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AES Smart Metering Ltd
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British Gas Metering Operations
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E.ON UK
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EDF Energy
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Energy Assets Ltd
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IMServ Europe Ltd
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Jersey Electricity
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Lowri Beck Services Ltd
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Macquarie (OnStream)
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MANX Utilities Authority
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Momentum Utility Services
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Morrison Data Services
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Morrison Energy Services
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National Grid Metering
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Npower Meter Operator Services
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Octopus Energy Services
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OVO (S) Metering Ltd
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Providor
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Siemens
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SMS
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SP Dataserve Limited
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Stark Utility Funding Ltd
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Utilita Field Services Ltd
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UW Home Services Ltd
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WPD Smart Metering