, and general construction project execution. Furthermore, it is involved in the production and distribution of specialized building materials such as prefabricated components and high-strength concrete piles. Beyond its core construction activities, the firm also engages in the research and commercialization of LED cultivation cabinets. Established in 2014, Glory Flame Holdings maintains its principal office in Tsim Sha Tsui, Hong Kong.

Wah Wo Holdings Group Limited functions as an investment holding entity, specializing in aluminum-related solutions and services across Hong Kong. The company primarily focuses on exterior architectural elements, providing façade works that encompass windows, window wall systems, and curtain wall systems. Furthermore, it offers integrated design and construction, as well as renovation capabilities, catering to a diverse portfolio of structures ranging from residential buildings and commercial properties to retail outlets, academic institutions, and hotels. Their comprehensive project execution covers initial design conceptualization, structural analysis, the creation of detailed shop drawings, and full project management. This oversight extends to the procurement of materials, subcontracting installation tasks, hands-on site supervision, and post-completion support with maintenance services. In addition to its core services, the company also engages in the sale of tools and equipment. Established in 2018, Wah Wo Holdings is headquartered in Kwai Chung, Hong Kong, and is a wholly-owned subsidiary of Ornate Bright Limited.

Hanison Construction Holdings Limited functions as an investment vehicle, with its core business centered on the construction industry within Hong Kong. The company's operations are diversified across seven primary segments. These encompass general building and civil engineering works, specialized interior fit-out and refurbishment projects, and the design, sourcing, and installation of various building materials. As a contractor, it constructs a wide range of properties, including residential, commercial, industrial, educational, and recreational facilities, frequently offering integrated design-and-build services. Its materials division supplies and installs items such as kitchen cabinets, different types of timber and engineered flooring, suspended ceiling systems, metal cladding, and fire-rated and composite boards for developers and major contractors. This segment also provides plumbing pipes (including galvanized, black, stainless steel, and polyethylene) and associated fittings. The interior and renovation arm handles the upkeep and modernization of clubhouses, retail complexes, office spaces, residential units, industrial buildings, and institutional establishments. Furthermore, Hanison is involved in property development, managing the complete process from land acquisition and feasibility studies to design, construction, sales, and marketing. It also delivers comprehensive property agency and management services, covering rental collection, leasing, and overall property administration. Additionally, the company distributes health supplements, medical equipment, and traditional Chinese medicine, and offers plant maintenance services. Established in 1989, Hanison Construction Holdings Limited is based in Sha Tin, Hong Kong.

Headquartered in Tokyo, Japan, and established in 2021, INFRONEER Holdings Inc., alongside its various subsidiaries, delivers a comprehensive array of infrastructure solutions throughout the nation. Their core business encompasses the entire lifecycle of infrastructure development, spanning initial strategic planning, detailed design, actual construction, ongoing operational management, and essential maintenance. This scope also extends to the oversight and administration of connected or ancillary ventures. Beyond these core services, the company diversifies its activities by manufacturing and distributing construction equipment, undertaking civil engineering and architectural projects, and providing specialized paving provisions.