Northumberland Stewardship Council
- Develops programs for private land use that maintain and preserve rural areas and resources.
- http://www.ontariostewardship.org/ontarioStewardship/home/osNSCIndex.asp

Interpool Development
- Offers affordable web hosting solutions and php/mysql programming, either custom or open source solutions.
- http://www.interpool.ca/

Northumberland Online
- Internet Service Provider located in Port Hope, Ontario.
- http://www.nhb.com/

eagle.ca Internet
- Northumberland's largest Internet Solution Provider. Dialup, high-speed DSL & wireless access, domain hosting and business solutions.
- http://www.eagle.ca/

Nbiz.ca
- Federal government pilot project to seek meaningful career opportunities in technology. Office located in Cobourg, Ontario.
- http://www.nbiz.ca