Merr-Sonn Mil/Sci was a conglomerate known for being one of the original signatory sponsors of the Corporate Sector Authority. They manufactured heavy weapons, armor, siege equipment, and military gear. Subsidiaries included Merr-Sonn Munitions, Inc., MerrWeapons, and Merr-Sonn Industrial Equipment.
- Han Solo and the Corporate Sector Sourcebook
- "Rebel Privateers!"—Star Wars Adventure Journal 2
- Pirates & Privateers
- The Far Orbit Project
- The Essential Guide to Weapons and Technology
- Arms & Equipment Guide Extras!