Insurance carrier · Plan year 2024 · Form 5500 Schedule A

Medical Mutual of Ohio

Medical Mutual of Ohio appeared on 161 contracts at 155 employer health plans in plan year 2024 filings, with $245M in earned premium, ranking #31 of 1,452 carriers. Its medical contracts covered 25,004 people. Employers reported broker commissions and fees of $8.4M on those contracts, 3.4% of premium.

Premium

$245M

$241M medical

Employers

155

161 contracts

People covered

25,004

medical contracts, year end

Broker pay

3.4%

$8.4M · U.S. median 3.8%

Coverage lines on its contracts: health (125), prescription drug (104), stop-loss (33), PPO (25), vision (22), dental (15).

Where it writes the most

Medical premium by employer state.

$229M

$7.8M

$990,231

$726,629

$712,993

$610,865

$520,647

$190,928

$44,515

Largest clients

Employer plans reporting the most premium with this carrier.

Employer	Premium	Participants
Case Western Reserve University Postdoctoral Benefits Program · Ohio	$30,660,644	4,321
Spartan Chemical Company, Inc. · Ohio	$11,947,125	314
Kuka US Holdings Company LLC · Michigan	$7,766,453	2,978
GG Brands Company · Ohio	$6,478,198	714
Cavaliers Holding LLC · Ohio	$6,388,820	514
The James B. Oswald Company · Ohio	$5,616,081	451
Foundation Software, LLC · Ohio	$5,029,203	425
Ohio AFSCME Care Plan · Ohio	$4,818,385	22,607
Germain Automotive Partnership, Inc. · Ohio	$4,672,110	1,094
Geo Byers Sons Holding, Inc. · Ohio	$4,633,925	244
Fastener Industries, Inc. · Ohio	$4,366,206	201
Atlas Steel Products Co. · Ohio	$4,115,690	260
Board of Trustees of Dealers-Unions Insurance Fund · Ohio	$3,896,693	181
Lewco, Inc. · Ohio	$3,647,913	457
Midwest Tape, LLC · Ohio	$3,460,340	379
Local 270 Uwua Afl-Cio · Ohio	$3,369,360	223
Gardiner Service Company · Ohio	$3,322,726	261
The Educational Empowerment Group, Inc. · Ohio	$3,244,677	356
Jeff Ruby Culinary Entertainment, Inc. · Ohio	$3,194,201	532
Metlife Legal Plans, Inc. · Ohio	$3,078,410	246
The Cleveland Museum of Art · Ohio	$2,895,861	312
Maryhaven, Inc. · Ohio	$2,830,651	248
Playhouse Square Foundation · Ohio	$2,717,143	158
Mid-West Forge Corporation · Ohio	$2,681,674	198
Heinzerling Community · Ohio	$2,653,614	307

Filed under 2 spellings, including Medical Mutual of Ohio; Medical Mutual of Ohio, Inc.; this page adds them together.

Source: DOL Form 5500 Schedule A, plan year 2024; built October 24, 2026. One insurer's filed spellings (for example "Blue Cross Blue Shield", "BlueCross BlueShield" and "Blue Cross and Blue Shield" of the same state) are grouped on one page; different state plans stay separate.

How many employer health plans does Medical Mutual of Ohio insure?

Medical Mutual of Ohio was named on 161 insurance contracts at 155 employers with 100 or more participants in plan year 2024 filings, with $245,092,757 in earned premium and 25,004 people covered on medical contracts.

How much do brokers earn on Medical Mutual of Ohio contracts?

Employers reported $8,375,788 in broker commissions and fees on Medical Mutual of Ohio contracts, 3.4% of premium. The all-carrier median on fully insured medical plans is 3.8%.

Where is Medical Mutual of Ohio strongest?

By medical premium, its largest states are Ohio, Michigan, South Carolina.