California-based TriNet opened a new office July 18 in Riata Corporate Park, 12331-B Riata Trace Parkway, Bldg. 4, Ste. 300, Austin. TriNet is a cloud-based human resources services company and has hired 80 localengineers. The new office also houses TriNet's technology, sales and service departments. 512-354-8877. www.trinet.com