Workers to strike at Rolls-Royce supplier owned by Warren Buffett’s Berkshire Hathaway Business Almost 200 workers at a supplier to the likes of Airbus, Rolls-Royce and BAE Systems are to strike over an “unacceptable” pay offer. The employees at SPS Technologies in Leicester will begin industrial action later this month, union Unite has confirmed. SPS Technologies is part of Precision Castparts Corp which is owned by Warren Buffett’s [...]