APCO Value & Primer 
Automatic pump primers were the first products introduced. These were successfully marketed and became the foundation on which to build. Next introduced were air valves and today APCO's the leading producer of the most complete line of air valves in the world.

APCO air valves are used on pumps and pipelines in Power Plants, Utilities, Municipalities and Industrial Plants of all types. APCO has furnished air valves to the Army, Navy, Air Force, Coast Guard and on many critical installations, including missile sites and nuclear submarines.

CLA-VAL
CLA-VAL produces the world's highest quality automatic control valves. We are able achieve this through a unique combination of engineering expertise, craftsmanship, quality materials, sophisticated manufacturing processes and superior customer service. This commitment has helped us to earn a reputation for excellence throughout the United States and around the world.

Halogen Valve Systems
Halogen Valve Systems' monitor and detect toxic gas leaks and quickly close gas cylinder valves.   Our computer-controlled valve actuators provide safety & security for a large variety of water treatment and manufacturing facilities.