CHA

Construction management; Construction of roads, dams, commercial adn industrial buildings, utilities systems and infrastructure; Construction planning; Construction project management services; Construction supervision; General building contractor services; General construction contracting

Architectural and engineering services; Civil engineering; Conducting engineering surveys; Consulting services in the field of environmental assessment and planning; Design, development and implementation of software; Geoenvironmental engineering; Mechanical engineering; Providing on-line non-downloadable geographic information system (GIS) software; Website design and development for others