J. G. Boswell Company Tradition, Innovation, and Excellence. From the fertile soil of California’s San Joaquin Valley to the open fields of New South Wales, Australia, the J. G. Boswell Company has a rich history of working with the land. For over 80 years and three generations, Boswell has depended on dedicated people, innovative technology and sold relationships to insure its success. From growing the world’s finest extra long staple Pima cotton to producing some of the finest edible vegetable oils and tomato paste, the Boswell Company is known for its tradition of excellence.