| Archeops | 1999-2000 | balloon-borne |
| ABS | 2012-2014 | Atacama Desert, Chile |
| ACBAR | 2000-2004 | South Pole Station |
| ACT/AdvACT/ACTPol | 2007-2015 | Atacama Desert |
| AMI | 2000s | Mullard Observatory, England |
| BICEP/BICEP2/BICEP3/Keck Array | 2000s | South Pole Station |
| BOOMERanG | 1998-2003 | balloon-borne |
| CAPMAP | early 2000s | Princeton University |
| CAT | 1990s | Mullard Observatory |
| CMB-S4 | future | South Pole Station |
| COBE | 1989-1993 | space |
| CBI | 1999-2008 | Atacama Desert |
| COSMOSOMAS | 1998-2007 | Teide Observatory, Canary Islands |
| EBEX | 2012-2013 | balloon-borne |
| LiteBIRD | future | space |
| LSPE-STRIP | ? | Teide Observatory |
| LSPE-SWIPE | future | balloon-borne |
| MAXIMA | 1998-1999 | balloon-borne |
| Planck | 2010-2013 | space |
| POLARBEAR | 2012-2016 | Atacama Desert |
| QMAP | 1996 | balloon-borne |
| QUaD | early 2020s | South Pole Station |
| QUBIC | 2022- | Alto Chorrillos, Argentina |
| QUIET | 2008-2010 | Atacama Desert |
| QUIJOTE | 2012- | Teide Observatory |
| RELIKT-1 | 1980s | space, on USSR's Prognoz 9 satellite |
| Saskatoon | 1990s | Saskatoon, Canada |
| Simons Array | in deployment | Atacama Desert |
| SPT, e.g., DASI | 2000s | South Pole Station |
| SPIDER | 2015 | balloon-borne |
| SZA | 2005-2007 | OVRO, California |
| Taurus | plan | balloon-borne |
| Tenerife Experiment | 1980s-1990s | Teide Observatory |
| TopHat | 2001 | balloon-borne |
| VSA | 2002-2008 | Teide Observatory |
| WMAP | 2001-2010 | space |
| YTLA | 2006- | Mauna Loa, Hawaii |