Engineering; Engineering services for building and property condition assessment, facility management, repair and restoration, building instrumentation and monitoring, and environmental consulting; Engineering services for the construction of water treatment and purification plants, solid waste treatment plants and other municipal infrastructure facilities; Surveying and engineering; Technology consultation in the field of fire alarm systems; Land use planning services; Planning and layout design for the interior space of retail business establishments; Planning of buildings and infrastructure systems for buildings; Research on building construction or city planning; Civil engineering; Civil engineering for the design of commerical buildings; Computer-aided engineering services for others; Conducting engineering surveys; Design for others in the field of fire alarm systems