the ranking of the top oil and gas companies in the USA can change due to various factors including market dynamics, mergers, acquisitions, and shifts in production. However, here’s a list of some prominent ones as of that time:
# Exxon Mobil Corporation
# Chevron Corporation
# ConocoPhillips
# Occidental Petroleum Corporation
# Phillips 66
# Marathon Petroleum Corporation
# Kinder Morgan, Inc.
# Valero Energy Corporation
# EOG Resources, Inc.
# Devon Energy Corporation
Keep in mind that this list might have changed since then. It’s always a good idea to consult the latest financial reports and industry analyses for the most current information.