I believe he was referring to "Professional and technical services". This is a general category that includes legal advice and representation; accounting, book

I believe he was referring to "Professional and technical services". This is a general category that includes legal advice and representation; accounting, bookkeeping, and payroll services; architectural, engineering, and specialized design services; computer services; consulting services; research services; advertising services; photographic services; translation and interpretation services; veterinary services; and other professional, scientific, and technical services. https://data.bls.gov/cew/apps/bls_naics/v3/bls_naics_app.htm#tab=search&naics=2022&keyword=54&searchType=titles&fromHier=true&filter=nothing&sort=text_asc&resultIndex=0 https://data.bls.gov/cew/apps/bls_naics/v3/bls_naics_app.htm...