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Ohio Valley Specialty Company

Ohio Valley Specialty Company is a small, privately owned business located in Marietta, Ohio. With more than 50 years of experience in the field of gas chromatography.

They have gained a worldwide reputation as being the standard in the industry for their complete line of high quality OV® liquid phases and have manufactured liquid phases since 1966. Their OV phases such as OV-1, OV-17, and OV-624 can be found in GC labs around the world.

Gas Chromatography Columns

Capillary columns made with genuine OV® liquid phases, that are individually tested and supplied with a test Chromatogram. Ohio Valley Specialty Company also offers GC Packed Columns in glass, metal, and PTFE and several different GC Column Packings.


Ferrules in 100% Graphite, 60% Polyimide/40% Graphite, 85% Polyimide/15% Graphite, 100% Polyimide, and 100% PTFE ferrules. Various combinations of reducing ferrules are available.


Hamilton product lines, including syringes, needle packs, syringe pumps, and accessories. SGE complete product lines and VICI Precision Sampling Pressure-Lok® syringes are also available from Ohio Valley.

Premium Tubing for Chromatography

Ohio Valley Specialty Company offers tubing for General GC use, as well as SilicoStel & Sulfur Ready treated tubing. We offer several tubing types including 304 SS, 316 SS, Copper, Nickel, Aluminum, PTFE. Tubing sizes available in 1/16, 1/8, 1/4, 3/16 & 3/8″


  • Pre-Cleaned for General GC Use
  • SilicoStel Treatment
  • Sulfur Ready Treatment