North America Strategy Consulting Market Size, Share, Competitive Landscape and Trend Analysis Report, by Service Type (Corporate Strategy, Business Model Transformation, Economic Policy, Mergers and Acquisitions, Organizational Strategy, Functional Strategy, Strategy and Operations, Digital Strategy), by Organization Size (Large Enterprises, Small and Medium-sized Enterprises), by Industry Vertical (IT and Telecom, BFSI, Energy and Utilities, Healthcare and Pharma, Manufacturing, Government and Public Sector, Retail and Ecommerce, Others): Opportunity Analysis and Industry Forecast, 2021-2031