First In Service OÜ maintains the highest international certifications for quality, welding, structural steel, environmental management, and pressure equipment manufacturing. These certifications are independently audited and renewed regularly.
Systematic quality management across all operations. Our quality management system ensures consistent product quality, customer satisfaction monitoring, and continuous improvement throughout every manufacturing process — from initial design review through final inspection and delivery.
Certified environmental management system minimising the impact of our manufacturing operations. Active programmes for waste reduction, chemical safety, emissions control, and efficient use of natural resources across our 18,000 m² production facility.
Comprehensive quality requirements for fusion welding of metallic materials. This certification covers our complete welding operations including processes 135/136 (MIG/MAG), TIG, and SAW with penetration welding capability up to 100 mm. Our welders are individually qualified and regularly re-certified. Materials covered include carbon steel, stainless steel, duplex, super duplex, titanium, Inconel, and Hastelloy.
Execution of steel structures and aluminium components to European structural standards. This certification qualifies us to manufacture load-bearing structural components for construction, industrial, and infrastructure applications with full documentation and traceability.
EU conformity assessment for pressure equipment and components. We manufacture pressure vessels, piping, and pressure-bearing components with complete PED documentation packages including material certificates, welding procedure specifications (WPS), welder qualifications, NDT reports, and pressure test certificates.