Engineering, Procurement, and Construction Management (EPCM) Market By Type (Engineering Services, Procurement Services, and Construction Management Services), By Contract Type (Lump Sum Turnkey, Cost Plus Fee, Guaranteed Maximum Price, Unit Price Contracts, and Time and Materials Contracts), By Project Size (Small-Scale Projects, Medium-Scale Projects, and Large-Scale Projects), By End-Users (Oil & Gas, Mining, Infrastructure, Power & Energy, and Chemical), Industry Analysis, Size, Share, Growth, Trends, and Forecasts 2025-2032