I used to maintain certain "uniformity" as in not all but mostly The Chord Company.
However in recent weeks I've been toying with cables and it'd become almost totally heterogeneous:
-Speaker cable: DIY bi-wiring with WBT connectors
-2 of the powercords are: also DIY with German Lapp Kabel Oelflex and Furutech connectors
-Another powercord: Element Cable Red Storm
-USB, Optical and dig. coaxial cables: The Chord Company
-Digital coax input 2: Signal Cable Silver Resolution
Playing with cables is fun innit