- American Drainage Systems
 - Vertical wick drain, drainage wicks, and horizontal strip drain speciality installation contractor for soil consolidation, site remediation, and ground improvement.  ASG
- Offers solutions to drainage problems in domestic, commercial, and industrial properties throughout the U.K.- Atlas Dewatering Systems
- Offers dewatering techniques for groundwater control on construction sites utilizing vacuum wellpoints, eductor/ejector wells, and deep wells.
- Drain Force Ltd.
- Specialists in drain care and pipe renewal services. Landscaping design services also available.
- Griffin Dewatering
- Services include ground water control, remediation, and effluent and water bypass. Also produces pumps and accessories.
- Hepworth Drainage
- Supplies clay, plastic, and underground drainage systems, storm water management and flood defences, reduced access sewer systems, and septic tanks.
- Manhole Covers Ltd
- Supplier of manhole covers, geotextile fabric, gully gratings, and drainage supplies to the U.K. construction industry and builders merchants. Online shop for DIY buyers.
- Pipe Eye Vision Limited
- Drainage company operating closed circuit colour television survey technology, high pressure water jetting, pipe lining, environmental pollution control, and rail services.
- U.S. Wick Drain, Inc.
- Specialising in dynamic compaction and wick drain supply and installation.
- Varicore Technologies, Inc.
- Offers an outdoor multi-flow drainage system made of a series of corrugated polyethylene pipes and wrapped in polypropylene.
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