42 Conducting of preliminary scientific feasibility studies in the field of energy; design of computer systems for others in the field of energy efficiency; architectural design for others in the field of energy efficiency; Engineering services in the field of energy efficiency; Electricity and natural gas services, namely, meter data management and analysis; Consulting services in the fields of energy measurement to improve energy efficiency; Engineering and design services for others in the field of systems for providing heating, ventilating, air conditioning, refrigeration, energy, and lighting; architectural design services; online system management services, namely, providing a website that allows users to remotely monitor systems for providing heating, ventilating, air conditioning, refrigeration, energy, power generation and lighting systems; consultancy services, namely, consulting services regarding the design of building infrastructure systems, planning of buildings and infrastructure systems for building, site planning, namely, engineering, building design, building engineering, building standards; Gas meter reading and data analysis; electric meter reading and data analysis; water meter reading and data analysis; Software as a service (SAAS) services, namely, hosting software for use by others for use in tracking and managing energy and water usage, output and costs and analyzing and adjusting utilities bills; providing online scientific research information in the field of utilities cost management and energy and water usage management; providing a website featuring technology that enables the sharing of information regarding energy and water usage and the cost information related thereto; scientific research consulting services in the fields of energy measurement to improve energy efficiency; water meter data analysis; measurement and verification of carbon dioxide and other greenhouse gas emission offsets; Scientific research and consulting services in the field of energy measurement to improve energy efficiency; non-downloadable software for use in tracking and managing energy and water usage, output and costs and analyzing and adjusting utilities bills; Providing temporary use of on-line non-downloadable software for use in database management in the field of real estate; design and development of on-line computer software systems; integration of computer systems; design and development of automated controller systems, namely, temperature, humidity and electrical controllers; Planning, design and management of information technology systems for buildings; Planning of buildings and infrastructure systems which affect the interior and exterior environment settings of buildings; Design of computer software systems for facility management controls; Installation, maintenance, and repair of computer software systems for facility management controls; Technical consultancy and planning services, namely, conducting feasibility studies for solar installations and environmental technology installations; scientific research and development; technical project planning, namely, architectural and technical design of energy efficiency improvements, water efficiency improvements and energy production facilities in buildings; drafting of plans and engineering drawings for solar photovoltaic installations and environmental technology installations; technical planning in the field of data processing for solar installations, environmental installations, and the machines related thereto; project planning for logistics, engineering and design in the field of solar photovoltaic installations and environmental technology installation; Computer programming for controlling, regulating, simulating, visualizing and monitoring parameters in solar photovoltaic installations, combined heat and power installations, building control systems, HVAC control systems, lighting control systems, plumbing systems and other environmental installations; providing planning and engineering services in the field of data networks for solar photovoltaic installations, combined heat and power installations, building control systems, HVAC control systems, lighting control systems, plumbing systems and other environmental installations; installation and maintenance of computer software for controlling, regulating, simulating, visualizing and monitoring parameters in solar photovoltaic installations and other environmental installations; Technical support services, namely, remote administration and management of in-house and hosted datacenter devices, databases and software applications; Providing temporary use of on-line non-downloadable software for use in connection with managing real estate, property management, property construction and development and performing related accounting functions; software as a service (SAAS) services featuring software for use in connection with managing real estate, property management, property construction and development and performing related accounting functions; computer software development; design and development of computer software; computer services, namely, cloud hosting provider services; computer software development in the field of mobile applications; computer programming for others; computer software consulting; technical support services, namely, troubleshooting of computer software problems; providing a website featuring technology which provides prospective tenants and property managers with the ability to execute, submit and manage housing rental and apartment rental applications, and to perform and manage screening services and background investigations; computer software installation and maintenance; Platform as a service (PAAS) featuring computer software platforms for energy management services, namely, providing a service which allows customers to monitor energy and water usage, and monitor and control building systems, namely, HVAC, lighting, water and power generating systems; Platform as a service (PAAS) featuring computer software platforms for energy management services, namely, purchasing of energy, namely, electricity, natural gas and renewable energy; energy auditing and detailed energy use analysis; analyzing, auditing and monitoring energy usage