Where were your audio components designed/engineered?

Tape - Nakamichi, Japan.
Turntable/Tonearm - Nottingham, England.
Cartridge - Goldring, England.
CD player - CEC, Japan.
Phono stage - Acoustech, US.
Integrated amp - Redgum, Australia.
Speakers - Michael Green Audio, US.
Cables - Purist Audio Design, US.
Power cords - Purist Audio, Custom Power Cord Company, US.
Power conditioning - PS Audio Premier, US.
Tuning, resonance control - Boston Audio, Audiopoints, Polycrystal, Walker Audio, US.

Dream system:

Tape - Studer, Switzerland.
Table/arm/cartridge - not sure.
Electronics - Ypsilon, Gryphon or LAMM - Greece, Denmark, US respectively.
Speakers - Michael Green Audio custom or Lansche - US, Germany respectively.
Cables, power cords - Purist Audio, Echole, Stage III, HB cable design - US, Turkey, US, Germany respectively.
Digital - whatever is listenable.

Primary System

Main speakers:  Rogers, England
Center speaker:  B&W, England & China
Rear speakers:  Advent, US & China
Speaker cable:  12 gauge, unknown
Cable spades:  AudioQuest, unknown
Cartridge 1:  Dynavector, Japan
Tonearm:  Graham, US
Turntable 1:  Sota, US
Phono IC:  Cardas, US
Cartridge 2:  Ortofon, Denmark
Turntable 2:  Pioneer, Japan
Tape deck:  Tandberg, Norway
Tape IC:  Vampire Wire, US
Disc:  McIntosh, US & Japan
Disc audio IC:  Audio Classics, US & unknown
Disc video IC:  unknown FO, China & unknown HDMI, China
Preamp:  McIntosh, US
Pre/Pro:  McIntosh, US
Pre & Pre/Pro HT Bypass IC:  AudioQuest, unknown
Main amp:  McIntosh, US
Main amp IC:  unknown XLR, US
Center amp: McIntosh, US
Center amp IC:  Monster, China
Rear amp:  Belles, US
Rear amp IC:  Monster, US

Camping System:

A/V Receiver:  Sony, Japan & China
Speakers:  Sharp, Japan & China
Disc:  Samsung, S. Korea & China

Bedroom System:

Receiver:  Sansui, Japan
Speakers:  Advent, US & China
Disc:  Sanyo, Japan & China

Speakers -Daedalus - USA
Subs- Rythmik F-12G -USA
Amp- Modwright KWA150SE -USA
Preamp - Modwright LS-100 - USA
DAC - Resonessence Labs -Canada
Server- Aurender N-100H -Korea
Transport - Cambridge CXC- UK
Cables- Wywires Blue - USA
Power Cords-Panga- USA
Conditioner - Furman 15i- USA
Rack- Timbernation - USA

Integrated-Marantz PM-15S2b-Japan
SACD player-Marantz SA-15S2b-Japan
Speakers-Clearwave Duet 6 monitors-USA
Speaker Cables-Zu Audio Event-USA
Interconnects-Darwin Cables-USA
Tuner-Marantz ST600-Japan designed-built in China
Power Cables-TWL American Series-USA
Blu-Ray player-OPPO- USA designed-built in China
Conditioner-Blue Circle Thingee-USA
Media Stand-Art to Life Productions-USA
Schumann Device-Clones Audio-China