David Czarnecki

Expanse Electrical Co. LLC provides electrical contracting services to oil exploration and production companies. It offers grounding, lightning protection, field electrification, substation, loop checks, calibration, and start-up assistance. The company was founded in 1951 and is headquartered in Houston, TX.

Trace Engines LP manufactures aircraft engines. It offers aircraft equipment, parts, and accessories. The firm's services capabilities include international travel, aircraft delivery, full records accountability, scheduled inspections, total engine overhauls, maintenance training for operators, hot section and gearbox inspections and on-site consultations. The company is headquartered in Midland, TX.