CWCC Occidental Petroleum Occidental Petroleum Search | Advanced Search | New Members | Coupons and Discounts | All Categories Other >> Oil & Gas Occidental Petroleum 1099 18th Street #1800Denver, CO 80202 | View on Google Maps Kelsey Olson 7209296000 Visit Site Member Since: 2015 Send a message to: Occidental Petroleum Your Name: Your Email: Subject: Message: (Date: 4/6/2026)