Contact a local independent insurance agent in your area. Tell them you want to get a commercial general liability quote. They will send you a primary application to fill out, then the underwriter will probably send you what is called a supplemental application which requests more detailed information. Under the nature of business question simply describe in detail what you do for which you want to be insured. The underwriter will apply what is called a "class code" to the quote your receive, specific to your description. The class code is specific to the kind of work you do. It is all general liability coverage, you just want yours to take notice of your particular expertise. They got this...