Titleist golf balls are primarily made in the United States at two main manufacturing facilities in Massachusetts: Ball Plant 3 in Fairhaven (New Bedford area) and Ball Plant 2 in North Dartmouth. The Pro V1 and Pro V1x models are produced at Ball Plant 3, while the AVX model is made at Ball Plant 2. These plants handle the entire manufacturing process from core formulation to finishing and quality checks

. In addition to the U.S. facilities, Titleist also operates a Ball Plant 4 in Thailand, which mainly serves international markets but sometimes supplies golf balls to the U.S. market when demand is high

. Overall, about 80% of Titleist golf balls are made in the U.S., with the remainder produced in Thailand. Titleist is known for stringent quality control, with Pro V1 balls undergoing around 90 quality checks during production

. In summary:

• Main production plants: Ball Plant 3 (Fairhaven, MA) and Ball Plant 2 (North Dartmouth, MA), USA
• Additional plant: Ball Plant 4 in Thailand (international and some U.S. supply)
• Majority of golf balls sold in the U.S. are made in the U.S.
• Titleist manufactures all golf balls in its own facilities, ensuring high quality