At this time the only company that manufactures Glow Sticks and Light Sticks in the USA is Cyalume Technologies Inc.; their glowsticks and lightsticks meet rigid military specs. The company headquarters is located in West Springfield MA; Cyalume employees 120 people. Their Light Bars are branded SnapLight and ChemLights; these brands can be found on the Amazon and Cyalume website pages.
The ChemLights and SnapLights come in various colors, they can be purchased with different duration of illumination times. The Orange-HI (made to order) Chem Lights work for 5 minutes. Other Glow Sticks can stay illuminated for up to 12 hours.
The Chemical Glow Sticks are a safe light product, they are made with non toxic chemicals and do not produce flames or sparks. They can be used in severe weather conditions, and close to combustible liquids and gasses; eliminating the chance of a fire or explosion.
If your searching for Glow Sticks Bulk, scroll down and find the email address of Cyalume, send them an email for a price.