Pipelines companies

Aliaxis is a company that designs, manufactures, and distributes piping systems.

Henan Lantian Gas (河南蓝天燃气股份有限公司) is a company that provides natural gas transportation and sales services.

Azuria Water Solutions (formerly known as Aegion) is a provider of infrastructure maintenance technologies.

Friedrich Vorwerk Group is a company that provides energy transition and infrastructure solutions in the natural gas, electricity, hydrogen, and other markets.

Gunung Raja Paksi (GRP) is a company that manufactures and sells steel and iron products.

SKK Holdings is a civil engineering service provider that specializes in subsurface utility works.

Donghong is a company that manufactures pipeline systems.

Genuit Group (formerly known as Polypipe Group) is a company that provides sustainable water and climate management solutions for the built environment.

Erbosan Erciyas Boru Sanayii ve Ticaret (ERBOSAN) produces welded steel black and galvanized water and gas pipes, square and rectangular hollow sections, industrial tubes, and low pressure boiler and steam pipes.

Tallinna Vesi is a water utility company, which produces, treats, and distributes water for homes and businesses in Estonia.

NuStar GP Holdings engages in the transportation of petroleum products and anhydrous ammonia, the terminalling, and storage of petroleum products and the marketing of , products.

Channel Infrastructure NZ (formerly known as Refining NZ) is an oil refinery.