D’Addario is an American company best known for manufacturing high-quality guitar and bass strings, as well as a range of accessories, including tuners, picks, straps, and cables. Founded in the 1600s, D’Addario has a long history of producing some of the most trusted strings in the industry, with their **EJ series** for acoustic and electric guitars being particularly popular. The company is known for its precision engineering and commitment to quality, ensuring that musicians get reliable, consistent performance from their gear. D’Addario’s strings are favoured by musicians across a wide variety of genres for their durability, tone, and playability.