UPDATE: The original data received from Upslide incorrectly reported Houston CEO Jim Teague's Glassdoor employee approval rating at 9 percent. His actual approval rating is 96 percent, Glassdoor says. The story has been updated to reflect this correction.

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Dallas pipeline executive Kelcy Warren has already struck it rich on the Forbes 400 list, and now he's earning accolades as a top leader among the nation's largest companies.

A new ranking of the top 10 CEOs at Fortune 100 companies puts Warren, chairman and CEO of Dallas-based pipeline company Energy Transfer Partners, in the No. 8 slot, just two notches below Facebook’s Mark Zuckerberg. UpSlide, a provider of productivity software, sifted through data from career website Glassdoor to develop its list. Warren’s employee rating on Glassdoor stands at 97 percent, UpSlide says.

The respect paid to Warren by Energy Transfer Partner employees almost certainly stems, at least in part, from his laid-back demeanor. He reportedly favors a “non-hierarchical, collaborative management style.”

“For all of his success, Warren remains a small-town sort of guy who likes to have buddies to his Dallas mansion on Wednesdays for beers, shuffleboard, and chain yanking,” according to a 2015 article published by the Bloomberg news service.

With a net worth of $4.3 billion, Warren ranks 159th on Forbes’ list of the richest Americans.

Appearing at No. 7 on UpSlide's list is another Texan: Michael Dell, chairman and CEO of Round Rock-based Dell Technologies Inc. The data shows Dell enjoys a 97 percent approval rating from employees of Dell Technologies.

In October 2013, Forbes magazine offered a glimpse into how Dell interacts with employees of the tech company he founded in 1984.

After speaking to a group of Dell workers for about 45 minutes, “more than a dozen employees rush forward to have their picture taken with their iconic chief,” Forbes wrote, “because they know he’ll happily pose — something not many other tech executives would do. He doesn’t disappoint. And he leaves them laughing and cheering again after answering a question about what’s keeping him up at night. ‘I’ve been sleeping pretty well lately.’”

You might be sleeping pretty well, too, if your net worth were $31.4 billion, making Dell the richest person in Austin and the 18th richest person in the U.S.

Another Texas CEO also earns high marks.

A.J. “Jim” Teague, CEO of Houston-based pipeline company Enterprise Products Partners LP, receives a 96 percent approval rating from employees who’ve reviewed him on Glassdoor. He does not appear on the top 10 list.

The Money Inc. website says Teague, who became CEO in 2016, is working to reconfigure the culture at Enterprise Products Partners. “His goal is to shape that culture so that the company itself can become more popular with the general public,” the website notes.

In December, the Greater Houston Port Bureau named Teague its 2020 Maritime Leader of the Year to recognize his support of the Houston Ship Channel.

“Building on the legacy of the late Dan L. Duncan, who started Enterprise in 1968, Teague has remained loyal to the founder’s values of hard work, integrity, and perseverance, with an uncompromising commitment to safety,” the bureau says in a release.