How many firearms or firearm-related companies are located in CT?
Here’s an overview: http://www.armsdealer.net/businesses/category/gun-manufacturers/connecticut
More importantly think Sikorsky, Pratt & Whitney, Groton Submarine, etc. The history and heritage of Connecticut in national defense is notable. http://www.defensetech.net/New%20England%20Defense%20Study_06_20_12.pdf
“How many firearms or firearm-related companies are located in CT?”
Ruger, Colt, Stag.