| 1999 Qtr 2 | Percent of | Cumulative | |
| Enrollment | State Total | Percentage | |
| United HealthCare of Florida, Inc. | 756,124 | 15.3% | 15.3% |
| Health Options, Inc. | 718,801 | 14.5% | 29.8% |
| Humana Medical Plan, Inc. | 652,037 | 13.2% | 42.9% |
| Prudential Health Care Plan, Inc. (FL Divisions) | 618,273 | 12.5% | 55.4% |
| AvMed, Inc. | 374,249 | 7.6% | 62.9% |
| Aetna U.S. Healthcare | 275,536 | 5.6% | 68.5% |
| HIP Health Plan of Florida, Inc | 193,277 | 3.9% | 72.4% |
| Foundation Health, A Florida Health Plan, Inc. | 139,161 | 2.8% | 75.2% |
| Neighborhood Health Partnership, Inc. | 137,911 | 2.8% | 78.0% |
| Health Options Connect, Inc. (formerly Principal) | 129,873 | 2.6% | 80.6% |
| CIGNA Healthcare of Florida, Inc. | 103,654 | 2.1% | 82.7% |
| Capital Group Health Services of Florida | 102,208 | 2.1% | 84.8% |
| Well Care HMO, Inc | 96,442 | 1.9% | 86.7% |
| Physicians Healthcare Plan, Inc. | 94,477 | 1.9% | 88.6% |
| SunStar Health Plan, Inc. | 82,679 | 1.7% | 90.3% |
| Healthplan Southeast | 72,686 | 1.5% | 91.8% |
| Preferred Choice, the HMO of Florida Health Choice, Inc. | 65,880 | 1.3% | 93.1% |
| Florida Health Care Plans | 50,818 | 1.0% | 94.1% |
| Health First Health Plans, Inc. | 34,997 | 0.7% | 94.8% |
| Preferred Medical Plan, Inc. | 33,644 | 0.7% | 95.5% |
| Beacon Health Plans, Inc. | 33,105 | 0.7% | 96.2% |
| Public Health Trust of Dade County, The | 30,603 | 0.6% | 96.8% |
| American Medical Healthcare | 29,181 | 0.6% | 97.4% |
| AmeriHealth of Florida, Inc. | 21,768 | 0.4% | 97.8% |
| Total Health Choice, Inc. | 19,050 | 0.4% | 98.2% |
| Community Health Care Systems, Inc. | 18,814 | 0.4% | 98.6% |
| St. Augustine Health Care, Inc. | 16,974 | 0.3% | 98.9% |
| Mayo Health Plan, Inc. | 16,969 | 0.3% | 99.3% |
| Florida 1st Health Plan, Inc. | 14,847 | 0.3% | 99.6% |
| Tampa General Healthplan | 8,633 | 0.2% | 99.7% |
| AHL Select HMO, Inc. | 8,421 | 0.2% | 99.9% |
| One Health Plan of Florida, Inc. | 2,763 | 0.1% | 100.0% |
| Healthy Palm Beaches, Inc. | 2,422 | 0.0% | 100.0% |
| total | 4,956,277 | ||