Sigma has taken the data broker function to the leading edge through the development of easy to use online map-based data query tools. Data QI meetings are always well organized, efficient and customer focused. When a data purchase is made, the delivery of data is consistently reliable for accuracy and completeness of the full suite from basic to final stack. During my 17 years in the industry, I feel that Sigma has always had my best interests in mind throughout the entire licensing process.

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