Profile: Tennco, Inc. is a distributor of fluid connectors. We offer bulk hose, hose assemblies, fittings, adapters, couplings, valves, clamps and reels. We deliver standard, special & jump size hydraulic tube fittings including carbon steel, stainless, flare-O and face seal. We also market a full line of metric fittings and adapters. We provide check valves, needle valves, flow controls, quick exhaust valves, shuttle valves, hydraulic cartridge valves and gauge snubbers.