dAddario

D'Addario (often stylized as DAddario) is an American manufacturer of musical instrument strings and accessories. Headquartered in Farmingdale, New York, the company supplies strings for guitars, basses, classical instruments, and orchestral strings, and sells related accessories such as tuners, cables, capos and straps.

The company traces its family origins in string making to the Abruzzo region of Italy, and in its modern form has grown into a multinational business serving amateur and professional musicians. D'Addario markets products under several brands, including its eponymous D'Addario strings and the Planet Waves line of accessories. Its portfolio has expanded to include drumheads, reeds and other categories through brand development and acquisitions.

D'Addario has placed emphasis on product innovation and quality control, promoting developments in string metallurgy and manufacturing processes to improve tuning stability, longevity and tonal consistency. It maintains manufacturing and research operations in the United States and abroad to support global distribution and artist programs.

In addition to commercial activities, the company supports music education and community initiatives through grants and partnerships. D'Addario works with artists for endorsements and product feedback and participates in industry trade events. The company is recognized for its long-standing presence in the musical instrument supply market and for maintaining a diverse product range for different musical styles and playing levels.