--- title: "Welding & Prefabrication Services - SEC Grupa | SEC Grupa" description: "Comprehensive welding services and personnel for Oil and Gas, Offshore, Shipbuilding, Steel constructions, and Pipelines." canonical_url: "https://www.secgrupa.com/en/services/welding" locale: en meta: "og:description": "Certified welders, fitters and welding engineers for offshore, shipbuilding and prefabrication." "og:image": "https://www.secgrupa.com/SEC-mark.png" "og:title": "Welding & Prefabrication Services | SEC Grupa" --- > Index of every page on this site: [llms.txt](https://www.secgrupa.com/llms.txt) [Back to Home](https://www.secgrupa.com/en) # **Welding & prefabrication ** Years of experience allow our personnel to provide comprehensive welding discipline services. We provide welding personnel contributing to all stages of industrial projects for Oil & Gas, Onshore, Offshore, Shipbuilding, Steel Structures, and Pipelines, including both blue-collar craftsmen and white-collar inspection engineers. Our highly skilled welding teams, under the direct supervision of certified welding foremen, hold extensive qualifications in welding methods including 111 (MMA), 121 (SAW), 131 (MIG), 136 / 138 (FCAW), 141 (TIG) across a wide range of thicknesses and diameters. ### **Demanding Materials Handled: ** **Carbon steel****Stainless steel****Duplex & Super Duplex****High-alloy steel****6Mo****Cunifer****Aluminium & alloys** ## Available Personnel & Engineering - Welders FCAW / TIG / MMA / MIG / MAG - Pipe & Construction Fitters - Sheet Metal Workers - IWE / IWI Welding Engineers - QC & Inspection Personnel - NDT Operators (VT, MT, PT, UT, RT) ![Welding services on piping prefabrication facility](https://www.secgrupa.com/_ipx/f_webp&q_85&s_600x400/images/services/Welding%20servicies%20on%20the%20piping%20prefabrication%20facility.png) ![Welding services on oil rig platform](https://www.secgrupa.com/_ipx/f_webp&q_85&s_600x400/images/services/Welding%20servicies%20on%20the%20oil%20rig%20platform.png) ## **Trusted us ** - ![Aker Solutions logo](https://www.secgrupa.com/_ipx/h_40&q_85/images/clients/Aker%20Solutions%20logo.svg) - ![Kvaerner logo](https://www.secgrupa.com/_ipx/h_40&q_85/images/clients/Kvaerner%20logo.svg) - ![Konecranes logo](https://www.secgrupa.com/_ipx/h_40&q_85/images/clients/Konecranes%20logo.svg) - ![Westcon Yards logo](https://www.secgrupa.com/_ipx/h_40&q_85/images/clients/Westcon%20yards%20logo.svg) - ![RR Power Projects logo](https://www.secgrupa.com/_ipx/h_40&q_85/images/clients/RR%20Power%20Projects%20logo.png) - ![HMR logo](https://www.secgrupa.com/_ipx/h_40&q_85/images/clients/HMR%20logo.png) - ![STX Finland logo](https://www.secgrupa.com/_ipx/h_40&q_85/images/clients/STX%20Finland%20logo.png) - ![MCE logo](https://www.secgrupa.com/_ipx/h_40&q_85/images/clients/MCE%20logo.svg) - ![Energomontaż Północ Gdynia logo](https://www.secgrupa.com/_ipx/h_40&q_85/images/clients/EMGP%20logo.png) - ![KB Pomorze logo](https://www.secgrupa.com/_ipx/h_40&q_85/images/clients/KB%20Pomorze%20logo.png) - ![Vistal logo](https://www.secgrupa.com/_ipx/h_40&q_85/images/clients/Vistal%20logo.png) - ![Mostostal Pomorze logo](https://www.secgrupa.com/_ipx/h_40&q_85/images/clients/Mostostal%20Pomorze%20logo.png) - ![CRIST Offshore logo](https://www.secgrupa.com/_ipx/h_40&q_85/images/clients/CRIST%20Offshore%20logo.png) - ![Aker Solutions logo](https://www.secgrupa.com/_ipx/h_40&q_85/images/clients/Aker%20Solutions%20logo.svg) - ![Kvaerner logo](https://www.secgrupa.com/_ipx/h_40&q_85/images/clients/Kvaerner%20logo.svg) - ![Konecranes logo](https://www.secgrupa.com/_ipx/h_40&q_85/images/clients/Konecranes%20logo.svg) - ![Westcon Yards logo](https://www.secgrupa.com/_ipx/h_40&q_85/images/clients/Westcon%20yards%20logo.svg) - ![RR Power Projects logo](https://www.secgrupa.com/_ipx/h_40&q_85/images/clients/RR%20Power%20Projects%20logo.png) - ![HMR logo](https://www.secgrupa.com/_ipx/h_40&q_85/images/clients/HMR%20logo.png) - ![STX Finland logo](https://www.secgrupa.com/_ipx/h_40&q_85/images/clients/STX%20Finland%20logo.png) - ![MCE logo](https://www.secgrupa.com/_ipx/h_40&q_85/images/clients/MCE%20logo.svg) - ![Energomontaż Północ Gdynia logo](https://www.secgrupa.com/_ipx/h_40&q_85/images/clients/EMGP%20logo.png) - ![KB Pomorze logo](https://www.secgrupa.com/_ipx/h_40&q_85/images/clients/KB%20Pomorze%20logo.png) - ![Vistal logo](https://www.secgrupa.com/_ipx/h_40&q_85/images/clients/Vistal%20logo.png) - ![Mostostal Pomorze logo](https://www.secgrupa.com/_ipx/h_40&q_85/images/clients/Mostostal%20Pomorze%20logo.png) - ![CRIST Offshore logo](https://www.secgrupa.com/_ipx/h_40&q_85/images/clients/CRIST%20Offshore%20logo.png) ## **Call us directly now** **and let’s build your project together** [+48 603 085 610](tel:+48603085610) [Write to us](https://www.secgrupa.com/en/contact) ```json {"@context":"https://schema.org","@graph":[{"@id":"https://www.secgrupa.com/en#website","@type":"WebSite","description":"SEC supplies top-class specialists to accelerate your projects, prevent delays and achieve desired quality. 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