Diamond Trucking is a family-owned and operated petroleum transportation company based in Phoenix, AZ, hauling fuel in Arizona since 1986. We currently operate 65 units in our fleet of transports that service our customers throughout the southwest. Diamond Trucking’s core business is delivering a quality finished product for wholesale or retail sites. By providing the “Diamond crew” with some of the best equipment the industry has to offer, we help our customers maintain or build upon their reputation.