Chicago Pneumatic, also known as "CP", is an industrial manufacturer providing power tools, air compressors, generators, light towers and hydraulic equipment.

CP is active on markets such as tools for industrial production, vehicle service, maintenance repair operation for mining, construction, infrastructure equipment.

The first plant to begin manufacturing product specifically for CP was the Boyer Machine Shop in St. Louis, Missouri.

[7] In 1901, Chicago Pneumatic Tool Co. took over the Grant Company in Franklin, PA, which had produced lathes, boring mills, drilling machines and railway machinery.

The Franklin plant went onto produce Little Giant trucks (1911-1917), portable compressors, electrical powerplants, and drill rigs.

Offices were opened in England, Canada, and Germany; and new lines of products had been developed such as air tools and rock drills.

Teams research, develop, design, build prototypes, test, and certify industrial tools on the market.

Industrial (Metalworking and Energy) and vehicle service tools are also manufactured in Budapest, Hungary, Qingdao, China, Nashik, India, Osaka, Japan, and Clifton, New Jersey, United States.

In Essen, specialized teams design and produce medium-size to heavy rig-mounted hydraulic breakers, from 550 kg (1,212 lb.)

Plants in Kalmar, Sweden), and Nasik, India, collaborate closely on product design, prototypes and testing of the pneumatic handheld tools.

[citation needed] The company Neuman & Esser acquired the Chicago Pneumatic Tool Co. reciprocating compressor technology in 1993.