![]() Sif Group Sif Group is a provider of offshore foundations for wind turbines and oil and gas platforms. | ![]() Willis Construction Willis Construction is a manufacturer and installer of architectural precast panels, glass fiber reinforced panels, and thinshell concrete panels. | ![]() SDM Fabrication SDM Fabrication is a company that provides the design, fabrication, and installation of structural steelwork. | |
Founding Date | Founding Date 1948 | Founding Date 1979 | Founding Date 2011 |
Type | Type Public | Type Private | Type Private |
Tags | |||
Locations | Locations Roermond, NL HQ Tokyo, JP Maasvlakte Rotterdam, NL | Locations HQ | Locations March, GB HQ |
Employees | Employees 677 | Employees 552% increase | Employees 1041% increase |

Willis Construction is a manufacturer and installer of architectural precast panels, glass fiber reinforced panels, and thinshell concrete panels.
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SDM Fabrication is a company that provides the design, fabrication, and installation of structural steelwork.
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