Industry Classification in Technology Sector

When analyzing companies within the technology sector, it is crucial to classify them accurately to derive insights about their growth potential and market dynamics. In this context, you are tasked with identifying the correct methodology used for classifying companies in the technology industry. Industry classification not only assists in performance benchmarking but also helps in sectoral analysis during investment assessments.

Consider the following method of categorization: "Companies that focus on producing hardware components, developing software solutions, and offering IT services." Based on this description, which industry classification methodology best aligns with these characteristics?