Engine company or pumper company A unit that pumps water. Modern engines are almost always "triple-combination" units that have a pump, a tank of water, and hoses. This company has the primary responsibility of supplying water to a scene, to locate and confine the fire, and extinguish the fire. some engines or pumpers are equipped for some levels of medical first response or medium rescue response. Truck company or ladder company A unit that carries ladders and an aerial device and other equipment to access buildings above ground level and assist in other emergencies such as Emergency Medical Response, Hazmat Response, etc. Some truck companies or ladder companies have been designated "quint trucks". Primarily, the truck company or ladder company performs the ladder work and supplies master streams to the fireground. The truck company or ladder company also performs structural ventilation and overhaul, primary and secondary search & rescue, securing of utilities, and often supplies rapid intervention teams. Some ladder trucks also have rescue and medical equipment. There are several types of ladder companies or truck companies in the United States fire service. this includes aerial tower companies,  hook and ladder companies ( also known as tractor drawn aerial ladder trucks or tiller aerial ladder trucks), or in the St. Louis Fire Department, Aerial Platform Trucks, tower ladder companies, etc. Some aerial ladder trucks will also act as quint trucks if necessary. Heavy rescue company A unit that carries a large variety of tools and equipment to assist in the search and rescue of victims at an incident such as a fire, traffic collision or other situations. It may or may not provide emergency medical response services and may or may not transport patients to hospital depending on its response profile. The New York City Fire Department has five heavy rescue companies. The Chicago Fire Department has four heavy squads in service. some departments, including the Albany (New York) Fire Department and Baltimore City Fire Department have only one heavy rescue company. Squad company This type of unit has many different local and regional definitions. In the New York City Fire Department and Baltimore City Fire Department, for example, a squad company is a hybrid company consisting of an apparatus equipped with supplies necessary to perform some levels of rescue operations as well as engine company and truck company operations. In some areas it is identical to a rescue unit or a medic company. A squad in the Los Angeles County Fire Department is a small truck which is the primary response vehicle for rescue and medical responses. it carries a small amount of firefighting, rescue and medical equipment. A fictional squad example is Squad 51 from the TV show Emergency!. It was used by two paramedics in the Los Angeles County Fire Department to respond to a variety of emergencies from medical calls to fire incidents and others  Medic unit/Rescue ambulance A unit that provides EMS (Emergency Medical Services), often at the advanced life support (paramedic) or basic life support/EMT (emergency medical technician) response level. Many fire services offer some form of medical response and ambulance units or medic companies may or may not transport patients to hospitals.  Quint company Short for quintuple-combination engine. The unit has the three items that an engine does -- pump, tank, hose -- but also carries ground ladders and has an aerial device and specialized equipment and tools for certain situations. Tanker or tender truck A unit that has a large water tank. It may or may not also have a pump. Brush patrol unit A unit usually built on a heavy duty pickup chassis with equipment for fighting brush fires. A brush unit typically responds with an engine to major fires, though the brush unit may also respond alone. Helicopter or air ambulance apparatus Depending on the department a helicopter may be in use as an air ambulance or a suppression and Fire observation tool for brush fires. Some are even used for both as in the case of departments like the Los Angeles Fire Department. These units have specialized emergency medical services equipment or firefighting tools to help at certain rescue incidents or fire scenes. Chief sedan vehicle A command car containing a lower ranking chief officer in command of an area/district/division/battalion of a department that contains usually around three or more fire stations that responds to large fires, mass casualty incidents, and any emergency with more than one unit responding. These vehicles have equipment that assist in providing command and control at fires or other incidents  . EMS supervisor or EMS captain sedan Similar to a chief sedan vehicle the EMS supervisor sedan or EMS captain sedan contains a chief officer or other officers for emergency medical services which usually responds to large emergencies, and is usually tasked with directing medical resources on scene. These units have specialized equipment to help these members give instructions and provide command and control at certain scenes.
