Old acquaintances but news entries in 2012

Among the many changes that took place over the last year, 2012's Security 50 ranking welcomes a few “new” faces — Arecont Vision, Optex, Safran Group, Tiandy Digital Technology, TKH Group and Tyco Security Products. Either through strategic M&A (split in Tyco's case) or organic growth, these companies made it to this year's list with remarkable performance. read more