Refer to the input text as context and select the correct relationship between 'WSO2' and 'middleware' from the available options.
Options: headquarters location, employer, industry, publisher

Tuesday, August 25, 2015 11:48AM IST (6:18AM GMT) (BW)(PACIFIC-CONTROLS) Pacific Controls Acquires Equity in WSO2 Positioning Itself as a Global Leader in Delivering Managed Cloud Services Dubai, United Arab Emirates Pacific Control Systems (PCS), the world leader in Internet of Things (IoT) and machine-to-machine (M2M) solutions, announced that it has invested $20 million into WSO2, an open source cloud application development and middleware company.
industry