Ubiquiti Networks (NASDAQ: UBNT) is closing the digital divide by building network communication platforms for everyone and everywhere. With over 10 million devices deployed in over 180 countries, Ubiquiti is transforming under-networked businesses and communities. Our leading edge platforms, airMAX™, UniFi™, airFiber™, airVision™, mFi™ and EdgeMAX™ combine innovative technology, disruptive price performance and the support of a global user community to eliminate barriers to connectivity.

via About Us | Ubiquiti Networks, Inc..

Ubiquiti is a competitor of Ruckus wireless.  Here’s an interesting review using some of Ruckus’ products.

Another competitor is Xirrus.  And also Aruba and of course Cisco.