Plumbob All HQ
Toll Free: 800-854-2834
Hours: 9AM-7PM PST Everyday
Our company Plumbob Publishing is a thrown back to the era when journalists actually tried to verify what they write, where they get information and how well they convey it. A plumbob is a carpenter's tool that insures calculates are straight and true.
Feel free to contact any office for customer service or other questions.