PostCode Index - PL
| PL1 1LD | Adps Holdings Ltd. - Plymouth |
| PL1 1QX | Wise Employment Plymouth - Plymouth |
| PL1 1SD | Blue Arrow - Plymouth |
| PL1 2PB | The Marine Biological Association of the United Kingdom - Plymouth |
| PL11 2AJ | Dataquest Research Consultants - Torpoint |
| PL18 9AS | Power Precision & Fabrication Ltd. - Gunnislake |
| PL19 0YU | Ecotox Ltd. - Tavistock |
| PL19 9DD | Azur Consultancy Ltd. - Tavistock |
| PL20 7BG | Sadleir Technical Consultancy Ltd - Yelverton |
| PL21 9AE | South Western Fish Producers Organisation Ltd. - Ivybridge |
| PL23 1JJ | Triskel Consultants Ltd. - Fowey |
| PL25 5RJ | BG Lamps and Lighting - St Austell |
| PL26 6QZ | Astute Travel & Hospitality Services Ltd. - St Austell |
| PL26 8RT | Kennet Oil Logistics - St Austell |
| PL3 4BB | Alphabet Signs - Plymouth |
| PL4 0BY | Randstad Employment Bureau Ltd - Plymouth |
| PL4 0ST | London & Westcountry Estates Ltd - Plymouth |
| PL4 8HB | Huntley & Partners - Plymouth |
| PL4 9LD | Infonalysis Ltd. - Plymouth |
| PL9 0JT | Federation of Engine Re-Manufacturers - Plymouth |
| PL9 9NA | A1stores - Office Equipment Suppliers for Business - Plymouth |