Japan's HII A - HII B - Epsilon - http://www.jaxa.jp/projects/rockets/index_e.html
SpaceX - http://spacex.com
NASA SLS - http://www.nasa.gov/exploration/systems/sls
Future Missions:
PLATO - http://sci.esa.int/plato/42280-mission-operations/
WFIRST - http://wfirst.gsfc.nasa.gov/
TESS - http://www.kavlifoundation.org/science-spotlights/searching-best-and-brightest
JPL's Exoplanet Exploration Program - http:/exep.jpl.nasa.gov