![]() Serious Energy Serious Energy sells, manufacturers and delivers acoustical and thermal solutions to the built environment through its iWindow brand. | ![]() Marshalls Marshalls plc is the UK's leading manufacturer of natural stone and concrete hard landscaping products, supplying the home improvement and commercial markets. | ||||
Founding Date | Founding Date 1983 | Founding Date 2002 | Founding Date 1890 | Founding Date 2008 | Founding Date 2011 |
Type | Type Private | Type Private | Type Public | Type Subsidiary | Type Private |
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Locations | Locations HQ | Locations Sunnyvale, US HQ Newark, US Vandergrift, US | Locations Elland, GB HQ Rumst, BE Bedford, GB Birmingham, GB Bridgend, GB Carluke, GB East Cranmore, GB see more | Locations Bucharest, RO HQ Cornetu, RO | Locations Vedelago, IT HQ |
Employees | Employees 23 | Employees 39 | Employees 2,435 | Employees 325% decrease | Employees 319% decrease |

Serious Energy sells, manufacturers and delivers acoustical and thermal solutions to the built environment through its iWindow brand.
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Marshalls plc is the UK's leading manufacturer of natural stone and concrete hard landscaping products, supplying the home improvement and commercial markets.
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Lapitec produces large size full bodied sintered stone slabs.
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