What is the ruling on a pharmacy contracting with commercial insurance companies to sell medicines to their subscribers?

It is impermissible to contract with commercial insurance companies to sell them what assists them in their work, because it is cooperation in sin and aggression, "And do not cooperate in sin and aggression." Selling medicines to these companies, or contracting with them to sell them to their insured clients, is forbidden because it assists the company in void contracts and unjustly taking money.