Riordan Materials Corporation

What Riordan Materials Corporation does

Riordan Materials Corporation is a privately-held manufacturer's representative firm specializing in water and wastewater treatment equipment, operating from its headquarters in Blue Bell, Pennsylvania. The firm represents over 60 manufacturer brands across the full spectrum of municipal and industrial water infrastructure—covering wastewater treatment and collection, water treatment and distribution, industrial water and wastewater treatment, biosolids treatment and conveying, and storm water management. The represented portfolio includes tier-one principals such as Evoqua Water Technologies (Jet Tech SBR, Davco filtration, Cambridge BioMag, RJ Environmental odor control, VAF), Flygt/Xylem pumping systems, Headworks screening, EDI/Nexom aeration, Dupont/Memcor membrane filtration, Kubota USA membranes, and Franklin Miller grinders, alongside a long tail of specialized manufacturers. None of the equipment is manufactured by Riordan itself; the firm operates as an intermediary providing specification support, sales, and post-installation technical assistance across eastern Pennsylvania, southern New Jersey, Delaware, Maryland, and northern Virginia.

The go-to-market model is sales-led and consultative, with three partners covering distinct geographic sub-territories (Auchenbach in southeastern/south-central PA, Rainier in central Maryland and New Castle County DE, Koloras in central Pennsylvania) supported by an in-house Process & Equipment Technical Support Manager (Donaldson) and an Inside Sales & Projects Manager (Hood). The firm earns commission-based revenue on equipment sales, with each partner's engineering background (two are licensed Professional Engineers, one is a prior process engineer at USFilter Memcor) and active trade association leadership roles (e.g., Auchenbach as President of PWEA) reinforcing relationships with consulting engineers, municipal water authorities, and industrial clients. Founded approximately 1982 (one firmographic source records 1953; the company-history timeline supports 1982 based on a 34-year employee tenure ending in 2016), the company transitioned to its current ownership on July 1, 2016 when three long-tenured partners assumed ownership from prior leadership. The website does not disclose revenue, headcount outside of the named team, or any external funding events.

Note: There is a foundational conflict in the source data on founding year—firmographics state 1953 while the company history timeline indicates approximately 1982, derived from a 34-year tenure ending in 2016. The relationship-driven, slow-growth nature of the manufacturer's representative model, the absence of disclosed revenue or funding, and the lean 9-person team suggest a stable, mature, owner-operated business rather than a high-growth venture.

Name

Riordan Materials Corporation

Legal name

Riordan Materials Corporation

Website

https://riordanmat.com

Company type

Private

Founded year

1982

Operating status

Operating

Headcount range

1–10 employees

Short description

Riordan Materials Corporation is a Blue Bell, PA-based manufacturer's representative firm selling water and wastewater treatment equipment from 60+ brands to municipal authorities, consulting engineers, and industrial clients across the mid-Atlantic U.S.

Ownership category

akta.pro rank

Product category

Water & Wastewater Treatment Equipment Distribution

NAICS

Environmental Consulting Services (54162)

SIC

Water Supply (4941)

akta.pro primary industry

Water, Wastewater & Hydraulics Engineering Consulting (BPAHAIAD)

Keywords

• Water treatment equipment
• Wastewater treatment solutions
• Biosolids processing equipment
• Manufacturers representative services
• Industrial water treatment

Headquarters

HQ city

Blue Bell, PA

HQ country

United States

HQ region

North America

Offices2 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Marketing or Sales, Others

Revenue model

1. Manufacturer's Representative/Commission Sales: As a manufacturer's representative firm, Riordan Materials earns commissions on equipment sales of water treatment, wastewater treatment, odor control, solids handling, pumping, and biosolids processing equipment. They represent multiple manufacturer brands and provide technical support services.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels1 record

Core offering

Riordan Materials Corporation is a manufacturer's representative firm that sells and provides technical support for water and wastewater treatment equipment across five solution categories: wastewater treatment & collection, water treatment & distribution, industrial water & wastewater treatment, biosolids treatment & conveying, and storm water management. The firm represents over 60 manufacturer brands including Evoqua, EDI, Headworks, Flygt/Xylem, and Dupont/Memcor, and provides consultative sales and pre-, during-, and post-installation technical support to consulting engineers, municipalities, and industrial clients in eastern Pennsylvania, southern New Jersey, Delaware, Maryland, and northern Virginia.

