• AETNA

• AFLAC

• AIG

• Assurant Employee Benefits

• Blue Cross Blue Shield

• Delta Dental

• Fallon Community Health Plan

• Fireman's Fund

• Guardian Life

• Harvard Pilgrim Healthcare

• ING

• John Hancock

• Mass Mutual

• MetLife

• Neighborhood Health Plan

• Principal Mutual

• Sunlife

• Travelers

• Tufts Health Plan

• Unum

• United HealthCare

(Select company for link to their website)