Air Vent Inc. is a US-based provider of air ventilation products and solutions. Their inventory includes shingle-over ridge vents, power roof and gable fans, solar power roof and gable fans, roof louvers, wind turbines, whole house fans and a variety of intake vents.

Cary Products is a worldwide supplier of plastic injection molded air movement louvers and components. Vacuum forming capabilities including two 5 axis CNC machines and one 3 axis CNC machine.

Hoffman Controls is a manufacturer of Electronic Special Purpose products for the HVAC&R (Heating, Ventilation, Air Conditioning & Refrigeration) industry. They deal with EC Motor Controls, Induction Motor Controls, Condenser Fan Controls, Refrigeration Controls, SCR Heating Controls, Variable Air Volume (VAV) Products, Sequencer Controls, Thermostats and Transducers, Motor Protection, Ventilation/Exhaust Controls.

Mini split systems, condensing unit, ducted fan coil and air handling unit, chilled water fan coil and air handling units.