The 2025 edition of the Business Reference Guide (BRG) is now available for preorder at a discounted price if you click here. But you need to order by December 31 to get the discount. Now in its 35th year, it contains the latest industry-related information including rules of thumb, pricing tips, benchmarking information with comparison data, industry resources, and general industry data on over 800 types of businesses. There is also an online version with a fully searchable database, and it includes the print version of the guide.