In-Stat expects enterprises to continue to spend the most on this area for at least the next five years, with LAN switch spending experiencing a 6% CAGR in this market. While LAN switch spending accounts for the largest amount of spending, it is security appliances and enterprise WLAN access points that will see the most growth, each increasing with double-digit annual growth through 2011. In-Stat expects networking infrastructure spending growth trends to be fairly similar across size of business within the enterprise market. The largest enterprises, those firms with more than 10,000 employees account for the largest share of this market, roughly 53%. Enterprises account for 49% of US business networking infrastructure spending.