MILabs

• U-CT; U-SPECT; U-PET; U-OI

Molecubes

• CT: X-CUBE; PET: ß-CUBE; SPECT: y-CUBE

Perkin Elmer

• CT: Quantum GX; Optics: IVIS Spectrum

Bruker

• CT: Skyscan 1176, 1272, 1276, 1278; MRI: 7T

Siemens

• Inveon CT; Inveon PET

Visual Sonics

• US: Vevo 770; Vevo 2100

Aspect

• MRI

Philips

• MRI: 3T Achieva

Mediso

• nanoScan PET; NanoSpect/CT and Tera-Tomo 3D SPECT; nanoScan CT; nanoScan MRI

Inviscan

• IRIS PET-CT; IRIS CT

GE Healthcare

• CT: Lotus

CT imaging GmbH

• Tomoscope Duo

TriFoil Imaging

• Triumph II small animal PET/SPECT/CT

And many more systems that export image data in standardized file formats, e.g. Nifti, DICOM, or GFF.