About Us

Founded in 2000, Diamond Operating Inc. is a leading oil and gas trading and procurement company headquartered in Boulder, Colorado, with a branch office in Houston. We operate with refinery partners across key global hubs including Rotterdam, Houston, Jurong, Fujairah, Zhoushan, Qingdao, and other major ports worldwide. Over the years, we have built a strong reputation for integrity, transparency, and execution in petroleum product sales and global supply chain coordination.

Our focus is on securing and delivering refined petroleum products through vetted channels with clearly defined seller procedures and no upfront financial demands. We serve end buyers, mandates, and intermediaries who are logistically and financiallyprepared to transact under real, verifiable conditions.

To be a global benchmark in oil and gas procurement by connecting credible buyers with reliable suppliers, upholding the highest standards of transparency, professionalism, and compliance in every transaction.

Access to energy helps improve lives by driving human progress and enabling the benefits of modern society. That’s why we’re constantly working to provide reliable, affordable and ever-cleaner energy for the millions around the world that rely on us. Our greatest resource is our people. Their ingenuity, creativity and collaboration have met the complex challenges of energy’s past. Together, we’ll take on the future. We’re leaders in energy because we value responsibility, trust and integrity. This unwavering dedication to quality drives our company culture and will keep us ahead for years to come.

To simplify and secure the petroleum trading process by aligning prepared buyers with real allocations, leveraging long-standing supplier relationships, and ensuring the smooth flow of goods under strict procedural integrity.

Diamond Operating Inc. supplies a wide range of refined petroleum products, including: • EN590 (10 ppm Ultra-Low Sulfur Diesel) • Jet Fuel A1 and JP54 • D6 Virgin Fuel Oil • Mazut M100 • Gasoline • LNG and LPG • Petroleum Coke (Petcoke) • Diesel D2 • Other refined petroleum products upon request We operate under well-defined seller procedures with firm allocations and a zero- tolerance policy for document gathering or logistical unreadiness.

• Integrity: Upholding transparency and honesty at every stage of our operations.
• Accountability: Delivering on promises and standing by our commitments.
• Professionalism: Maintaining industry standards and respect in all dealings.
• Confidentiality: Protecting sensitive information and respecting intermediaries.

• Established Track Record: Over two decades of industry experience with a wide network of credible refinery and tank partners.
• Strategic Global Reach: Operations and partnerships across all major international petroleum hubs.
• No Upfront Payment: Our procedures never require advance payment to us or our suppliers. Buyers verify products first.
• Direct Refinery Links: Work directly with vetted refiners under authentic allocation and documentation protocols.
• Transparent Procedures: Clearly defined steps from ICPO to injection, with mandatory tank readiness and inspection.
• Protection Against Circumvention: Buyer NDAs and intermediary into our transaction protocols.

We maintain access to product allocations and storage through our refinery and terminal partnerships in:
• Rotterdam
• Houston
• Jurong
• Fujairah
• Zhoushan
• Qingdao
• And other international hubs upon request

We strictly comply with international trade regulations, documentation standards, and port authority rules. Our partners are vetted to ensure legal and ethical sourcing, and we maintain internal controls to prevent circumvention and misrepresentation. We welcome inquiries from serious, logistics-ready buyers and buyer mandates. Let us help you navigate the global energy market with precision and confidence.