![]() SMI Drulingen SMI Drulingen (formerly known as Sotralentz Metal Industries) is a company that manufactures heavy-pressure vessels and metal welded structures. | ![]() Hol-Mac Hol-Mac is a company that manufactures and supplies steel fabrications, cylinders, and tanks to OEMs. | |
Founding Date | Founding Date 1957 | Founding Date 1963 |
Type | Type Subsidiary | Type Private |
Tags | ||
Locations | Locations Drulingen, FR HQ | Locations Bay Springs, US HQ Bay Springs, US Bay Springs, US Bay Springs, US Gulfport, US |
Employees | Employees 130 | Employees 800 |

Hol-Mac is a company that manufactures and supplies steel fabrications, cylinders, and tanks to OEMs.
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