https://www.healthcaredive.com/news/blue-cross-plans-lead-aca-exchanges/307812/
Blue Cross plans lead ACA exchanges | Healthcare Dive
...for now. That dominance could be compromised by competition from giants like CIGNA and Aetna.
blue crossaca exchangesplansleadhealthcare
https://www.kjrh.com/news/national/unitedhealth-to-only-be-in-handful-of-states-for-aca-exchanges
UnitedHealth will remain in fewer ACA exchanges
Apr 19, 2016 - UnitedHealth, the nation's biggest health insurer, will remain in public health insurance exchanges in only a handful of states.
unitedhealthremainfeweracaexchanges