| Preserva Ltd | 01335 370362 | | Atlow House, Moss Lane, Hulland Ward, Ashbourne, DE6 3FB |  Map & Directions |
| Derbyshire Dales Damp Proofing | 01629 584484 | | 47 Steep Turnpike, Matlock, DE4 3DP | | Map & Directions |
| Preston Preservation | 01332 281431 | | 132 Chaddesden Park Road, Derby, DE21 6HG | | Map & Directions |
| Mac Building Services | 01530 271353 | | 45 Atherstone Road, Measham, Swadlincote, DE12 7EG | | Map & Directions |
| Burton Damp Proofing Ltd | 01283 537125 | | 37 Saxon Street, Burton On Trent, DE15 9RL | | Map & Directions |
| Phoenix | 01332 574721 | | 21 Beatty Street , Alvaston, Derby, DE24 8TZ | | Map & Directions |
| County Damp Proofing Ltd | 01332 760648 | | 84 Palmerston Street, Derby, DE23 6PF | | Map & Directions |
| Central Damproofing | 01283 512788 | | 153 Calais Road, Burton On Trent, DE13 0UN | | Map & Directions |
| Midshires Damp Detection | 0115 944 4494 | | 7 Wainfleet Close, Ilkeston, DE7 9HR | | Map & Directions |
| Needwood Damp Proofing | 01283 517065 | | 1 Lonsdale Road, Branston, Burton On Trent, DE14 3ED | | Map & Directions |
| Derbyshire Preservation Services | 0115 932 9547 | | 53 Bright Street, Ilkeston, DE7 8NH | | Map & Directions |
| Aldridge Preservation Ltd | 01283 761556 | | 22 Donisthorpe Lane, Moira, Swadlincote, DE12 6AZ | | Map & Directions |
| Damp Advisory Service | 01332 831112 | | Unit 6, Old Hall Mill Business Park, Station Road , Little Eaton, Derby, DE21 5DN | | Map & Directions |
| Aaaa. 1st Line Services Ltd | 01332 706830 | | East Midlands Self Storage, Sinfin Lane, Barrow-On-Trent, Derby, DE73 7HH | | Map & Directions |
| Building Preservation Ltd | 01773 767094 | | 39 Coppice Drive, Heanor, DE75 7BW | | Map & Directions |
| Abbey Damp Proofing Ltd | 0808 155 3202 | | 39 Hobkirk Drive, Derby, DE24 3DT | | Map & Directions |
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