Welcome to Marshall Fowler, one of the leading boilermaker companies in Gauteng, proudly serving industrial, commercial, and municipal clients since 1974.
Marshall Fowler has deep roots in the boiler industry. Founded in partnership with the UK parent company in 1974, we began manufacturing electrode steam and hot-water boilers under licence. By 1980, we had established our own factory in Randfontein, Gauteng. Over the decades, our product range has expanded to include:
Electrode steam generators (10 kW to 3.5 MW)
Electrode hot water boilers
Shell-type Windsor steam and hot water boilers
Steam conditioners, heat exchangers, calorifiers, pressure vessels
Our factory boasts 1 430 m² of manufacturing space, equipped with 6 t and 10 t overhead cranes, and a team certified to ISO?3834-Part 2. We are proudly headquartered in Randfontein, Gauteng, and remain market-leaders in South Africa for electrode boilers.
Our expertise covers the full lifecycle of boiler systems:
Manufacture – All boilers built to strict QA standards, using CNC plasma cutting, press-brake bending, and integrated controls.
Installation – Managing site work, pipelines, electrical control panels, insulation and cladding.
Service & Statutory Inspections – 12- and 36-month inspections, repairs, maintenance, and compliance.
Water Treatment & Ancillary Equipment – Including calorifiers, feed water tanks, inline heaters and steam conditioners.
Marshall Fowler boilers are trusted across Gauteng and Southern Africa in sectors such as:
Healthcare & Hospitals – Reliable steam generation for sterilisation and heating.
Food Processing & Abattoirs – Hygienic hot water and steam systems.
Mining & Minerals – Heavy-duty boilers built to endure harsh environments.
Textiles, HVAC & Agriculture – Precise steam and humidity control.
Celebrating our 50th year in 2025, Marshall Fowler stands on decades of innovation and local expertise.
Our team includes coded welders certified to EN/ASME standards, boiler inspectors, and qualified boilermakers and service technicians.
From electrode to shell-type boilers, steam conditioners, calorifiers and pressure vessels, every solution is tailored in-house to meet your exact requirements.
We ensure full compliance with statutory inspection, ongoing maintenance and rapid repairs—minimising downtime and protecting your investment.
Looking for a top boilermaker company in Gauteng? Contact Marshall Fowler today:
Factory & Offices: Randfontein, Gauteng
Phone: +27 11 412 1130
Email & Enquiries: via our website contact page
Marshall Fowler leads the way in electrode and shell-type boiler manufacturing, installation, and service, backed by half a century of excellence. Whether your project is industrial, commercial, or municipal, trust the go-to boilermaker company in Gauteng.
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Let Marshall Fowler be your reliable partner for quality, compliance, innovation, and local support in every boiler solution.