Testing, Inspection, and Certification Market (By Service Type: Testing, Inspection, Certification; By Sourcing Type: In-house, Outsourced; By Application: Consumer Goods & Retail, Agriculture & Food, Chemicals, Infrastructure, Energy & Power, Education, Government, Manufacturing, Healthcare, Mining, Oil & Gas and Petroleum, Public Sector, Automotive, Aerospace & Defense, Supply Chain & Logistics, Others) - Global Industry Analysis, Market Size, Opportunities and Forecast 2021 - 2028