North Haven, Connecticut has a long list of well established major employers. The following is a partial list of firms in town: 

 Covidien/US Surgical (medical device design & manufacturing)

 Anthem Blue Cross/Blue Shield (insurance)

 O F Mossberg (firearms manufacturer)

 Nicolock (paving stone manufacturing)

 Quinnipiac University (post-graduate education)

 Brescombe Barton (liquor distribution)

 Bozzuto's Inc (grocery distribution)

 United Parcel Service (parcel shipping)

 Connecticut Container Corp (paperboard manufacturing)

HB Communications (digital technology suppliers)

Pennant Foods (commercial bake-off supplier)

Parker-Hannifin (sealing systems manufacturer)

HID (access systems manufacturer)

Praxair Surface Technologies (manufacturer)

Banton Construction (general contractors)

Montowese Health & Rehabilitation (patient rehabilitation facility)

Ulbrich Stainless Steel (specialty steel supplier)

Empire Paving (site development)

United Aluminum (custom rolled aluminum supplier)