Bruker is a company that develops, manufactures, and distributes scientific instruments and analytical and diagnostic services. It operates in four segments: Bruker Scientific Instruments (BSI) BioSpin, BSI CALID, BSI NANO, and Bruker Energy & Supercon Technologies (BEST). The BSI BioSpin segment specializes in magnetic resonance spectroscopy, preclinical imaging, etc. The BSI CALID segment designs life science mass spectrometry instruments; solutions for microbial identification, antibiotic resistance, and susceptibility testing; research, analytical, and process analysis instruments and solutions, etc. The BSI NANO segment manufactures and distributes advanced X-ray instruments, analytical tools for electron microscopes, atomic force microscopy instrumentation, optical fluorescence microscopy instruments, and other products. The BEST segment provides superconducting materials, multifilament round and rectangular LTS wires, and non-superconducting high technology tools.