- O.F. Mossberg
Manufacturer of pump-action shotguns.
- Town of North Haven
- Desktop Publishing Supplies Inc.
Inkjet and laser printer supplies, labels, papers, cartridges, CD-ROM products, and more.
- North Haven Fair
Held annually in September.
- Yankee Containers
Manufacturing a line of steel, plastic, glass, and fiber packaging including drums, cans, bottles, jars and boxes.
- Catbird Press
Publishes Central European literature in translation, humor, and American fiction.
- Farm River Antiques
Offers 19th and 20th Century American furniture. Includes photos.
- North Haven Memorial Library
- Fireguard Factory Outlet, Inc.
Offers glass fireplace enclosures.