3M Filtration

Variety of water filtration and treatment options for healthy drinking water and efficient water systems.


A manufacturer of heat exchangers and custom designed heat transfer, and heat recovery products.  

AK Industries

AK Industries provides a complete line of Poly and Fiberglas Sump Pits, Lids, Sewage Basins, Covers, And Guide Rail Systems.


Premium fiberglass and acrylic bathware products with an unmatched breadth of designs.


Custom engineered foam products and components to meet insulation needs.


Thermal expansion tanks for safe operation of water heating systems.


A leader in combustion products used in heating, cleaning equipment, and for custom applications. 

Bradford White

The only American-strong, American-owned, wholesale-only water heater and boiler manufacturer in the United States.


Manufacturer of commercial plumbing fixtures, washroom accessories and Keltech® tankless electric water heaters for commercial applications.


Toilet repair brand with a complete line of toilet repair parts includes flush valves, flappers, tank levers, dual flush valves, bowl wax, toilet repair kits, ballcocks and connectors.


A leading manufacturer of energy-efficient, residential and commercial mini-split and VRF systems.


Flexible, corrugated stainless steel tubing (CSST) for natural gas and propane distribution.

Heritage Plastics

PVC pipe products for DWV applications and electrical conduit.

Keeney Manufacturing

Manufacturer of domestic tubular brass products, brass and plastic under sink repair parts, quarter turn valves, bath drains, toilet repair parts, and other plumbing industry products.


Hydronic boilers for residential and commercial applications.


Diverse line of residential and commercial HVAC components and replacement parts.


Simplify bidding and installation on every heating and cooling Job.


An industry-leading manufacturer of heavy-duty power tools, accessories and hand tools for professional users.


Fiberglass tubs, tub walls, laundry tubs, mop basins, shower floors and more.


Sump, sewage, effluent and submersible pumps for domestic water distribution in residential applications.


Steel panels, convectors, decorative, bathroom and electric radiators, underfloor heating systems, thermostatic valves for heating and cooling, balancing valves together with electronic control equipment.


Distributes an unmatched array of more than 6,000 plumbing products under Oatey, Cherne, Hercules, Dearborn, Harvey and QuickDrain brands.


Energy-efficient, variable-speed, domestic booster systems for commercial applications.

SJE Rhombus

Manufacturer of switches and control panels ideal for residential and commercial pump systems.


PVC fittings for DWV and Schedule 40 applications.

Tjernlund Products

Quality products solving exhaust, ventilation and heating/cooling issues.


The world’s premier PEX-a pipe manufacture for commercial and residential potable and hydronic applications.

 = Stocked in PSI warehouse