contractor (suomeksi)

rakennusmestari (s)
urakoitsija (s: A person or company that performs specific tasks like electrical or plumbing work in construction projects)
alihankkija (s)
palveluyritys (s)
rakennusurakoitsija (s: A person or company that constructs or improves buildings)
huoltofirma (s: A person or company hired to maintain existing facilities)