The main customer groups of Vichaivej Hospital Group consist of 2 main groups: (1) General customers (Non-Capitation), including general individual customers, life insurance customers, contract customers, car accident customers, and customers of the Compensation Fund project. (2) Government project customers (Capitation), including customers of the Social Security Fund project. In addition, the Company has expanded its customer base to include health check-ups at workplaces, government officials and their families under the project for direct payment of medical expenses for patients according to the Diagnosis-Related Groups (DRGs), and foreign customers who wish to travel for treatment in Thailand, including those residing in Thailand and those traveling to or working in Thailand. The main revenue of Vichaivej Hospital Group is divided into 2 main types according to the type of customer: (1) Revenue from general customers (Non-Capitation) and (2) Revenue from capitation customers under government projects (Capitation). Non-Capitation revenue consists of outpatient revenue (Non-Capitation OPD) and inpatient revenue (Non-Capitation IPD).

Each hospital has its own unique service offerings. As follows:

• Vichaivej Hospital Om Noi provides 24-hour medical treatment by specialized doctors, with services in the outpatient department (OPD) by specialized doctors until midnight. Specialized clinics are available, such as comprehensive laparoscopic surgery, orthopedic surgery, urology, vascular surgery, cardiology, nephrology and hemodialysis center, endocrinology, neurology, gastroenterology, pediatric clinic, obstetrics and gynecology clinic, emergency accident center, dental center, health check-up center, Thai Filos Anti-Aging Center. There is a Positive Pressure operating room that is 100% free of germs, dust and moisture according to international standards. In addition, a magnetic resonance imaging (MRI) center is also available to enhance the potential of medical services and provide diagnosis with modern tools and technology. MRI scans provide clear imaging of bodily abnormalities in the body with very few side effects for patients. Helping doctors diagnose and treat diseases more effectively. The hospital has also been certified for the establishment of a stroke unit under the Stroke Service Development Project to reduce mortality rates in the elderly. It has also opened the Advanced Vichaivej Interventional Radiology Center, which uses radiological instruments to guide the diagnosis and treatment of arterial and venous diseases, including cancer (Interventional Radiology) by specialized physicians and radiological equipment.

• Vichaivej Hospital Nong Khaem is a hospital that provides comprehensive medical care and consultation services. It has a team of specialized physicians offering expertise in various medical fields, with a particular focus on the Vichaivej Cardiac Center—a highly equipped and efficient facility providing a full range of cardiac services. These include prevention, early diagnosis, treatment, and cardiac rehabilitation, as well as 24-hour critical care for heart patients.The hospital's cardiology team consists of cardiologists and cardiothoracic surgeons, supported by a team of nurses and medical personnel who have received specialized training in cardiac patient care. The center is led by Dr. Wattana Boonsom, a specialist in cardiology and vascular disease, who also serves as Director of the Heart Center at Vichaivej International Hospital Group. In addition, Vichaivej Hospital Nong Khaem offers a range of specialized medical centers, including:Orthopedic CenterChild Development CenterPediatric CenterLaparoscopic Surgery CenterObstetrics and Gynecology CenteriSKY Skin and Laser Surgery Center, a nationally renowned and accredited international-standard aesthetic laser surgery centerComprehensive Health Check-up CenterI-SHA Anti-Aging Medical CenterThe hospital also has an International Patient Service Center dedicated to providing comprehensive support and medical facilitation to ensure the highest level of convenience and quality care for all patients.On May 31, 2023, a Heart and Vascular Disease Treatment Center was established at Phol Phla Phayuhasen Hospital in Kanchanaburi Province. This center was set up to accommodate heart patients from Phol Phla Phayuhasen Hospital, a district hospital in Kanchanaburi, as well as those from neighboring provinces.

• Vichaivej Hospital Samut Sakhon offers comprehensive medical services across all specialties, similar to Vichaivej Hospital Om Noi. It specializes in off-site health check-up services, catering to private enterprises, government agencies, and state enterprises nationwide.The hospital also operates a state-of-the-art Occupational Health Check-up Center, equipped with advanced medical technology to assess work-related health impacts. Additionally, it houses a fully equipped laboratory with modern diagnostic tools for blood analysis and other medical testing.Furthermore, Vichaivej Hospital Samut Sakhon has clinics in Mae Sot District, Tak Province, and Aranyaprathet District, Sa Kaeo Province, offering medical services to international patients along the Myanmar and Cambodia border regions. The hospital has also partnered with medical institutions in the Republic of the Union of Myanmar to conduct health check-ups for migrant workers in Yangon, Myanmar.Additionally, the hospital has established Vichaivej Ranong Polyclinic in Khao Niwet Subdistrict, Mueang District, Ranong Province, providing general medical consultations and laboratory testing services to patients in Ranong and nearby areas.

•Vichaivej Hospital Yaek Fai Chai is committed to developing into a specialized medical center, leveraging its strategic location near residential communities, hospitals, and medical schools. The hospital offers specialized services through various centers, including the iSKY Beauty Center, Smile Operations Dental Center, Orthopedic Center, Health Check-up Center, Accident and Emergency Center, and the Akarabut Infertility Center.The Akarabut Infertility Center provides state-of-the-art infertility treatments using advanced reproductive technologies. A highly skilled team of reproductive medicine specialists and experienced embryologists ensures excellent patient care, with an in vitro fertilization (IVF) success rate of up to 85%. The center is also equipped with a cutting-edge embryo culture lab, a semen analysis and selection lab, embryo chromosome testing facilities, and the latest reproductive technologies within a highly sterile environment.Currently, the hospital is undergoing progressive renovations to modernize its facilities and infrastructure, enhancing its role as a leading specialized medical center in various fields.