The combined rank number considers the following data points: 1) how much of the large-group market is controlled by one insurance carrier and 2) how much of the large-group market is controlled by the top five insurance carriers. This combination provides the best indication of how much each market is dominated by one carrier by adding the percent market share of the top carrier to the percent market share of the top five carriers.
Market share of top carrier: 36.98%
Top five carriers:
1) BCBS of Wyoming
3) Companion Life Insurance Company
4) Fidelity Security Life Insurance Company
5) Arch Insurance Company