Chapter 44 provides benchmarks for trade services companies. The 16 respondents in the sample range in size from a minimum of $50 million to over $40 billion in annual revenue. This subsector includes specialty contractors, oil field services providers, mining services companies, environmental services firms, and other businesses offering skilled trade services.

Chapter 41 provides benchmarks for professional services organizations. The 28 respondents in the sample range in size from a minimum of about $50 million to about $40 billion in annual revenue. This subsector includes firms that provide professional services, including legal, accounting, financial advice, consulting, marketing, and other services. 

Chapter 37 provides benchmarks for oil and gas producers and midstream distributors across all organization sizes. The 17 respondents in this sector include integrated energy companies, upstream exploration and production companies, natural gas companies, pipeline operators, and other energy and utilities companies. The companies in our sample range in size from a minimum of about $50 million to more than $300 billion in annual revenue.