Key Takeaways Midstream players like Enbridge, Enterprise Products and Williams are less exposed to price swings.Enterprise Products' 50,000-mile pipeline and storage network drive steady fee-based cash flows.Williams' 33,000-mile gas pipeline system positions it to benefit from U.S. clean energy demand.Most companies belonging to the energy sector are highly vulnerable to the volatility in oil and natural gas prices. With the fluctuations in oil and gas prices, their cash flow generation varies, thereby ma ...