Leading Resources, Inc. - Leading Resources provides cutting-edge tools to create more successful organizations, with a special focus on the media, software, and healthcare industries. The LaPenna Group, Inc. - Specializes in health care business development for doctors and hospital systems. L&T Health and Fitness - Health promotion and fitness management services, overseeing facilities in ten states and the District of Columbia. Services include management, design and consulting, health fairs, medical screenings, seminars, CPR, ergonomic and fitness training. Levin Group, Inc - Dental and orthodontic consultancy founded by Roger P Levin, DDS. Linz-MediConsult - Provides medical consultation and detailed searches on serious or rare diseases; services include consultation, seminars and advanced training seminars within the ranges biomedicine, molecular biology, biochemistry. Lighthouse Health Group - Provides advice, case management services, and solutions to healthcare professionals in physiotherapy, occupational therapy, social work, medicine and general health services Lifton Associates, LLC - Lifton Associates assists healthcare organizations in strategic and business planning, medical staff development, and governance. Liberty IRB - Assists sponsors of investigational drugs and medical devices by centralizing all IRB submission activities and producing timely, diligent reviews of clinical research.