GPCA is a product development firm based in San Francisco Bay Area. They design outdoor/advernture products like the GP-Grip Ultimate Jeep Grab Handle, GP 1945 Bolt Action Plus Pen, and GPCA Carabiner, just to name a few.

GP stands for General Purpose, and CA stands for California.

GPCA Carabiner - Kickstarter Packaging
GPCA Carabiner – Kickstarter Packaging