Division Group A: attributes for energy and water distribution
United Kingdom
| KA01-2 | For district heating |
| KA02-5 | For drainage |
| KA03-8 | For electrical equipment |
| KA04-1 | For electrical installations |
| KA05-4 | For sewage treatment |
| KA06-7 | For the gas industry |
| KA07-0 | For the oil industry |
| KA08-3 | For the storage of natural gas |
| KA09-6 | For the treatment of water |
| KA10-9 | For use in the water industry |
| KA11-2 | For water utilities |
| KA12-5 | For electricity production |
| KA13-8 | Industrial supply |
| KA14-1 | Foul water |
| KA15-4 | Steam |
| KA16-7 | For the energy industry |