Hannu Väinö Tapani Rahkonen

Isku Interior Oy provides interior design and furniture solutions for public premises. Its products include tables, desks, chairs, stools, benches, sofas, armchairs, space dividers, partitions, acoustic panels, service desks, office phone booths, and storage furniture. The company designs work and office facilities, learning environments, and care and special accommodation facilities. Isku Interior was founded on January 1, 2015 and is headquartered in Lahti, Finland.

Posti Group Oyj provides postal and logistic services. It also offers parcel, freight, and e-commerce solutions. The company was founded by Per Brahe in 1638 and is headquartered in Helsinki, Finland.

Lahti Energia Oy engages in the production and distribution of electricity. It focuses on production of renewable energy. The company was founded in 1907 and is headquartered in Lahti, Finland.