Welcome to one of the industries' oldest and most trusted companies, specializing in products and solutions for underground mine ventilation, erosion control, site civil improvements and surface water quality.

Johnston Morehouse Dickey Company (JMD) was established in 1902 and remains an industry leader in the manufacture of mine, shaft, and tunnel ventilation and safety products.

JMD Company offers a complete line of Check Panels, Curtains, Blower Tubing, Fiberglass Ducting, and Abrasion Guarding. We manufacture over twenty grades of synthetic brattice materials in our Nylotex, Airtex, Superweave, and Cleartex-R constructions. We manufacture a complete line of fiberglass ducting, fittings, pipe, storage tanks, and conduit.

All of our ventilation products are MSHA approved for underground use. JMD products are stocked by a national distribution network that is committed to fast, reliable... (more)


"Production run" means making a lot of one product at once. The factories listed under "production" can produce small and/or large quantities. The minimum order for a production run can vary from factory to factory (some have no minimum, some require a dozen, and some require up to 1,000 to be made at once)