Gradient: promoting best practice management of supply chain labour standards analyses in-depth, 35 FTSE 350 companies, in six sectors which tend to have extensive developing country supply chains: general retailers, food and drug retailers, food producers, telecommunications, tobacco and beverages. [refers to the following cos. as sector leaders: Marks & Spencer, Sainsbury's, BT, Cadbury Schweppes, British American Tobacco, Diageo]