![]() Prototek Allentown Prototek Allentown (also known as Belknap Holdings, formerly ProtoCAM) is a company that provides additive manufacturing and prototyping solutions. | ![]() 3D Material Technologies 3D Material Technologies (3DMT, also known as Arc Transition) is a company providing metal additive manufacturing components for the aerospace, defense, and industrial markets. | ||
Founding Date | Founding Date 2018 | Founding Date 1994 | Founding Date 2013 |
Type | Type Subsidiary | Type Subsidiary | Type Subsidiary |
Tags | |||
Locations | Locations Ann Arbor, US HQ | Locations Allentown, US HQ | Locations Dover, US HQ |
Employees | Employees 19 | Employees 538% decrease | Employees 1038% decrease |

Prototek Allentown (also known as Belknap Holdings, formerly ProtoCAM) is a company that provides additive manufacturing and prototyping solutions.
View company
3D Material Technologies (3DMT, also known as Arc Transition) is a company providing metal additive manufacturing components for the aerospace, defense, and industrial markets.
View company