If you buy something through our links, we may earn money from our affiliate partners. Learn more. Fire extinguishers are usually the first line of defense against devastating blazes. For businesses, a commercial fire extinguisher is a critical piece of equipment that can save life and property in case of a fire emergency. Besides, the Occupational Safety and Health Administration (OSHA) requires employers to provide employees with portable fire extinguishing equipment that they can use to fight incipient stage fires in the workplace. However, finding the best fire extinguisher can be a bit challenging as there are so many types of fire extinguishers available. Each type of extinguisher is created…