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[ Global Market for Seawater and Brackish Water Desalination Plants Slated for High Growth Through 2012 ] ERI and PX Pressure Exchanger History 2008 Inc 500 Fastest Growing Companies Ranked No. 4 in the Top 50 Environmental Services Companies Ranked No. 17 in the Top 100 Businesses in San Francisco-Oakland-Fremont CA PX Pressure Exchanger Finalist - Pump Industry Awards 2008 Hans Peter Michelet - Executive Chairman of the Board of Directors  Energy Recovery Inc.  of San Leandro  California  is named EX-IM Bank's Environmental Exporter of the Year Energy Recovery discloses expected IPO terms Energy Recovery registers for IPO Energy Recovery Inc. MSN Money Energy Recovery Inc. Inc5000 World Business Review - Energy Recovery Inc .
 state or province of headquarters: Energy Recovery Inc., California
Given a phrase that describes the relationship between two words, extract the words and the lexical relationship between them. The output format should be "relation1: word1, word2; relation2: word3, word4". 
Option: cities of residence, top members employees, members, alternate names, origin, state or provinces of residence, title of person, spouse, city of headquarters, NA, founded by, state or province of headquarters, employee of, countries of residence, country of birth, founded, subsidiaries, country of headquarters 
Text: {0} 
Answer:
 state or province of headquarters: Energy Recovery Inc., California