Ari Kalevi Pitkänen

LM-Instruments Oy develops, manufactures and markets dental hand instruments, ultrasonic and air polishing devices. Its products include hand instrumentation, ultrasonic instrumentation, air polishing, orthodontic appliances, care and handling, veterinary instruments and dental tracking system. The company was founded by Pekka Kangasniemi in 1973 and is headquartered in Parainen, Finland.

Planmeca Oy manufactures and wholesales dental equipment such as digital imaging products and dental care units, panoramic and intraoral X-ray units, and digital imaging products. The company was founded by Heikki Kyöstilä in 1971 and is headquartered in Helsinki, Finland.