Zalco Zalco (also known as Zeeland Aluminium Company) is a company that produces aluminum and aluminum-alloyed products. | ![]() Willis Construction Willis Construction is a manufacturer and installer of architectural precast panels, glass fiber reinforced panels, and thinshell concrete panels. | |
Founding Date | Founding Date 1971 | Founding Date 1979 |
Type | Type Subsidiary | Type Private |
Tags | ||
Locations | Locations Vlissingen, NL HQ | Locations HQ |
Employees | Employees N/A | Employees 552% increase |

Willis Construction is a manufacturer and installer of architectural precast panels, glass fiber reinforced panels, and thinshell concrete panels.
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