RMGS to sell and support Upland’s Tenrox professional services automation (PSA) application AUSTIN, Texas, Sept. 15, 2015 /PRNewswire/ — Upland Software, Inc. (Nasdaq: UPLD), a leader in cloud-based Enterprise Work Management applications, today announced that it is partnering with RMGS to expand the availability of Upland’s software applications in the Middle East. RMGS, an international technology…