I am having a communication issue with my landlord and he refuses to tell me the name of his home insurance company for the house i currently reside in.I just need to know how to go about finding this out

I would need to know why you need his property insurance information ?
A landlords HO policy protects his building, (part A) any sheds, detached garages (part B) vandelism if the building is vacant for up to 30days -so depending on what the issue is, the question is why you the renter need this information -
If you were hurt on the property due to neglect , such as rotted steps or faulty wiring, you may have a claim, but other then that, the landlord policy is there to protect the building, the landlords investment, and the bank's investment if the house is financed.

Even if you find out the name of the company...they will not give you any information nor allow you to file a claim because the policy holder is the landlord. Knowing would serve no purpose. If you have a dispute that you can not settle with him...file a claim in small claims court and sue