![]() SDS Stormwater Management-Manufactures, Designers and Installers of Attenuation & Infiltration Systems. Hard Landscaping. Flow Controls, Channel Drainage & Civils. | ![]() Reliance Worldwide Reliance Worldwide Corporation (RWC) is a global provider of water control systems and plumbing solutions for domestic, commercial and industrial applications. | ![]() Fistreem International Fistreem International is a company that manufactures water purification products. | ![]() Sigma Engineering Sigma Engineering is a company that provides solutions for the control and use of water. | ||
Founding Date | Founding Date N/A | Founding Date 1949 | Founding Date 2004 | Founding Date 1993 | Founding Date 2000 |
Type | Type Private | Type Public | Type Private | Type Subsidiary | Type Public |
Tags | |||||
Locations | Locations Biddisham, GB HQ | Locations Atlanta, US HQ Melbourne, AU | Locations Loughborough, GB HQ | Locations Niagara Falls, CA HQ | Locations Ballerup, DK HQ Hobro, DK Risskov, DK White Bear Lake, US |
Employees | Employees N/A | Employees 8002% decrease | Employees 1 | Employees 20 | Employees 105 |
Valuation ($) | Valuation ($) N/A | Valuation ($) 3.1 b | Valuation ($) N/A | Valuation ($) N/A | Valuation ($) 10.5 m |
Financial | |||||
Revenue (est.) | Revenue (est.) £25.1m (FY, 2017) | Revenue (est.) N/A | Revenue (est.) N/A | Revenue (est.) N/A | Revenue (est.) $16.5m (FY, 2025) |
Cost of goods | Cost of goods £14.7m (FY, 2017) | Cost of goods N/A | Cost of goods N/A | Cost of goods N/A | Cost of goods $15.3m (FY, 2025) |
Gross profit | Gross profit £10.4m (FY, 2017) | Gross profit N/A | Gross profit N/A | Gross profit N/A | Gross profit $1.3m (FY, 2025) |
Net income | Net income £3.8m (FY, 2017) | Net income N/A | Net income N/A | Net income N/A | Net income ($8.6m) (FY, 2025) |

Reliance Worldwide Corporation (RWC) is a global provider of water control systems and plumbing solutions for domestic, commercial and industrial applications.
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Fistreem International is a company that manufactures water purification products.
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Sigma Engineering is a company that provides solutions for the control and use of water.
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LiqTech is a company that offers ceramic silicon carbide filters.
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