Consulting in the fields of engineering and architecture; Engineering; Engineering services for building and property condition assessment, facility management, repair and restoration, building instrumentation and monitoring, and environmental consulting; Engineering services in the field of reduction of operating costs, fuel blending, waste handling, quality performance of co-products and by-products, and chemical distribution; Engineering services, namely, engineering for the design and construction of buildings; Environmental services, namely, engineering services and consultation for the detection of contaminants in air; Environmental services, namely, technical consultation in the field of environmental science, engineering services, design for others in the field of energy engineering, designing and testing of energy products for others; Environmental services, namely, technical consultation in the field of environmental science, engineering services, design for others in the field of environmental engineering, designing and testing of new environmentally friendly products for others; Mechanical engineering; Technology consultation and research in the field of design and construction of buildings