![]() Tyler Union Tyler Union is a manufacturer of ductile iron fittings, joint restraints, and valve boxes in the waterworks industry. | ![]() Kalyn Siebert Kalyn Siebert is a manufacturer of heavy-haul trailers, and equipment for construction, oilfield and energy, national defense, and other specialized transportation requirements. | ||||
Founding Date | Founding Date 1907 | Founding Date 1969 | Founding Date 1994 | Founding Date 1956 | Founding Date 1945 |
Type | Type Subsidiary | Type Private | Type Private | Type Private | Type Private |
Tags | |||||
Locations | Locations Tyler, US HQ | Locations Gatesville, US HQ | Locations Oldenzaal, NL HQ Oldenzaal, NL | Locations Wayne, US HQ Grand Prairie, US Stockton, US | |
Employees | Employees 1391% increase | Employees 74 | Employees 922% increase | Employees 1311% increase | Employees 1561% increase |

Kalyn Siebert is a manufacturer of heavy-haul trailers, and equipment for construction, oilfield and energy, national defense, and other specialized transportation requirements.
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