Payroll Liabilities

Hi, is there a way to set up two payroll liability accounts? We own one business that runs two businesses from that one business. (A fire prevention business and a restaurant hood cleaning business, all associated) I would like to track payroll using two separate business checking accounts and run two separate payrolls but run everything into one company. Is this possible without having two companies? I can't see where I can tell payroll which payroll liability account to use. We want to do this for liability insurance purposes. We need liability insurance for the fire prevention part of the business, but don't need insurance for the cleaning part of the business. We have to show proof by payroll to the insurance company. I would like to separate into two payrolls since we have two different crews???