TechnologyCompanyMachineBasic principle 

3DP PrometalPrometalR10, R23D printing
CMB FhG IPT & RoedersControl Metal Build UpLaser welding & post milling
Contour CraftingLA Univ.Extrusion
Contura
Direct Laser FormingTrumpfTrumaForm LF 130 / 250Laser Forming / Sintering
Direct Metal DepositionTrumpfTrumaForm DMD 505Laser Cladding
DMLS EOSM250 Xt Laser sintering
DMLS EOSM270Laser melting
EBMARCAMEBM S12Electron Beam Melting
LAMAerometLaser Additive Manuf.
LENSOptomecLENS 850RLaser melting
M3 LinearConcept LaserLaser Melting
Metal CopyPrototal IVF WibaRP model - silicone - casting
MPPSintef / NTNUMetal printing processElectr. Discharge sintering
PhenixPhenixPM100, PM250Laser Melting
PMDHRTPrecision Metal DepLaser welding - flat wire
POM DMDPOMDirect metal depLaser cladding
SLMMCPLaser Melting
SLS 3DSystemsSLS HiQ + LaserForm A6Laser sintering
SMD Shaped Metal DepositionRolls-RoyceCAD definition & robot
SolidicaSolidicaForm-ationUltrasonic consolidation
Stratoconception metalCirteshigh speed micromilling
TRI-Clam