Blue Diamond Industries is a premier manufacturer of high density polyethylene (HDPE) pipe, headquartered in Lexington, Kentu ... cky. BDI understands its customers in construction and commits to be “easy to do business with,” by supplying quality products at competitive prices, and delivering on time. Once a customer, Blue Diamond continually strives to earn the loyalty of its customers by providing exceptional customer service. Our conduit manufacturing plant in Middlesboro, Kentucky has been producing high density polyethylene (HDPE) pipe for over 25 years. Blue Diamond HDPE protects many of the largest fiber optic networks in the United States. Blue Diamond is UL and RUS listed and manufactures HDPE for communication, power (Wind and Solar Energy, Highway and street lighting), FTTH (Fiber to the Home), ITS (Intelligent Transportation Systems), CATV, Geothermal and Industrial Pressure pipe applications. BDI is agile and customer focused. By being able to change product styles and respond to requirements quickly, BDI gives each customer flexibility and dependable service. read more