Hart, McConahy & Martz, Inc.
- Aetna
- AIG Life
- Argo Group
- Assurity
- Banner Life
- Berkley
- Brethren Mutual
- Coventry Health
- Delta Dental
- Donegal
- Farmers Insurance
- Foremost
- Genworth Financial
- Golden Rule
- Grocers Ins.
- Guardian
- Hagerty
- Hartford
- Highmark BC/BS
- Humana
- Ironpeak
- John Hancock Life
- Keystone Natl.
- Lebanon Valley
- Lincoln Financial Group
- MetLife
- Mid-Continent
- Millers Mut.
- Mut. Benefit Grp.
- Nationwide
- New Era Life
- Ohio Casualty
- Philadelphia
- Principal Financial Group
- Progressive
- Safeco
- Sun Life Financial
- Travelers
- Tuscarora Wayne
- United Concordia
- United Healthcare
- United HealthOne
- UPMC Health
- USAble Life
- VBA
- VSP
- White Pine Ins.
- Zurich
- R. Carl Martz, RHU
- Patrick R. Hart
- Benjamin W. Martz, CPIA