Engine company or pumper company A unit that pumps water. Modern engines are almost always "triple-combination" units that have a pump, a tank of water, and hoses. This company has the primary responsibility of supplying water to a scene, to locate and confine the fire, and extinguish the fire. some engines or pumpers are equipped for some levels of medical first response or medium rescue response. Truck company or ladder company A unit that carries ladders and an aerial device and other equipment to access buildings above ground level and assist in other emergencies such as Emergency Medical Response, Hazmat Response, etc. Some truck companies or ladder companies have been designated "quint trucks". Primarily, the truck company or ladder company performs the ladder work and supplies master streams to the fireground. The truck company or ladder company also performs structural ventilation and overhaul, primary and secondary search & rescue, securing of utilities, and often supplies rapid intervention teams. Some ladder trucks also have rescue and medical equipment. There are several types of ladder companies or truck companies in the United States fire service. this includes aerial tower companies, (the Chicago Fire Department has one Aerial Tower Company) hook and ladder companies ( which are operated by tractor drawn aerial ladder trucks or tiller aerial ladder trucks), or in the St. Louis Fire Department, Aerial Platform Trucks, tower ladder companies, etc. Some aerial ladder trucks will also act as quint trucks if necessary. Heavy rescue company A unit that carries a large variety of tools and equipment to assist in the search and rescue of victims at an incident such as a fire, traffic collision or other situations. It may or may not provide emergency medical response services and may or may not transport patients to hospital depending on its response profile. The New York City Fire Department has five heavy rescue companies. The Chicago Fire Department has four heavy squads in service. some departments, including the Albany (New York) Fire Department and Baltimore City Fire Department have only one heavy rescue company. Squad company This type of unit has many different local and regional definitions. In the New York City Fire Department and Baltimore City Fire Department, for example, a squad company is a hybrid company consisting of an apparatus equipped with supplies necessary to perform some levels of rescue operations as well as engine company and truck company operations. In some areas it is identical to a rescue unit or a medic company. A squad in the Los Angeles County Fire Department is a small truck which is the primary response vehicle for rescue and medical responses. it carries a small amount of firefighting, rescue and medical equipment. A fictional squad example is Squad 51 from the TV show Emergency!. It was used by two paramedics in the Los Angeles County Fire Department to respond to a variety of emergencies from medical calls to fire incidents and others . Some volunteer fire departments in the United States have Quick Response Services Squads that respond to medical calls. Medic unit/Rescue ambulance A unit that provides EMS (Emergency Medical Services), often at the advanced life support (paramedic) or basic life support/EMT (emergency medical technician) response level. Many fire services offer some form of medical response and ambulance units or medic companies may or may not transport patients to hospitals. All Rescue Ambulances or Medic Units have a variety of Medical Equipment including Heart Monitors and Defibrillators, Medications, Stabilization Equipment and other gear to respond to a variety of medical or fire/rescue emergencies. Quint company Short for quintuple-combination engine. The unit has the three items that an engine does -- pump, tank, hose -- but also carries ground ladders and has an aerial device and specialized equipment and tools for certain situations. Tanker or tender truck A unit that has a large water tank. It may or may not also have a pump. Brush patrol unit A unit usually built on a heavy duty pickup chassis with equipment for fighting brush fires. A brush unit typically responds with an engine to major fires, though the brush unit may also respond alone. Helicopter or air ambulance apparatus Depending on the department a helicopter may be in use as an air ambulance or a suppression and Fire observation tool for brush fires. Some are even used for both as in the case of departments like the Los Angeles Fire Department. These units have specialized emergency medical services equipment or firefighting tools to help at certain rescue incidents or fire scenes. Chief sedan vehicle A command car containing a lower ranking chief officer in command of an area/district/division/battalion of a department that contains usually around three or more fire stations that responds to large fires, mass casualty incidents, and any emergency with more than one unit responding. These vehicles have equipment that assist in providing command and control at fires or other incidents . Chief vehicles have a variety of different functions depending on which department they are assigned to . EMS supervisor or EMS captain sedan Similar to a chief sedan vehicle the EMS supervisor sedan or EMS captain sedan contains a chief officer or other officers for emergency medical services which usually responds to large emergencies, and is usually tasked with directing medical resources on scene. These units have specialized equipment to help these members give instructions and provide command and control at certain scenes.
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(the Chicago Fire Department has one Aerial Tower Company)
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also known as
which are operated by
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. Some volunteer fire departments in the United States have Quick Response Services Squads that respond to medical calls.
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All Rescue Ambulances or Medic Units have a variety of Medical Equipment including Heart Monitors and Defibrillators, Medications, Stabilization Equipment and other gear to respond to a variety of medical or fire/rescue emergencies.
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. Chief vehicles have a variety of different functions depending on which department they are assigned to