Eastern Ontario, Canada

Eastern 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 Eastern Ontario →

A

Eastern Ontario at a glance

Rolled up from the 9 regions inside Eastern Ontario on this site.

Population—
registry estimate
Places inside9
3 with a full /local page
Businesses on file4,232
business register, all places inside
Companies headquartered11
in the company directory
Who represents them3
places with a /politics page
Property & employers0 · 1
/property and /employers records
E

Largest employers headquartered in Eastern Ontario

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

  1. 1.Reid's Dairy Company Belleville, ON · Manufacturing — dairy, juice and ice cream ↗89 at this site, 2026
B

Largest places in Eastern Ontario

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

  1. 1.Belleville, Ontario full55,070
  2. 2.Napanee, Ontario full16,880
  3. 3.Arnprior, Ontario full9,630
  4. 4.Manotick, Ontario5,315
  5. 5.Bonnechere Valley, Ontario3,898
R

Inside Eastern Ontario

9 regions have Eastern Ontario as their parent.

C

Companies based in Eastern Ontario

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

areaAbout this page: figures for the whole of Eastern 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.