ISTA

Recordation of consumption value and billing of heat, cold and warm water costs, and other household incidental costs, namely, utility bill management services, consisting of tracking, reporting, analyzing and delivering energy information in the form of utility bills and utility meter data rate schedules

installment purchase, namely, lease-purchase financing of equipment, specifically, water filters, proportioning equipment for water treatment and softening of water, water meters, heating cost distributors, warm water cost distributors, heat meters, heating thermostats, thermostat valves, actuators for water valves, and heat meters

Maintenance of heat meters, warm and cold water meters; maintenance of the equipment for commercial use, specifically, water filters, proportioning equipment for water treatment and softening of water, water meters, heating cost distributors, warm water cost distributors, heat meters, heating thermostats, thermostat valves, and actuators for water valves, heat meters

Leasing of utility-providing services related equipment, namely, water filters, proportioning equipment for water treatment and softening of water, water meters, heating cost distributors, warm water cost distributors, heat meters, heating thermostats, thermostat valves, and actuators for water valves and heat meters

leasing of proportioning equipment for water treatment and softening of water, namely, pumps, valves, meters, filters; processing of software for others, namely, inserting software protection programs and security programs onto magnetic media

Development and processing of software for others, processing of software for others, namely, installation, customization and updating