Depends on a number of variables. The driving record of the owner and/or employee driving for the owner, what type of materials are hauled (hazmat haulers pay significantly more), etc.
You can find cheap commercial truck insurance at www.InsurMart.net.
Allstate is your best bet for commercial truck insurance.
You can visit www.truckinsure.com for online quotes for commercial truck insurance.
You can go to dmv.com to search for commercial truck insurance.
Progressive offers insurance for commercial trucks (www.progressivecommercial.com/insurance/truck-insurance.aspx). TruckersReport.com also allows you to calculate and compare insurance rates from different companies. http://www.thetruckersreport.com/insurance-calculator/
There are several places one can get commercial trucking insurance. These include Progressive Commercial, OOIDA Trucking Insurance, 1st Guard, and Royal Truck Insurance.
There are a wide range of options available for one looking for insurance on a heavy truck. Some of the companies to consider for insurance are Progressive Commercial, Truck Insure and Nationwide.
If you are operating a commercial semi-truck, then you need truck insurance which can be provided by insurance companies such as progressive. Progressive has insurance for all types of trucks and has many coverage options.
Many people use www.commercialtruckinsurancenitic.com
Truck insurance will vary a lot on your state, type of truck, and personal backround (including driving record.) You can expect to pay about $150 a month for insurance.
A commercial vehicle such as a truck or limo needs to have a very high coverage cost because they are used for commercial purposes. The most common insurance for them is comprehensive insurance.
Try this website www.truckinsuranceaaa.com. They claim to specialize in commercial policies.