| Alabama Medical Group Management Association | Related tax-exempt org | Healthcare management association | AL | 990990789 |
| Arizona and New Mexico Medical Group Management Association | Related tax-exempt org | Healthcare management association | AZ | 331306207 |
| Florida Medical Group Management Association | Related tax-exempt org | Healthcare management association | FL | 991022136 |
| IOWA Medical Group Management Association | Related tax-exempt org | Healthcare management association | IA | 991044506 |
| MA and RI Medical Group Management Association | Related tax-exempt org | Healthcare management association | MA | 991102077 |
| Maryland and Delaware Medical Group Management Association | Related tax-exempt org | Healthcare management association | MD | 991074122 |
| MGMA Center for Research | Related tax-exempt org | Research | CO | 840647139 |
| MGMA Realty Corp | Related tax-exempt org | Real estate | CO | 841119908 |
| MGMA-Acmpe | Related tax-exempt org | Healthcare management association | CO | 452766110 |
| Michigan Medical Group Management Association | Related tax-exempt org | Healthcare management association | MI | 991624460 |
| Minnesota Medical Group Management Association | Related tax-exempt org | Healthcare management association | MN | 991134152 |
| Nebraska Medical Group Management Association | Related tax-exempt org | Healthcare management association | NE | 991170224 |
| Nevada Medical Group Management Association | Related tax-exempt org | Healthcare management association | NV | 991198315 |
| New Hampshire and Vermont Medical Group Management Association | Related tax-exempt org | Healthcare management association | NH | 991226486 |
| New Jersey Medical Group Management Association | Related tax-exempt org | Healthcare management association | NJ | 991254662 |
| OHIO Medical Group Management Association | Related tax-exempt org | Healthcare management association | OH | 991277813 |
| Pennsylvania Medical Group Management Association | Related tax-exempt org | Healthcare management association | PA | 232252406 |
| Texas Medical Group Management Association | Related tax-exempt org | Healthcare management association | TX | 991308255 |
| Virginia Medical Group Management Association | Related tax-exempt org | Healthcare management association | VA | 991333905 |
| Washington Medical Group Management Association | Related tax-exempt org | Healthcare management association | WA | 991358409 |
| Wisconsin Medical Group Management Association | Related tax-exempt org | Healthcare management association | WI | 991387983 |
| MGMA Services INC | Related taxable corporation/trust | Business ventures | CO | 841546758 |