www.pmmag.com/articles/100253-the-2017-big-book

The 2017 B.I.G. Book
December 12, 2016
Check out this year’s Brand Information Guide (B.I.G. Book), which is Plumbing and Mechanical’s annual listing of manufacturers and products in the plumbing and heating industry. Use our directory to locate a plumbing manufacturer or distributor for your plumbing product(s).
Read more here.