# Professional services: What the whole chain draws on

Audit, tax, legal, consulting and engineering design firms selling expert judgement

Source page: https://www.materialinsights.org/industries/professional_services/materials/

#### What the whole chain draws on

Every commodity, chemical and energy tile named by the enterprises above; ×n shows how many of them depend on it. Open any tile for its full detail.
**Commodities (3)**[Cem Cement](https://www.materialinsights.org/commodities/cement/)[St Steel](https://www.materialinsights.org/commodities/steel/)[Al Aluminium](https://www.materialinsights.org/commodities/aluminum/)**Chemicals (1)**[HFC Fluorochemicals and refrigerants](https://www.materialinsights.org/chemicals/fluoro_intermediates/)**Energy (6)**[Bld Energy in buildings](https://www.materialinsights.org/energy/e_buildings/)×5 [ICE Internal combustion engines and gensets](https://www.materialinsights.org/energy/e_engines/)×2 [DC Data centres](https://www.materialinsights.org/energy/e_data_centres/)[Dist Distribution grids, mini-grids and interconnectors](https://www.materialinsights.org/energy/e_distribution/)[Jet Aviation propulsion](https://www.materialinsights.org/energy/e_aviation/)[HP Heat pumps, air conditioning and refrigeration](https://www.materialinsights.org/energy/e_heat_pumps/)

## Other sections

- [Overview](https://www.materialinsights.org/industries/professional_services/index.md)
- [Where ₹100 goes](https://www.materialinsights.org/industries/professional_services/cost-mix/index.md)
- [Price links with suppliers](https://www.materialinsights.org/industries/professional_services/price-links/index.md)
- [Example story](https://www.materialinsights.org/industries/professional_services/story/index.md)
- [Linked industries](https://www.materialinsights.org/industries/professional_services/linked-industries/index.md)
- [Value chain](https://www.materialinsights.org/industries/professional_services/value-chain/index.md)
- [Chokepoints and risks](https://www.materialinsights.org/industries/professional_services/risks/index.md)
- [Sources](https://www.materialinsights.org/industries/professional_services/sources/index.md)