| Sefton Yard | M D Ponton & Son Ltd #8787065 | Babell, Holywell CH8 8QD, UK | CH8 8QD | Simon Ponton | mdpontonsonltd@yahoo.co.uk | +447916144562 | No map | |
| Oakfield | Colin Greenwood #8784567 | Oakfield, New Street Lane, Whitchurch SY13 4PJ, UK | SY13 4PJ | Colin Greenwood | coling2712@outlook.com | +447870211883 | No map | |
| Antolin LTD @ Barton Business Park | Mitchell Drainage & Environmental Solutions Ltd. #6719277 | Barton-under-Needwood, Burton-on-Trent DE13 8BX, UK | DE13 8BX | Katrina | lee@mitchelldrainage.co.uk | +447714798387 | No map | |
| Vines of Guildford | Mitchell Drainage & Environmental Solutions Ltd. #6719277 | Slyfield Industrial Estate, Guildford GU1 1RD, UK | GU1 1RD | Katrina | lee@mitchelldrainage.co.uk | +447714798387 | No map | |
| Woodside Farm | Ace Septic Tank & Drainage Services #8783937 | Great Yarmouth, UK | | Julia | info@aceseptictankservices.co.uk | +447860654368 | No map | |
| 71 Scropton Road | Mainline Environmental Installation #8783789 | 71 Scropton Rd, Hatton, Derby DE65 5DT, UK | DE65 5DT | Edmond | mainlinetanks@aol.com | +447971568308 | No map | |
| Faircloth Construction Ltd (61795) | Marsh Industries Ltd #4083591 | Warrington WA2 8TW, UK | WA2 8TW | Accounts | angusm@sde-civils.co.uk | +447554451693 | No map | |
| 5 Pegasus Way | Alpha Rod Ltd #8783652 | 5 Pegasus Way, Bowerhill, Melksham SN12 6TR, UK | SN12 6TR | Chris | office@alpharod.co.uk | +441249448345 | No map | |
| Woodgate Homes | Marsh Industries Ltd #4083591 | Longcliff Hill, Old Dalby, Melton Mowbray LE14 3LP, UK | LE14 3LP | Accounts | pctomlin@supanet.com | +447855424656 | No map | |
| Unit N Linsford Business Centr | Premier Tech (Enviro-Wise) #8782384 | Linsford Ln, Mytchett, Camberley GU16 6DJ, UK | GU16 6DJ | Michael Moore | moom2@premiertech.com | +441483202507 | No map | |
| Maple Field, Ashes Road, Cressing, Braintree, CM77 8DW | Jiggins Environmental Ltd #5105273 | Ashes Rd, Cressing, Braintree CM77 8DW, UK | CM77 8DW | Ben Jiggins | jigginsb@aol.com | +441376749882 | No map | |
| 175 St Margarets Rd, Plympton, Plymouth PL7 4RF | AJ Davis (Electrical Engineers) #3712895 | 175 St Margarets Rd, Plympton, Plymouth PL7 4RF, UK | PL7 4RF | Antony Davis | ajdengineers@aol.com | +447779989073 | No map | |
| Owls Hall Environmental Ltd | Owls Hall Environmental Ltd #8782034 | Owls Hall Environmental Ltd, Blackmore End, Braintree, Essex, CM7 4DF | CM7 4DF | | simon.joyce@owlshall.co.uk | +441371850537 | No map | |
| Unit 6, The Stoneyard | ECS Pumps Ltd #8781909 | The Stone Yard, Alton Ln, Four Marks, Alton GU34 5AJ, UK | GU34 5AJ | Kelly | sales@ecspumps.co.uk | +441420561777 | No map | |
| Henfaes Lane, Welshpool, SY21 7BE | Metro Rod (Welshpool) #5581076 | Henfaes Lane, Welshpool, SY21 7BE | SY21 7BE | Adrian Taylor | adrian.taylor@metrorod.co.uk | +447827240404 | No map | |
| Galipot Woods, Primrose Houses | Hartwood Construction Ltd #8780573 | Gallipot Hill, Hartfield, East Sussex, TN7 4AL | RH19 4LZ | Lee | accounts@hartwoodconstruction.co.uk | +447775000296 | No map | |
| Butler Hall Engineering | Butler Hall Engineering #8780563 | XRG6+R3, Shaftesbury, West Melbury, Shaftesbury SP7 0AF, UK | SP7 0AF | Steve | service@butler-hall.co.uk | +441747853057 | No map | |
| Binchester Applegreen Service Station | Mitchell Drainage & Environmental Solutions Ltd. #6719277 | Binchester, Bishop Auckland DL14 8AW, UK | DL14 8AW | Katrina | lee@mitchelldrainage.co.uk | +447714798387 | No map | |
| 82 Larkspur Drive, Evesham, Worcestershire, WR11 2NQ | Cotswold Drainage #4189279 | 82 Larkspur Drive, Evesham, Worcestershire, WR11 2NQ, UK | | Stuart Bailey | office@cotswolddrainage.co.uk | +441386882324 | No map | |
| CSG, Botley, Grange Road, SO30 2GD | CSG #3667729 | Chartwell House, 5 Barnes Wallis Rd, Fareham PO15 5TT, UK | PO15 5TT | Mia Barrett | maintenance@csg.co.uk | +441622885846 | No map | |
| Frys Cross Farm, Knightons Lane, Dunsfold, Godalming GU8 4NY | P J Cole Southern Limited #3637833 | Frys Cross Farm, Knightons Lane, Dunsfold, Godalming GU8 4NY, UK | GU8 4NY | Chris Bush | mail@pjcole.com | +447747837568 | No map | |
| Owl Barn | Debbie Worral (NS) #8779915 | Stretham Rd, Wicken, Ely CB7 5XL, UK | CB7 5XL | Debbie Worral | usworrals@hotmail.com | +447487529664 | No map | |
| 9 Union Hill | Liam Hennessy #5061049 | 9 Union Hill, Down St Mary, Crediton, Devon, EX17 6EQ, UK | EX17 6EQ | Liam Hennessy | hennessyljj@gmail.com | +447732106595 | No map | |
| 102 Abbott Rd, Didcot OX11 8HZ | Drain Gain Limited #3980682 | Unit 6B, Beadle Trading Estate, Hithercroft Road, Wallingford OX10 9EZ, UK | OX10 9EZ | Liam Saunders | office@draingain.co.uk | +441235390390 | No map | |
| 24 Almond Way, Lutterworth LE17 4XJ | Brice Environmental Services Limited #3639540 | 24 Almond Way, Lutterworth LE17 4XJ, UK | LE17 4XJ | Vivian Brice | vivbrice@tiscali.co.uk | 07860829033 | No map | |