| The Electric Motor Company Limited | 01920 871077 | | The Spinney, Hoddesdon Road, Stanstead Abbotts, Ware, SG12 8EJ |  Map & Directions |
| I M Alarms | 01920 411992 | | 141 St. Margarets Road, Stanstead Abbotts, Ware, SG12 8ER | | Map & Directions |
| Shire Security Systems | 01767 683858 | | 4, The Baulk, Beeston, Sandy, SG19 1NR | | Map & Directions |
| Hertford Aerial Services | 01992 589164 | | Franklyns, 26 The Avenue , Hertford, SG14 3DS | | Map & Directions |
| Royston Electrical Ltd | 01763 244114 | | 44a High Street, Royston, SG8 9AW | | Map & Directions |
| Comet Group Plc | 0870 542 5425 | | Monkswood Retail Park, Elder Way, Stevenage, SG1 1TL | | Map & Directions |
| Dive Time Systems Ltd | 01992 550078 | | 12 The Mead Business Centre Mead Lane, Hertford, SG13 7BJ | | Map & Directions |
| Maslin Electronics | 01462 431073 | | 40c Queen Street, Hitchin, SG4 9TS | | Map & Directions |
| Ray Proof Ltd | 01438 730700 | | Units D & E, Boulton Road, Pin Green Industrial Area, Stevenage, SG1 4TH | | Map & Directions |
| British Central Electrical Co Ltd | 01462 441500 | | Wilbury Way, Knowl Piece, Hitchin, SG4 0TY | | Map & Directions |
| Tl Audio | 01462 490600 | | Station Parade, Letchworth Garden City, SG6 3AW | | Map & Directions |
| Socomec Ltd | 01462 440033 | | Wilbury Way, Knowl Piece, Hitchin, SG4 0TY | | Map & Directions |
| A Matthews | 01462 730180 | | 12 Regent Court, Stotfold, Hitchin, SG5 4AJ | | Map & Directions |
| Hertford Television Service | 01992 552955 | | Unit 1b, Foxholes Avenue, Hertford, SG13 7JG | | Map & Directions |
| 2001 Electronics | 01480 496466 | | Unit F Stevenage Business Park, Pingreen, Stevenage, SG1 4SZ | | Map & Directions |
| Monty Radio | 01763 242131 | | 17a Lower King Street, Royston, SG8 5AL | | Map & Directions |
| M F T Co Ltd | 01462 850950 | | 22 Bedford Road, Lower Stondon, Henlow, SG16 6EA | | Map & Directions |
| Astute Electronics Ltd | 01920 484838 | | Cintez International Ltd, Watton, Ware, SG11 1AA | | Map & Directions |
| Currys | 0870 609 7444 | | Unit 10, Great North Road, Roaring Meg Retail Park, Stevenage, SG1 1XN | | Map & Directions |
| Appliance Warehouse | 0870 010 4901 | | 16-17 Works Road, Woodside Industrial Park, Letchworth Garden City, SG6 1LA | | Map & Directions |
| East Herts Electrical | 01992 583866 | | 3 Market Place, Hertford, SG14 1DF | | Map & Directions |
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