Diamond International offers a range of new and used trucks and parts. The company maintains various body shops. Diamond International is a part of Diamond Companies, which also operates Diamond Idealease and Diamond State Bus Company. Diamond Companies is a privately owned and operated business that offers a variety of transportation solutions. The company employs a staff of over 600 people and maintains nearly 15 locations. Diamond Companies has been in operation since 1999. The company s dealerships offer a selection of trucks medium- and heavy-duty trucks from International. In addition, Diamond Companies provides various financial options through Navistar Financial Corporation.