33 Companies in L3R1H3 Markham, Ontario

The postal code area L3R1H3 in Markham, Ontario includes a variety of businesses operating in different industries. CanadaBizDB currently lists 33 companies located in this postal code area. Browse more companies in Markham or explore businesses across Ontario and other postal code areas.

  • Total Companies: 33
  • Active: 33
  • Inactive: 0
Map Markham, ON L3R1H3, Canada