As a reliable, professional supplier, AGRU offers everything from semi-finished products through to technologically optimised injection moulded fittings, all from a single source. Founded back in 1948 by Alois Gruber senior in Austria, nowadays the company is one of the world‘s most important single-source suppliers for high-quality piping systems, semi-finished products, concrete protection liners and lining systems made from engineering plastics. With its expertise in producing engineering plastics components and developing tailored solutions, AGRU is present in virtually every sector of industry.

ENDOT EndoPure: On the outside, it's blue, color coded to support the industry color coding standards. On the inside it's completely natural; only the purest polyethylene, making it; Lead Free, Chlorine Free and Solvent Free. EndoPure comes ENDOT sealed with our special crimping process to ensure that it remains contaminate free, Guaranteed. For your next project, make it ENDOT EndoPure...and make it as perfect as possible.

ENDOT Industries backs EndoPure with a certificate of purity in addition to a Lifetime Warranty, including the most liberal cost of replacement provisions.

The Dow Chemical Company
The Dow Chemical Company

Dow's industry-leading portfolio of polyethylene (PE) resins for Pipe and Irrigation provides opportunities for advantaged long-term performance, efficient processing and installation, and - in many cases - reduced overall costs. In addition to technologically advanced materials, customers around the world depend on Dow for solid answers to their specific needs; "24/7" technical service; hands-on assistance with evaluation, testing, and analysis; and an ongoing commitment to R&D and innovation.

INEOS is a global manufacturer of petrochemicals, specialty chemicals, and polymers. Its vertically integrated production network is comprised of 18 business, spans 67 sites in 16 countries throughout the world. INEOS has been a global leader in high density polyethylene pressure piping markets for over 40 years, providing experienced technical support to these markets. INEOS's full portfolio of industry-recognized HDPE resins deliver superior physical property performance and offer ideal solutions for municipal water applications.

Equistar Chemicals (Lyondell Basell)
Equistar Chemicals (Lyondell Basell)
LyondellBasell is the world's third-largest chemical company. Our vertically integrated facilities, broad product portfolio, manufacturing flexibility, superior technology base and reputation for operational excellence enable us to deliver exceptional value to our customers across the petrochemical chain. Customers choose our resin in municipal water and sewer pressure pipe applications for excellent processing, melt strength and dimensional stability, superior chemical and corrosion resistance, low total installed cost, and durable, leak-free system performance.

Flying W Plastics Inc
Flying W Plastics Inc.
Flying W Plastics is a West Virginia-based manufacturer of polyethylene pipe products for water, gas, oil, sewer, geothermal, and conduit applications. We maintain our own fleet of trucks to provide our customers throughout the United States and Canada with prompt and cost-efficient shipping and logistics support.

Pipeline Plastics LLC
Pipeline Plastics LLC
Pipeline Plastics is a premier manufacturer of PE4710 pressure pipe designed to last for generations, leak-free with fusion joining, for water distribution and transmission, as well as other industrial and energy market applications. With multiple new and advanced manufacturing sites in the US, we have earned a reputation for top tier service and quality.

WL Plastics
WL Plastics
WL Plastics Corporation manufactures high performance High Density Polyethylene (HDPE) pipe and related products for the oil, gas, mining, industrial and municipal water markets. With U.S. and Canadian locations WL Plastics is one of the largest manufacturers of polyethylene pipe in North America.
WL is committed to essential business fundamentals that enable us to serve our customers better:
The latest, state-of-the-art manufacturing extrusion equipment, Strict quality control standards, Timely and concise customer communication, On-time delivery, Competitive prices

Infra Pipes Solutions LTD.
Infra Pipe Solutions (IPS)
Infra Pipe Solutions (IPS) is a leading manufacturer of large diameter High Density Polyethylene (HDPE) pipe and structures, known by the branded products: Sclairpipe® and Weholite®.

McElroy Manufacturing

McElroy Manufacturing
Founded in 1954, McElroy Manufacturing is the leading manufacturer and innovator in the science of joining thermoplastic pipe. The name McElroy is recognized as the most reliable, efficient, rugged and technically-advanced fusion equipment in the world. The company credits its marketplace leadership to an unyielding focus toward excellence.

