Harju Elekter has been manufacturing electrical equipment since 1968. The operation of the Harju Elekter Group is can be divided into two business segments – firstly production and secondly real estate and all other activities. The Parent company AS Harju Elekter include the coordination of the co-operation within the Group, management of subsidiaries and related companies through their supervisory and management boards, management of finances and investments of the Group and management of development and expansion activities. The parent company is also responsible for administrative and lease arrangements of production premises and for the professional operation of the corporate stores of Harju Elekter.
There are seven 100% subsidiaries in the Harju Elekter Group. Harju Elekter Elektrotehnika (situated in Keila, Estonia) produces equipment for power distribution networks (substations, cable distribution cabinets and switchboards), industrial control and automation systems for the energy and industrial sectors as well as for public utilities. AS Harju Elekter Teletehnika (Keila, Estonia) core business is the manufacturing of sheet metal products for the needs of data communication networks and telecom companies. Finnish companies – Satmatic Oy and Finnkumu Oy - who situate Ulvila and Kurikka, produces equipment for power distribution network, industrial control and automation systems for the energy and industrial sectors as well as pre-fabricated substations for ernegy sector. In October 2003 Harju Elekter purchased 51% and in 2015 rest of the shares in Lithuanian company Rifas UAB, giving Harju Elekter holding in the subsidiary today 100%. The company's core business is the manufacture and sale of electrical control and distribution units and the design and installation of industrial automation equipment. In 2010, sales company, Group’s subsidiary Harju Elekter AB (HE participation 90%) was founded in Sweden for sale of the Group's products in Sweden and the Nordic countries. In Oct. 2016, real estate holding company Harju Elekter Kiinteistöt Oy joined with Group. Since March 2017, (80.5%), a small commerce group with a number of electrical appliances stores belongs to Harju Elekter Group.
The shares of Harju Elekter are quoted on Nasdaq Tallinn Stock Exchange since 1997.