Founded in 1989, Preferred Electric Inc. is a full-service electrical, refrigeration and pneumatic company. Based in New Iberia, La., the company installs drilling rigs, generator panels, alarm systems, generator control centers, fire detection system, automation systems and distribution systems. It also offers pneumatic and hydraulic tubing installation. Preferred Electric Inc. designs and fabricates ventilation, humidity control and exhaust systems. The company designs and installs air conditioning and refrigeration systems for commercial, marine and industrial applications. Preferred Electric Inc. specializes in providing underground construction and distribution services like trenching, boring and transformer and conduit installation. It also supplies underground construction utilities, such as compact excavators, street light systems, secondary pedestals and cables.