This shop has a bunch of different styles but seems to specialize in Persion Bijars. Albert (the owner) is so knowledgeable and helpful. A tad pricey but worth it.
All reviews seem positive
For the past 31 years, I have run Borokhim's Oriental Rug Store, where I collect and sell Bijars along with many other types of quality Oriental rugs. With purchasing agents in Iran 365 days a year. I can obtain nearly anything to match your taste. Thousands of references are available upon request. Over 2000 Rugs In Stock! Traditional, Modern & Tribal for Over 40 Years. Very Competitive Prices No Sales Gimmicks Cleaning Repairs And Appraisals After Hours Number 608-770-8888