What is the ruling regarding my salary from a car rental company, if the cars are used to transport, distribute, and service companies that operate in the field of cigarettes?

It is religiously forbidden to rent out cars for the purpose of transporting cigarettes for sale, because that involves cooperation in sin and aggression. However, if you are not involved in that, then your work in the company regarding its permissible activities is not forbidden, and your salary is lawful.