Ernakulam district is bestowed with all the geographical factors which help the development of industry and it is in the forefront of all other Districts in Kerala in the field of industry. The availability of all types of transport facilities viz., road, rail, canal, sea, air is a factor which is unique to this district.

Some of the major industrial firms in the district are the Fertilizers and Chemicals Travancore, Indian Rare Earths, Hindustan Machine Tools, Appollo Tyres, Hindustan Insecticides, Forest Industries of Travancore, Travancore Cochin Chemicals , Cominco Binani Zinc,  Cochin Shipyard, Cochin Refineries. Availability of electricity, fresh water, fairly long coast line, good banking facility, proximity to Kochi Port, International airport at Nedumbassery are some of the features which accelerated the industrial growth in the District. In addition to this processing zone is situated at Kakkanad. The District consumes major share of electricity of the state.  The Brahmapuram Diesel plant and Pathalam Naphtha plant are in the District.  29037 small scale industrial units are functioning in this district.