O.A.T., Inc. engages in HVAC and construction solutions to commercial and... O.A.T., Inc. engages in HVAC and construction solutions to commercial and government clients. The company delivers heating, ventilation, and air conditioning systems; field execution, maintenance, and troubleshooting of critical systems; as well as sourcing and delivering HVAC units, control systems, and custom materials. It also provides project engineering and consulting services; smart building technology solutions, including BMS and custom automation systems; and pre-fabrication and system assembly. The company was formerly known as Sillenger Exploration Corp. O.A.T., Inc. was incorporated in 2007 and is headquartered in Cerritos, California.
