Description Edeco Petroleum Services Limited (EDECO) provides specialized products and services to the oil and gas, geothermal, mining industries. Its services include drilling equipment design and manufacture, industrial diesel engine and transmission services, oil field equipment supply and specialist services, onshore drilling, oil field tubular services, workover services, and wellhead and valve maintenance and repair. Subsidiary English Drilling Equipment Company (and the company's original name, hence the EDECO moniker) makes rigs and accessories (such as pumps, rods, tools) for geotechnical, mining, surface exploration, water wells, and other specialties.