![]() 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. | ![]() Prototek Allentown Prototek Allentown (also known as Belknap Holdings, formerly ProtoCAM) is a company that provides additive manufacturing and prototyping solutions. | ![]() James River Design & Manufacturing James River Design & Manufacturing (JDRM) is a company that designs and manufactures commercial products. | |||
Founding Date | Founding Date 1998 | Founding Date 2013 | Founding Date 1994 | Founding Date 2014 | Founding Date 2018 |
Type | Type Private | Type Subsidiary | Type Subsidiary | Type Private | Type Subsidiary |
Tags | |||||
Locations | Locations Monteviale, IT HQ | Locations Dover, US HQ | Locations Allentown, US HQ | Locations Richmond, US HQ | Locations Ann Arbor, US HQ |
Employees | Employees 225% increase | Employees 1038% decrease | Employees 538% decrease | Employees 1,220 | Employees 19 |

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
Prototek Allentown (also known as Belknap Holdings, formerly ProtoCAM) is a company that provides additive manufacturing and prototyping solutions.
View company
James River Design & Manufacturing (JDRM) is a company that designs and manufactures commercial products.
View company