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The quality you need – The Scott-Gross Company offers highly specialized gas mixtures for a wide variety of industries and markets. From Continuous Emissions Monitoring for the Power Generation industry to precise custom blended gases for synthetic fuel research and production. The Scott-Gross Company can be your single source for all of your specialty gases and equipment.

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Delivered as you want it – Our State-of-the-Art Laboratory can produce a wide variety of pure and mixed gases in purities up to grade 5.5 (99.9995). We routinely produce pure and custom mixed gases for University Research, Healthcare, Industrial and Pharmaceutical Companies.

When you want it – Because we have our own laboratory, we can be very responsive to our customer's needs. Need a custom gas in a rush? Tell us what you need. If we can't meet all your requirements, we belong to a network of over 30 Purity Plus laboratories across the nation. We're ready to serve.

Scott-Gross Company, Inc.
664 Magnolia Avenue, Lexington, KY 40505


ISO/IEC 17025:2005

PJLA Calibration ISO IEC 17025-2005  PJLA Testing ISO IEC 17025-2005

Scott-Gross Customer Matrix

We provide customer-focused solutions that will help you achieve your goals. Our sales representatives will help you determine the best product, cylinder size, delivery method and delivery time that controls your cost.

That's just the beginning, we don't stop there. Ease of doing business, gas and cylinder safety training, courteous customer service and delivery, attractive cylinders, it's all part of the total support you'll receive.

A Vast Line of Products Tailored to your needs...


Pure Gases
  • Helium
  • Nitrogen
  • Air
  • Hydrogen
  • Carbon Dioxide
  • Argon
  • Additional Pure Gases
  • USP and NF Purity Gases
  • Atomic Absorption Fuels
  • GC Carrier and Detector Gases - UHP through Research Grade


Calibration Gases
  • Custom Mixtures
  • EPA Protocol
  • CEMs Nitrogen
  • TO-14 and TO-15 Standards
  • BTU Standards
  • High purity, carrier-grade helium for analyzers
  • Sulfur Standards
  • Moisture Standards
  • Hydrocarbon Standards (Gases and Liquid)
  • PIANO Standards
  • PAMS (Photochemical Assessment Monitoring Systems)
  • BTEX Standards
  • Mixtures for Daniel’s Danalyzer
  • Mixtures for Total Flow analyzers
  • Synthetic Natural Gases
  • Formaldehyde Gas Mixtures
  • Custody Standards
  • Zero Air
  • Methane
  • Carbon Monoxide
  • Nitrogen Dioxide


Special Application Mixtures
  • Electron Capture Mixtures
  • Flame Ionization Fuel Mixtures
  • Nuclear Counter Blends
  • Laser Mixtures
  • TCD Carrier Gas Mixtures
  • Custom Gas Mixtures


Semi Conductor Gases
  • Silane
  • Diborane
  • Phosline
  • Sulfer Hexafluoride


Gas Delivery Equipment
  • Single Stage Regulators
  • Two Stage Regulators
  • Protocol Stations
  • Automatic Switch-Over
  • Manifolds
  • Cylinder heating jackets Class1, Div2, Group B, C and D


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