Miramichi Enviro Lab
- Tests and analyzes quality of water in wells, drinking water sources and swimming pools. Member of the Canadian Association for Environmental Analytical Laboratories.
- http://www.miramichienvirolab.com/

Miramichi Medical Supplies
- Supplies a wide variety of products for home health care and daily living aids.
- http://www.miramichimedicalsupplies.com/

Slam Exploration Ltd.
- A mineral resource company engaged in responsible mineral exploration and development in Canada. Features information about the company, its projects and financials.
- http://www.slamexploration.com/

Bartcom Enterprises
- Offers products and supplies for recreational vehicles and watercraft, provides financial services and consulting for businesses, and loans skid steer equipment for a variety of uses.
- http://bartcom.com/

Enterprise Miramichi
- A region development corporation offering free and confidential advice to businesses in the Miramichi Region. The corporation acts as a liaison between business and all levels of government.
- http://www.ent-miramichi.ca/

Greater Miramichi Chamber of Commerce
- The chamber promotes business matters in the area. Offers a description of events, business services, member benefits and chamber links.
- http://www.greatermiramichi.com/

Mighty Miramichi
- Business directory and regional information for the greater Miramichi area
- http://www.mightymiramichi.com

Miramichi Agricultural Exhibition Association
- Located in Miramichi City, New Brunswick. Trade show and pavilion buildings host weddings, receptions, trade shows, conventions, conferences, dinners, dances, Bingos, and fundraisers. Onsite bar and restaurant facilities.
- http://www.ex-one.com/

Northumberland Co-operative Dairy Limited
- A farmer owned and operated Co-operative, Northumberland's corporate head office and processing plant are located in the city of Miramichi, New Brunswick, Canada.
- http://www.northumberlanddairy.com