Following the excellent results from START many other fusion laboratories have built or are building spherical tokamaks.

Listed here are those presently operating or under construction. These machines will provide a wealth of information on the potential of the spherical tokamak, as a safe, environmentally friendly source of energy in the new Millennium.

MAST
START
  (UKAEA, Culham)

SPHEX
  (UMIST, Manchester)

TS-3
TST
  (Tokyo)

ETE
  (Instituto Nacional de Pesquisas Espaciais)

SPHERA

NSTX
CDX-U
  (PPPL, Princeton)

HIT-II
  (University of Washington, Seattle)

PEGASUS
  (University of Wisconsin-Madison)

GLOBUS-M
  (Ioffe Institute, St. Petersburg)

ROTAMAK-ST
  (Flinders University, Adelaide)