The value of “inspecting” the drawing prior to installing!
Nov 5 - Nov 7, Fri - Sun, 8am-4pm
Exchanger / Tower Books are Available
Click to Order
Exchanger / Tower Inspection Books
Exchanger Book: $80
Tower Book Set (Books 1 & 2): $90
Exchanger / Tower Set - includes all 3 books: $150
Shipping cost - calculated by zip code
· More knowledgeable as an Inspector
Complete online registration form,
(option - email or mail registration form)
and mail check or money order to:
DTM Enterprises, 2603 Dupont Pasadena, TX 77503
PayPal payment option available.
Please read our Payment and Refund Policy
Students are responsible for obtaining their own Code books.
API now using electronic testing & code books