This section contains the following:
| HCOTEG10770 | Oils Team |
| HCOTEG10780 | Solicitors Office |
| HCOTEG10790 | Risk and Intelligence Service |
| HCOTEG10800 | Large Business Service (LBS) |
| HCOTEG10810 | Local Compliance (LC) |
| HCOTEG10820 | The Mineral Oils Reliefs Centre (MORC) |
| HCOTEG10830 | The Oils Unit of Expertise (UoE) |
| HCOTEG10850 | Detection Road Fuel Testing Units (RFTU) |
| HCOTEG10860 | Criminal Investigation |
| HCOTEG10870 | Oils Central Co-ordination Team (OCCT) |
| HCOTEG10880 | National Advice Service (NAS) |
| HCOTEG10890 | Audit Service (AS) |
| HCOTEG10900 | National Registration Unit (NRU) |
| HCOTEG10910 | National Verification Centre (NVC) |
| HCOTEG10920 | National Approval Unit (NAU) |
| HCOTEG10930 | Central Deferment Office (Oils Team) |
| HCOTEG10940 | Debt Management and Banking (DMB) |
