WAHLCO

Service in the nature of installation, repair, and maintenance of electrical systems and mechanical flue gas injection systems used in air pollution control, ammonia supply systems, and industrial gas conditioning systems; Rental of building equipment, namely, rental of electrical and mechanical systems in the nature of liquid and dry chemical feed systems used in air pollution control, ammonia supply systems, and industrial gas conditioning systems

Custom engineering and design of systems used in air pollution control, namely, ammonia supply systems, and consulting therewith; Custom engineering and design of industrial gas conditioning systems and consulting in conjunction therewith; Service in the nature of installation, repair, and maintenance of software for computer systems used in air pollution control, ammonia supply systems, and industrial gas conditioning systems; Rental of computer software systems used in air pollution control, ammonia supply systems, and industrial gas conditioning systems