Input-Output Industry Codes (IOIC), 2009
BS540 - Professional, scientific and technical services
| Code | Link 1961 level |
|---|---|
| BS541C0Legal, accounting and architectural, engineering and related services | Legal, accounting and architectural, engineering and related services |
| BS541D0Computer systems design and other professional, scientific and technical services | Computer systems design and other professional, scientific and technical services |
| BS54180Advertising, public relations, and related services | Advertising, public relations, and related services |
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