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

Amphidrome - Biological Filters

Ashbrook Corp. -Belt Presses, Centrifuges, Thickeners

CBI Walker -Claricone Clarifiers, ATAD, Egg Shaped Digesters

CBI Walker

Chlortainer - Chlorine Containment Systems

Clarifiers, Inc. - LA-EDI Clarifier Dissipating Inlet

CST Storage/MASSI - Glass Lined & Bolted Steel Tanks

Cook Legacy Screens - Water Intake Screens

E & I Clarifiers, Grit Removal Equipment, Flocculators

EEE Aerators - Floating Aerators and Mixers

Environmental Dynamics Inc (EDI) - Aeration Equipment, Floating Diffuser Systems, Lagoon Treatment Systems

Enpro - Chemical Feed & Storage Systems, Polymer Feed Systems

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

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

Flygt/Xylem - Submersible Pumps & Mixers, Pump Station Accessories, Godwin Backup Pump Systems

Ford Hall Company - Algae Sweep System (not in NJ)

 Franklin Miller - Solids Reduction Systems (Grinders & Comminutors) (not in NJ)

 Fresh Creek Technologies, Inc. – Stormwater and CSO Treatment

GEA 2H - Trickling Filter Media, Tube Settler Systems

Glasco UV - UV Disinfection Systems

Headworks, Inc. - Screening Technologies

Headworks Bio - MBBR & IFAS Treatment Technologies

Jash Engineering - Water Control Gates & Valves

Layne Christensen - Membrane Bioreactor Systems

Merit Filter Corporation - Merit Filter Media Sludge Dewatering System

Midwestern Fabricators - Fiberglass Covers, Troughs, Weirs, Ducts, Odor Control Systems

Mitsubishi Electric Power Products - Ozone Generators

Noreva - Nozzle Check Valves

Ovivio (Enviroquip of TX) - BNR Process (SYMBIO), Aeration & Digestion Equipment, Stainless Steel Clarifiers, Bar Screens

PHI, Inc. - Pulsed Hydraulics Mixing Systems

Piller TSC - Single Stage Blower

PSI Microclor - Onsite Sodium Hypochlorite Generation, Tank Shark Tank Mixing System (PA Only)

Rainbird - Inline Cartridge Filters & Separators

S&N Airoflo - Floating Brush Rotor Aerators

Sanitherm - Flat Plate Package MBR Systems

Seccua – Package Water Membrane Systems

Siemens/Cambridge - BioMag Ballasted Biological Treatment Systems & CoMag Particulate Removal System

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

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

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

Siemens/RJ Environmental

Siemens/ Davis - Odor Control, Scrubbers

Siemens/W&T - UV Systems

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

Tenco-Hydro - DAF Systems, Package Industrial Wastewater Treatment Systems, Including Metal Finishing Wastewater Treatment Systems

Therma-Flite, Inc. - Automated Indirect Sludge Driers

UV Pure - UV Water Purification Systems

Wagner Fluid Systems - Packaged Water and Wastewater Treatment Systems