- Omron Healthcare, Inc. - Manufacturer of Omron Healthcare Productrs
- 3M Littmann - Manufacturer of world's most trusted Littmann Stethoscopes

- OmronDistributor.com - HM International's website for Omron Healthcare Products
- LittmannDistributor.com - HM International's website for Littmann Stethoscopes

- Nursing Directory - Your one-stop destination for anything you can think about nursing. This Nursing Directory is designed to help its users find the nursing information, source, companies, products and services.