Product overview

Riordan Materials Corporation operates as a manufacturer's representative/distributor for water and wastewater treatment equipment, representing over 50 manufacturers across the water treatment industry. The company's portfolio spans five core solution areas: (1) Wastewater Treatment & Collection, (2) Water Treatment & Distribution, (3) Industrial Water & Wastewater Treatment, (4) Biosolids Treatment & Conveying, and (5) Storm Water Management. The product offering includes equipment from manufacturers such as Evoqua Water Technologies (multiple product lines including Jet Tech SBR systems, Davco filtration, Cambridge BioMag), Dupont/Memcor membrane filtration, Flygt/Xylem pumping systems, EDI/Nexom aeration equipment, Headworks screening equipment, Franklin Miller grinders, Kubota USA membranes, and numerous other specialized manufacturers. The company does not manufacture its own products but serves as an intermediary, providing technical sales and support for water infrastructure equipment across eastern Pennsylvania, New Jersey, Delaware, Maryland, and northern Virginia.

Differentiator

Problem solved

Functional benefit

Products and services

• Wastewater Treatment & Collection Solutions Equipment and systems for municipal and industrial wastewater treatment processes, including screening, pumping, biological treatment, and disinfection equipment from represented manufacturers such as Evoqua, Headworks, Franklin Miller, and Kubota, sold to municipalities and consulting engineers with technical support before, during, and after installation.
• Water Treatment & Distribution Solutions Equipment for drinking water treatment and distribution including membrane filtration (Dupont/Memcor, Kubota USA), conventional filtration systems, cartridge filters, disinfection equipment, and chemical feed systems, supplied to municipal water authorities and consulting engineers across the mid-Atlantic region.
• Industrial Water & Wastewater Treatment Solutions Treatment systems for industrial applications including dissolved air flotation (FRC Systems, Tenco-Hydro), food and beverage waste treatment (Evoqua/Cambridge BioMag), metal finishing treatment, and physical-chemical treatment, supplied to industrial facility buyers with consultative sales and technical support.
• Biosolids Treatment & Conveying Solutions Equipment for sludge and biosolids processing including aerobic and anaerobic digestion equipment (CB&I ATAD Systems), conveyors (Charter Machine, SPIRAC), sludge dewatering equipment (Flottweg Centrifuge, Charter Machine Belt Filter Press, Ishigaki Screw Press), and pumping systems (Flygt/Xylem), supplied to municipal wastewater plants and industrial facilities.
• Storm Water Management Solutions Combined sewer overflow (CSO) treatment and screening equipment including GNA CSO Flushing Gates and pumping systems (Flygt/Xylem CSO Pumping Systems) for storm water management, supplied to municipal authorities in the mid-Atlantic region.

Named customers4 records

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Partnerships

14 partnerships are on record, tiered core, major and minor.

• Evoqua Water TechnologiescoreTechnology or IntegrationEvoqua is a key manufacturer partner representing multiple product lines including Jet Tech SBR systems, Davco treatment plants, Davis products, RJ Environmental odor control, and VAF filtration systems. Evoqua products are featured prominently in Riordan's case studies.
• EDI, A Nexom BrandcoreTechnology or IntegrationEDI provides coarse, medium, and fine bubble diffusers for aeration systems. Featured in Gloucester County Utilities Authority case study showing significant energy savings.
• Headworks Bio / Headworks InternationalcoreTechnology or IntegrationHeadworks provides bar screens, fine screens, spiral screens, and MBBR/IFAS systems. Featured in Coatesville Headworks Mahr Bar Screens case study.
• Flygt/XylemcoreTechnology or IntegrationFlygt provides submersible pumps, mixers, and CSO pumping systems. Mentioned in Brodhead Creek case study.
• Dupont/MemcorcoreTechnology or IntegrationDupont Memcor provides membrane bioreactor (MBR) and membrane filtration systems. Featured in Bloomfield Borough Water Authority case study.
• AmwellmajorTechnology or IntegrationAmwell provides chain and flight collectors, flocculators, clarifiers, skimmers, trickling filter equipment, and telescoping valves for water and wastewater treatment.
• CB&ImajorTechnology or IntegrationCB&I provides ATAD systems, egg-shaped digesters, gas holders, gravity underdrains, iron & manganese removal equipment, and package treatment plants.
• NexommajorTechnology or IntegrationNexom (also operating as EDI, A Nexom Brand) provides filtration, lagoon systems, and MBBR & IFAS technologies.
• Franklin MillermajorTechnology or IntegrationFranklin Miller provides automatic barscreens, grinders, macerators, and spiral screens for wastewater screening applications.
• OvivomajorTechnology or IntegrationOvivo provides circular clarifiers, coarse and medium bubble diffusers, gravity underdrains, and prethickened aerobic digestion systems.
• Water Environment Federation (WEF)minorOthersRiordan Materials is an active member of WEF, participating in industry events and networking through this trade association.
• American Water Works Association (AWWA)minorOthersRiordan Materials is an active member of AWWA and its state sections (PA-AWWA, Southeastern Section AWWA Operators Association).
• Manufacturers Agents of North America (MANA)minorOthersRiordan Materials is a 30-year member of MANA, a trade association for manufacturer's representatives.
• Philadelphia Chamber of CommerceminorOthersRiordan Materials is a member of the Philadelphia Chamber of Commerce.