American AVK Company

American AVK Company
American AVK is a leading US manufacturer of gate valves and fire hydrants for the water distribution industry. AVK was one of the first valve manufacturers in the world to introduce the resilient-seated gate valve and the only manufacturer with fusible gate valves and hydrants specifically designed for HDPE systems.

GF Central Plastics

GF Central Plastics
Georg Fischer Central Plastics (GFCP) has provided HDPE solutions to the world for over 40 years. As North America's most complete and largest supplier of PE fittings, GFCP manufactures molded parts, custom fabricated fittings and assemblies as large as 63" in diameter. GFCP steel to PE transitions are without parallel.


The Harrington Corporation (HARCO Fittings) is based in Lynchburg, VA and was founded over 50 years ago. Today we make fittings for the Water & Industrial markets, supporting our distributor customers at 4 locations spanning North America in both the East and West. We have continued to expand our capabilities in both injection molded and fabricated HDPE fittings increasing our size and scope with the industry.

Repair the past. Connect the future.
Hymax a Mueller Brand
HYMAX GRIP® reliably joins and restrains a wide range of piping types and diameters with unmatched ease.
Robar Industries
Robar Industries
As a leading coupling manufacturer, Robar Industries has been designing and producing a wide variety of cast and fabricated fittings for municipal distribution of water and wastewater for over 60 years. Robar’s foundry creates parts primarily for the waterworks and piping industries. Some of our key products and services include: Couplings, Repair Clamps, Tapping Sleeves, Service Saddles and Expansion Joints
Integrity Fusion

Integrity Fusion
Integrity Fusion Products is a leading manufacturer of IntegriFuse brand HDPE Fittings. Integrity manufactures a full line of molded HDPE Butt Fusion fittings, Poly Ball Valves, and Transition Fittings in the USA. In addition, Integrity offers electrofusion fittings up to 63". Integrity Fusion continues to develop innovative solutions such as fully pressure rated Molded Lateral Wyes, Molded Reducing Tees, & Molded Crosses to complement their extensive portfolio of HDPE solutions. Integrity manufactures an impressive FM Approved line of both Molded and Electrofusion fittings, meeting FM 200, FM 250 and FM 335.

Improved Piping Products, Inc.®
Improved Piping Products, Inc.®
Improved Piping Products, Inc.® (IPP) is a leading manufacturer for your HDPE connection needs, with a full line of straight-line HDPE pipe fittings and the IPP Deltaflex® backup ring from 1/2" to 63". IPP’s products are the most reliable and durable on the market, backed up by IPP’s ongoing, in-house quality assurance testing.


Strongbridge LLC
Strongbridge is a frequent sponsor and participant in Alliance roadshow events across North America. Strongbridge offers a market-leading array of electrofusion fittings, including the largest range of sizes to 63” and pressure classes to 460psi. In addition, with an ever-growing lineup of molded butt fusion fittings, HDPE valves and custom fitting design capabilities, Strongbridge provides a complete package of solutions to meet unique project specific demands. Strongbridge also supports the polyethylene piping industry with an extensive selection of heavy-duty installation tooling and accessories. Learn more at

Modern Dispersions (MDI)
Modern Dispersions (MDI)
MDI is a leader in Black Masterbatch. Modern Dispersions is a thermoplastics compounder and masterbatch manufacturer. MDI is known for providing the best value and highest quality carbon black masterbatches in the market. MDI also specializes in conductive concentrates and compounds, wood polymer composites, and a wide variety of color, specialty, and additive products, engineered to meet your needs. Their masterbatch is used by Alliance pipe manufacturers when they extrude HDPE pipe.

Footage Tools has taken great pride in providing quality products and service to our many customers throughout the world.Founded in 1982, Footage Tools has taken great pride in providing quality products and service to our many customers throughout the world. Our modern manufacturing facility incorporates the latest CNC technology to ensure Footage Tools' engineered products deliver the highest level of performance and long service life.

