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Since early 2014, starting from activities in The Netherlands, Houston-based DCG Partnership (USA) has expanded the global distribution network significantly with over 40 distribution partners, key account programs and substantial growth of the customer service and technical support staff. This offers clients around the world the ability to work with the wide range of products and services offered by DCG. With the ISO 17025 and ISO Guide-34 accreditation, the company has taken a strong position as an international leader in gas and liquid standards for the hydrocarbon, natural gas, refining and biofuels industries.

Calibration Standards Partnership Expands Global Distribution

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In a range of petroleum products such as crude oils, feedstock and fuels Detailed Hydrocarbon Analysis (DHA) is performed to provide crucial information on the molecular composition of the products. The crucial factor for accurate analysis is the calibration, which requires high quality certified reference materials. Find out more about our product offerings specifically for DHA analysis.

confidence in detailed hydrocarbon analysis (DHA)

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Thank you for visiting our new online home! We are excited to offer an enhanced customer experience.

Please pardon our construction as we continue to build, enhance, and expand this new site!  Stay tuned for additional functionality and feel free to contact us in the meantime for any needs you may have, including customer service.

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Premier global manufacturer of certified reference materials

Certified Reference Materials

  • Liquid and Gas Calibration Standards
  • GC and GC-MS
  • Trace Elemental & Combustion
  • ED-XRF

Regulators, Gas Handling Equipment, and Accessories

  • Brass or stainless steel regulators
  • Switchover manifolds
  • Cylinders and heated cylinder blankets

Analytical and Educational Services

  • Audit standards and round robin standards
  • School of Chromatography
  • Method development and sample analysis


Celebrating recent ISO 17025 and ISO GUIDE 34 Accreditation and providing over 25 years of quality service and comprehensive product offerings,  Houston-based DCG Partnership I, LTD. is an international leader in gas and liquid standards for the hydrocarbon, natural gas, refining, and biofuels industries.

Because precision-based calibration of analytic instruments is imperative in today’s market, pride is taken along every step of the certified reference material manufacturing process, from the  raw product to the meticulous blending of the gases or liquids, to the complete final analysis and certification.

Our highly qualified chemists custom‐ blend standards that are quality checked and guaranteed for accuracy and precision to meet stringent requirements.

DCG Partnership I, LTD. is a premier global manufacturer of certified reference materials for the hydrocarbon, natural gas, refining, and biofuels industries.

By providing you with certified reference materials for gases and liquids for the hydrocarbon, natural gas, refining, and biofuels industries, we take pride in being a dependable source of high quality products, technical expertise, training, and support for confident compliance with analytical and regulated methods, such as those required by the ASTM, GPA, and ISO regulatory agencies.

high standards

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