Global Fitness for Service Market Size, Share, Growth Analysis By Service Type (Non-destructive Testing (NDT), Engineering Critical Assessment (ECA), Remaining Life Assessment (RLA), Fitness For Purpose (FFP) Assessment), By End-use (Oil & Gas, Chemicals and Petrochemicals, Power Generation, Refining and Midstream, Others), By Region and Companies - Industry Segment Outlook, Market Assessment, Competition Scenario, Statistics, Trends and Forecast 2025-2034