Fittings to Keep America Moving

These highest quality fittings by APGare used in the tank, truck, and railcar manufacturing industry. Whether it is our top-tier Tight-Fill coupler, ASA flange couplers, Railroad Tank Car adapters, or our API Gravity Drop Couplings AGP’s fittings keep America producing, moving, and protected. 

Looking for more specialty coupling products? APG also manufactures our quality military cam & groove coupling and dry break couplings in America but distributes them around the world.