| http://www.w3.org/ns/prov#value | - ERTH Business Technologies Inc. is an operating subsidiary of ERTH Corporation formed in 2001 through the consolidation of SPI Group Inc., a leading provider of services to North American electricity, water and gas markets, including the development and operation of Ontario's largest electricity clearinghouse and Ecaliber Inc., a front-line provider of business services to North American electrici
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