Leyden S.A.I.C. y F. operates as a manufacturer of capacitors and provides equipment and services for reactive power compensation and harmonic filtering in electrical networks. The company manufactures and supplies capacitors for low, medium, and high voltage applications, including those for power factor correction and harmonic filtering. It distributes and represents international brands of measurement, control, protection, and electrical switching components, and offers technical consulting, engineering studies, and data collection services for the design and optimization of reactive power compensation and electrical parameter monitoring. The company provides laboratory testing and calibration services with international accreditation for high voltage testing, conducts technical training courses, and publishes technical materials related to power factor correction and electrical quality. It supplies related components such as oil switch disconnectors, vacuum switches, automatic bank controllers, contactors with pre-insertion resistors, reactors for harmonic filtering, and capacitors for lighting compensation. The company serves industrial clients and professional users in the electrical, energy, and utility sectors, including those in markets with regulatory requirements in Argentina, Colombia, Ecuador, Peru, and Panama. The company was founded in 1943 and is based in Buenos Aires, Argentina.