Hannu Tapani Tuukkala

Parma Oy manufactures precast concrete products. It offers slabs, beams, columns, wall panels, stair systems, balconies, railway sleepers, wind turbines, noise walls, and bridges. The company provides housing, business premises, and infrastructure construction solutions and services. Parma was founded on April 14, 1993 and is headquartered in Nummela, Finland.

Elematic Inc. supplies precast concrete machinery and equipment, production lines, and production plants to precast concrete producers and owners. The company was founded in 1959 and is headquartered in Brookfield, WI.

Elematic Oyj manufactures and distributes precast concrete plants and production lines. Its products include floor production technologies, wall and façade production technologies, batching and mixing plants and concrete distribution systems, Acotec production lines, foundation, and frame production lines. The firm's precast concrete technology is used for residential and non-residential buildings. The company was founded in 1959 and is headquartered in Akaa, Finland.