Contact your competitors. Call, like any customer, and ask for pricing information. Quick and easy. Find out about competitor's costs. Use trade groups, suppliers' sales reps, former employees.
Trade associations are a great source of pricing data.
Use the library and the Internet to find these appropriate trade associations. This can be your most valuable research tool. Search the Internet using any of the major search engines. With this information and your own costs you can determine where you set your own pricing and still be competitive. You may be able to price higher and still win customers within your market niche.