Scale indicators1 record

Recent moves6 records

Expansion highlights8 records

Emerging players

• Headworks International: Manufacturer of headworks screening, MBBR/IFAS biological treatment, and grit removal equipment. Core principal partner for Riordan Materials and a comparable emerging player competing in the same process areas with direct sales and global EPC contractors.
• Smith & Loveless: Manufacturer of wastewater treatment equipment including package plants, lift stations, headworks, and treatment systems. Comparable as an emerging equipment player in the same categories that Riordan Materials represents, often specified on the same municipal projects Riordan supports through other principals.
• Ovivo: Manufacturer of water and wastewater treatment equipment including clarifiers, aeration, and biological treatment systems. One of Riordan Materials' represented principals, but also a comparable emerging player competing in adjacent equipment categories through its own direct sales force.
• Sulzer (JWC Environmental): Sulzer acquired JWC Environmental, a manufacturer of screening, grinding, and solids-handling equipment for wastewater headworks — overlapping with several brands Riordan represents (Franklin Miller, Headworks, SPIRAC). Comparable as an equipment manufacturer competing for specification on the same municipal projects.

Others

• Water Online / WaterTech Online: Industry news, technical resource, and buyer-discovery platform for water and wastewater professionals. Not a direct competitor but an ecosystem participant used by the same consulting engineer and municipal buyer base that Riordan Materials targets.
• American Water Works Association (AWWA): The leading international nonprofit scientific and educational association for the water sector. Riordan Materials is an active member; AWWA is an ecosystem participant that shapes standards, specifications, and buyer access for the municipal water market where Riordan competes.

Direct peers

• Pollard Water: Distributor and supplier of water and wastewater equipment, repair parts, and infrastructure products to municipalities and utilities. Comparable to Riordan Materials in targeting the same end customers (water authorities, WWTP operators, consulting engineers) with overlapping categories including pumps, screening, and process equipment.
• USA BlueBook: The largest distributor of water, wastewater, and plumbing maintenance supplies in North America, serving municipalities, utilities, and contractors with a comparable buyer base to Riordan Materials. Both firms act as procurement intermediaries for water/wastewater equipment, though USA BlueBook is a stocking distributor while Riordan operates on a commission-based rep model.

Broad incumbents

• Xylem: Global water technology company and one of Riordan Materials' key principals (via Flygt/Xylem pumping systems). Comparable as a broad incumbent in the same equipment categories Riordan sells, but operating at vastly larger scale with direct sales forces, in-house manufacturing, and digital service offerings that compete with the independent-rep model.
• Veolia Water Technologies & Solutions: Global provider of water and wastewater treatment equipment, chemicals, and digital services. Comparable as a broad incumbent competing for the same municipal and industrial customers as Riordan Materials, but with direct sales, EPC capability, and proprietary technology platforms across the full treatment stack.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/riordan-materials-corporation

Revenue estimate

Valuation estimate

Number of profiles

Profiles5 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Riordan Materials Corporation