Nitrogen Gas Manufacturers
| Valley National Gases Inc (West Mifflin, PA) |
| Matheson Tri-Gas, Inc. (Montgomeryville, PA)
Manufacturer |
| Accurate Gas Products Llc (Lafayette, LA) |
| Acetylene Oxygen Co (San Benito, TX) |
| Adirondack Compressed Gases (Utica, NY) |
| Adm (Burlington, WY) |
| Advanced Gas & Welding (Middlefield, OH) |
| Advantage Gases & Tools (Presque Isle, ME) |
| Aerogas Inc (Orlando, FL) |
| Aeropres Corp (Shreveport, LA) |
| Aga Gas Inc (Bozrah, CT) |
| Air Gas (Terre Haute, IN) |
| Air Gas Intermountain (Colorado Springs, CO) |
| Air Liquide America Corp (Union City, CA) |
| Air Liquide America Corp (Augusta, GA) |
| Air Liquide America Corp (Stafford, TX) |
| Air Liquide America Corp (Spartanburg, SC) |
| Air Liquide America Corp (Sparks, NV) |
| Air Liquide America Corp (Donora, PA) |
| Air Liquide America Corp (Samoa, CA) |
| Air Liquide America Corp (Essex Junction, VT) |
| Air Liquide America Corp Lp (Anchorage, AK) |
| Air Liquide Large Industries (Feura Bush, NY) |
| Air Products & Chemicals Inc (Chicago, IL) |
| Air Products & Chemicals Inc (Smithville, MO) |
