| Associations/Organisations |
| List | Description |
| A | Addresses of Interest to Architects |
| B | Societies, Institutes - Architecture |
| C | Societies, Institutes - Surveying, Auctioneering, etc. |
| D | Societies, Institutes - Engineering |
| E | Societies, Institutes - Building |
| F | Trade Associations |
| G | Preservation of Amenities, Records, etc. |
| H | Government Ministries |
| I | Research Establishments |
| J | Water Utilities |
| K | Statutary Water Companies (telephone nos. only) |
| L | Scottish Regional Councils - Water Services |
| M | British Gas Regions |
| N | Electricity Companies |
