National Meter Industries, Inc. (NMI) of Bedford, New Hampshire is the manufacturer of the "WATT WATCHER" Series of microprocessor based electric sub-meters, power quality analyzers, AMR systems, digital instrumentation & renewable energy (solar / wind) meters. NMI is the market leader in technology throughout the entire product array. NMI not only provides the metering hardware and software but goes beyond the sale to provide after sales support to the Electrical Contractor and End User. NMI also offers a Third Party meter reading and billing service through it's sister company Meter Service Provider, Inc.