Predator L/M/H Armor is produced by Armax Arsenal. You can procure the armory license for Armax Arsenal from the volusExpat in the market district of the Wards. They have the best shield rating in each version (Light, Medium, and Heavy) respectively and are considered to be one of the top two armors in game, the other being Colossus Armor. Predator Armor has less damage resistance than Colossus, but it has far greater shields, and tech / biotic resistance. It has a distinctive green colour and camouflage pattern.