What is the quiet logistics sector?

RTE 2.1 The quiet logistics (NYSE: NGL) sector consists of the logistics, logistics and transportation services sector, which consists of: (1) warehousing, storage and warehousing facilities; (2) equipment; (3) supplies; (4) materials; (5) services; (6) logistics consulting; (7) supply chain management; and (8) logistics and supply chain planning.

Source: NXL Capital Market Research – 2017 – Retail Trade Volume (Q2) and NXL Equity Research – Q3 (Q1)