July 7, 2016, Š Leeham Co.: Boeing’s controversial Partnering for Success (PFS) drew ire from its suppliers and scorn from observers for its heavy-handed, threatening cost-cutting demands: shave your costs to Boeing 15%-25% or be put on our own no-fly list of companies that we won’t do business with. Boeing wasn’t shy about who it targeted, or punished. Even supply-chain giant United Technologies was placed on Boeing’s no-fly list when it balked at the onerous demand.