• HealthMetrix Research Offers independent Medicare health maintenance organization (HMO) annual cost comparisons for seniors in over 50 cities; an HMO finder by zip code; and an on-line form to request detailed plan information.

• InterStudy Publications A researcher and publisher of data, directories, and analyses for the managed care industry.

• Managed Care - Info Offers a huge and well organized managed care reference library. Topics include hospitals, insurance, PPOs, HMOs, Medicaid, and Medicare.

• Managing Managed Care Resource site for professionals in the industry and other interested parties. Site includes forums, articles, links, guidelines, and coverage of information technology and its relationship to managed care.