Riordan Materials represents a long list of High Quality Products available from some of the leading Manufacturers in the industry. Our territory reaches throughout the Mid Atlantic Region including Delaware, D.C., Maryland, New Jersey and Pennsylvania.

The following products are available from our Pennsylvania location, which markets in the Eastern Pennsylvania, Southern New Jersey and Northern Delaware Regions.

PA Line List (PDF File)           PA Product List (PDF File)

The following products are available from our Maryland location, which markets in the Southern Delaware and Maryland Regions.

MD Product List (PDF File)

Our Overall Line list is quite extensive as your will see from this long list. You may click on any of the blue manufacturers and be linked to their websites for more information about their products.

Amwell - Clarifier Mechanisms

Ashbrook Corp. -Belt Presses, Thickeners

Brentwood Industries - Bio-media, Tube Settlers

CBI Walker -Claricone Clarifiers, ATAD, Egg Shaped Digesters

Columbian TecTank Company - Bolted Steel Tanks

DEI Systems, Inc. - Tank Covers (low profile, dome and flat), Odor Control

E & I -Clarifiers, Grit Removal Equipment, Flocculators

EDI -Aeration equipment

Environmental Fabrics, Inc. - Baffles, Liners, Fabric Covers.

Engineered Fluids, Inc. (EFI) - Factory Built Water Booster Pump Stations, Valve & Meter Vaults

ENVIROQUIP/EIMCO (of Austin, TX) - Aerobic Digestion, Clarifiers, Filter Underdrains, BNR

Eutek - Grit Removal and Grit Thickening Systems

Ford Hall Company - Algae Sweep System

Franklin Miller - Solids Reduction Systems (Grinders & Comminutors)

Geodome, Inc. - Aluminum Covers

Headworks, Inc. - Screening Technologies

ITT Flygt Corp. - Submersible Pumps and Mixers

JDV - Shaftless Screw Conveyors, R. B. Carter digester covers and digester mixers, gasholders, screens

Merit Filter Corporation - Merit Filter Media Sludge Dewatering System

Miox Corporation - Mixed Oxidant Disinfection

Mitsubishi Electric Power Products - Ozone Generators

Penn Valley Pumps - Double Disk Positive Displacement Pumps (PA ONLY)

RDP Technologies, Inc. - Biosolids Stabilization Processes, Tekkem Lime Slaker Systems, Cambi Class A Digestion Process

Tenco-Hydro - DAF Systems, package industrial wastewater treatment systems, including metal finishing wastewater treatment systems

Siemens/Davco - Factory Built and Field Erected WWTPs, Clarifiers, Sand Filters, Spider Disc Filter and Sludge Driers

Siemens/General Filter - General Filter, Microfloc, and CPC

Siemens/Jet Tech - SBRs, ATADs, Jet Aeration Systems

Siemens/Memcor - Membrane Filtration, Membrane Bioreactors (MBR)

Siemens/RJ Environmental - Davis - Odor Control, AlkaPro System, Scrubbers

Siemens/W&T - UV Systems

Siemens/Zimpro - Hydroclear Sand Filters, Inclidned Plate Settlers, Rotor Aerators, Screw Pumps, Inclined IFAS Systems

Wagner Fluid Systems - Packaged water and Wastewater Treatment Systems

Westfalia Separator, Inc. - Centrifuges and Thickeners