| Ambion Bricks - Todhills Works - DL14 8DA |
| Appletree Joinery Products Ltd - Howden Road - DL5 6EU |
| Archibald J & G Ltd - Station La - DH1 1LJ |
| Brikmat (UK) - Unit 5 - DL15 0UT |
| Builder Center - Lingfield Way - DL1 4PX |
| Builder Center - Harmire Enterprise Park - DL12 8XW |
| Builder Center - Tindale Crescent - DL14 9SX |
| Electrak International Ltd - Unit 12 - DH8 6SR |
| Florprotec Ltd - Carmel House - DL1 3JG |
| Graham Plumbing & Heating Merchants - Unit B1 - DH1 5HB |
| J & G Archibald Ltd - Jagal House - DH1 2YD |
| Jewson Ltd - Knitsley Lane - DH8 7NN |
| Keyline Builders Merchants - Station Lane - DH2 1AW |
| Palgrave Brown (UK) Ltd - Kellaw Road - DL1 4YA |
| Plumb Center - Estate - DL3 0QR |
| Plumb Center - 7 Bracken Hill - SR8 2LS |
| Plumb Center - Unit B2/Abbey Rd Ind Est - DH1 5HB |
| PTS - Unit 6a - DH1 1TN |
| Rettig Heating Ltd. - Drum Industrial Estate - DH2 1AB |
| Travis Perkins - Dragon Lane - DH1 2XD |
| Travis Perkins - Maude Terrace - DL14 9BB |
| Travis Perkins Trading Co Ltd - St. Helen Way - DL14 9AX |
| Westline Distributors Limited - Bede House - DH2 1AU |
| Wolseley Centers Ltd - Unit 5B - DH8 6SR |
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