Occidental Petroleum (NYSE: OXY) has become one of the more popular stocks in the energy sector. Warren Buffett has a lot to do with its popularity. His company, Berkshire Hathaway, owns more than a quarter of the oil producer's shares.

However, there are a lot of interesting investments in the energy sector beyond Occidental Petroleum. Helmerich Payne (NYSE: HP), Brookfield Renewable (NYSE: BEPC)(NYSE: BEP), and EnLink (NYSE: ENLC) currently stand out to a few Fool.com contributors as even better investment opportunities. Here's why they think investors should look beyond Occidental Petroleum and consider one of these energy stocks instead.

Tyler Crowe (Helmerich Payne): Oil producers get most investors' attention, but some of the companies that make oil production possible can be the better investments. The shale boom and subsequent bust through much of the 2010s was a challenging time for oil services and equipment companies. Too many rigs and not enough work led to major industry contraction and consolidation.

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Source Fool.com