Pratt's new $2.5 million warehouse in Gary, IN, boosts recycling, to supply new containerboard mill under construction [From the web] Pratt Industries has been on a hiring streak lately and it's further boosting its presence in Northwest Indiana with a new recycling plant in Gary. The Australia-based company operates the largest 100-percent recycled corrugated box plant in the world in Valparaiso, and its recycled packaging business has more than doubled over the last decade, Pratt Recycling Division President Myles Cohen said.