Krauss-Maffei: system expertise in pipe extrusion.
We supply machines and systems for producing plastic pipes in the diameter range of 5 to 2500 mm. Double and single-screw extruders and pipe heads are the core piece of each system; our product portfolio covers all automation components. Aside from that we offer systems to increase cost-effectiveness and to reduce material costs (e.g. QuickSwitch, IPC). We provide also systems for production of complex special and standard pipes.
R&L Manufacturing

R&L Manufacturing
R&L Manufacturing Inc. is a three-generation family owned and operated thermoplastic pipe tooling company. Located in the small town of Camas, Washington USA. Our products include; the Bead Trimmer, the External LD Bead Trimmer, the Pneumatic Bead Trimmer, and the Mega-Large Series 2 Bead Trimmer. Our tools and their uses areas thematic as our slogan; "It's all about efficiency".

Pipestar International Inc.

Pipestar International Inc.
The original impetus for developing a seamless long radius HDPE Bend came from the mining sector. Mining companies were looking for a fitting that would stand up to the harsh operating conditions created by their slurry lines. Seamless High Density Polyethylene Bends with smooth interiors was the answer. ARC™ seamless HDPE Bends proved to be not only longer lasting than traditional fittings (including tradition HDPE mitred fittings) but their smooth interiors meant that head losses were minimized.

Nupi Americas

Nupi manufactures pipeing systems for plumbing. The primary goal of Nupi Industrie Italiane S.p.A. corporate strategy is not only the production of systems that meet performance requirements and compliance with the use for which they are intended, but above all general customer satisfaction.


A.H. McElroy, Canada

CMF Global

Colorado Springs Winwater

Consolidated Pipe & Supply

Cooper Supply, Ft. Worth/Coleman/Corpus Christi, TX

Core & Main

ICONIX Waterworks

EJ Prescott

EMCO Corporation, Canada

Engineered Pipe Group

Etna Supply, Michigan

Ferguson Industrial-National

Forrer Supply, San Antonio, TX  

Fortiline, Inc.

Fuse It

Fusion Support Services, LLC, St. Louis

Future Telecom

F.W. Webb

Gajeske, Inc.

HD Fowler

High Country Fusion

Industrial Municipal Supply

Industrial Sales

IMSCO, Geismar, Louisiana

ISCO Industries

Lee Supply, Charleroi, PA

Maskell Pipe & Supply

Miami Int'l Machinery & Equipment
Milford Pipe Supply Company

Milford Pipe Supply Company


Northwest Pipe Fittings

P&F Distributors

Pacific Pump and Power

R&B Company 

Rainmaker Sales, Shawnee, OK

Sandale Utility Products, Canada

Scarborough Supply


The Fusion Group-Canada

The Shaw Group-National


Waterworks Specialties, Inc.

Water Works Supply CO., Inc.

Wolseley US

Acuren Group

Albuquerque Underground

Alex Paris Contracting

B&F Contracting  
Corby Energy
David Mancini and Sons, Inc.

Feeney Brothers Excavation LLC

Great Lakes Fusion
Green Hill Mechanical

Inland Pipe Rehabilitation

ITS (Innovative Trenching Solutions)

Killebrew, Incorporated

KLE Construction
Kmetz Inc.

Layne, national

Leak Eliminators

Mocon Corp

Murphy Pipelines, national


South State Inc

Ted Berry Company
United Rental Pump Solutions  
Varcon Construction
Professional Firms and Other

AM Trenchless, Alan Ambler

Bryan Hauger Consulting

Chris Lyne Consultants


City of Casselberry, FL

FGE Engineering, Inc.

HDPE Solutions, Chris Kunze

Nigel Peach, CENG  

Palermo Plastics Pipe

Plastic Pipe Associates, LLC
Plastic Pipe Institute
PolPlas Services
Professional Pipe Services ProPipe
Project Engineering Consultants

Toughwater-Fishburne Pipeline, PLLC

Trenchless Solutions

WSS Consulting