Sulzer delivers independent, multi-OEM lifecycle services that help gas turbine operators enhance reliability, extend asset life, and optimize maintenance costs.
📍 Headquarters: Winterthur, Switzerland
👷 Employees: 14,000
💰 Revenue: $12B
Overview
Sulzer, founded in 1834 as a foundry and engineering firm in Winterthur, Switzerland, has evolved into a global leader in fluid engineering and rotating equipment services, entering the gas turbine sector through strategic expansions and acquisitions like the 2010 purchase of Siemens’ gas turbine service business. Today, it stands as a prominent independent service provider (ISP) specializing in inspection, repair, overhaul, and maintenance for industrial and aeroderivative gas turbines.
Core Capabilities
Sulzer offers tailored solutions including rotor repairs, high-speed balancing, coatings (TBC, MCrAlY), component manufacturing, control system upgrades, and field services like borescope inspections and major outages.
They emphasise flexible repairs, lifetime assessments, laser weld repairs, and maintenance contracts/LTSAs to extend asset life and improve performance.
Fleet Expertise
Focus includes legacy Rolls-Royce aeroderivatives (SGT-A20 Avon, SGT-A35 RB211, Olympus), Pratt & Whitney GG4/FT4, power turbines (SK30, RT series), and heavy-duty frames like 501F, with support for all makes/models globally.
Major facilities like the Houston Service Center (260,000 sq ft) handle large rotors, coatings, and testing for power, oil & gas, and industrial applications.
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