Fresh out of Harvard Business School in the early 1980s, Pat O’Connor came back to Houston to work with his father as a commercial real estate broker. But the self-described technology geek quickly realized a sales job wasn’t for him. Having noticed many of the names atop the Fortune 500 list were in publishing, O’Connor shifted his focus from selling apartments to investors – to tracking down data for them instead. Today, Houston-based O’Connor & Associates provides real estate research and data, appraisals, property tax appeals and cost segregation services to real estate professionals and consumers. Revenue in 2016 is expected to be upward of $20 million, mostly from the property tax appeals business. O’Connor lately has been spending much of his time building up the data side of the business, a company called Enriched Data, which he hopes one day could help save the country from another financial collapse. For example, it would give more data about residentia...