ELECTROELSA is a manufacturer of mast climbing work platforms , transport platforms , material hoists and construction hoists . The company began in 1982, with the design and construction of civil and industrial installations. ELECTROELSA soon entered the hoist-manufacturing sector as a supplier of control panels for the manufacturers of lifting machines . In 1995, the company opened a machine manufacturing division and dedicated themselves to the production of complete rack and pinion lifting systems . It quickly became one of the most prestigious manufacturers in the industry.