From Longman Business Dictionary
discriminatedi·scrim·i·nate /dɪˈskrɪməneɪt/ verb [intransitiveI]HUMAN RESOURCESLAW to behave unfairly towards one group of people or one type of company or productdiscriminate againstemployment practices that discriminate against women
The court ruled that the state’s highway-use tax discriminated in favor of trucking companies based in Arkansas and against companies based in other states.