Northern Ontario, Canada

Northern Ontario, Canada: the places inside it, the companies based here, and where this atlas has research on it.

area · North America · page prepared 2026-11-07

Visiting rather than moving? The free guidebook for Northern Ontario →

A

Northern Ontario at a glance

Rolled up from the 10 regions inside Northern Ontario on this site.

Population—
registry estimate
Places inside10
2 with a full /local page
Businesses on file8,407
business register, all places inside
Companies headquartered13
in the company directory
Who represents them2
places with a /politics page
Property & employers1 · 2
/property and /employers records
E

Largest employers headquartered in Northern Ontario

Worldwide head offices from the /employers research, ranked by people employed as each company reports it.

  1. 1.Redpath Mining North Bay, ON · Mining services — contract mining and engineering ↗10,005 worldwide
  2. 2.Ontario Northland Transportation Commission North Bay, ON · Transportation — rail freight, passenger rail and coach; rail-car remanufacturing ↗900 at this site, 2026
  3. 3.Dilico Anishinabek Family Care Thunder Bay, ON · Health and social assistance — Indigenous child, family and health services ↗600 at this site, 2026
  4. 4.Tbaytel Thunder Bay, ON · Telecommunications — wireless and wireline carrier ↗407 at this site, 2026
B

Largest places in Northern Ontario

By registry population; places with a full /local page are marked.

  1. 1.Thunder Bay, Ontario full108,843
  2. 2.North Bay, Ontario full52,660
R

Inside Northern Ontario

8 regions have Northern Ontario as their parent.

C

Companies based in Northern Ontario

13 companies in the Research Upon directory have their headquarters somewhere in Northern Ontario. Search them by name or industry.

areaAbout this page: figures for the whole of Northern Ontario, Canada are rolled up from every region inside it; each place inside has a page of its own, and the companies headquartered here are listed above.