Merfish United is the leading master distributor of Domestic steel pipe, globally sourced steel pipe, copper tubing, plastic pipe, electrical conduit and related products to independent wholesale distributor customers within the plumbing and heating; pipe, valve and fittings (PVF); heating, ventilation and air conditioning (HVAC); waterworks; fire protection; pool supply; lumber yard; fence; steel service center and electrical supply markets.

Keeney's Plumb-Pak brands offer a wide variety of plumbing solutions including water supply, toilet repair, bath and kitchen plumbing parts, bath safety products, faucets and more.