Timo Seppo Vikström

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.

PHP Holding Oy operates as an investment company with a focus in data communication, information technology, and the communications sector. The company was founded in 1906 and is headquartered in Lahti, Finland.

PHP Liiketoiminta Oyj provides wired telecommunication services. The company was founded on April 23, 1999 and is headquartered in Lahti, Finland.

Isku-Yhtymä Oy manufactures and wholesales furniture products. It designs, manufactures and markets comprehensive interior solutions for homes, schools, offices and public spaces. The company was founded in 1928 and is headquartered in Lahti, Finland.