Who are the companies competing with Hobery?

Roche, Siemens Medical, etc.

1. As the world's leading provider of pharmaceutical and diagnostic solutions, Roche also has products and services in medical equipment and services in halliburton.

2. Siemens Medical: As one of the important participants in the medical field, Siemens Medical provides various medical equipment, diagnostic technologies and medical solutions, which may compete with Halliburton in some fields.

3. Medtronic: Medtronic is a world-renowned medical technology company, providing a variety of medical equipment and solutions, surgical instruments, heart and vascular treatment. And will compete with Halliburton in some areas.