Aluminum Precision Products (APP) is no lightweight. Through its APP Forge division, the company is a leading maker of aluminum forgings for the auto, aerospace, medical, and diesel locomotive industries. Aluminum Precision also makes titanium forgings, and offers complete milling, turning, drilling, and precision honing services for aluminum, titanium, and steel forgings. The company takes products from initial design through final assembly. Its Catalina Cylinders division manufactures high- and low-pressure aluminum gas cylinders for the scuba, beverage, medical, and automotive industries. Its Cliff Impact division makes fire extinguishers and paintball cylinders. The Keeler family controls the company.