Secondary Sector (Manufacturing and Industry) Manufacturing and Industry sector known as the secondary sector, sometimes as the production sector, includes all branches of human activities that transform raw materials into products or goods. The secondary sector includes secondary processing of raw materials, food manufacturing, textile manufacturing and industry. Most of this sector is mechanical engineering. Other sectors of economy: Raw materials (primary sector) Service sector (tertiary sector) The secondary sector is often divided into heavy industry and light industry (see mechanical engineering). Each business, organization or professional group, chamber or guild may also have their own classification. The secondary sector forms a substantial part of GDP, it creates values (goods) and it is the engine of economic growth and is crucial for all developed economies, although the trend, in most developed countries, is the predominant tertiary sector. Basic list of Manufacturing and Industry sector or secondary sector is following: Automotive Electrical industry Chemical Industry Energy industry (according to some sources it is on the border of the tertiary sector) Metallurgical industry Construction Industry Food Industry Glass industry Textile and clothing industry Consumer goods industry (all consumables) Each country has a different ratio of different industries, according to local conditions and industrial traditions. For a more detailed breakdown of the secondary sector into individual branches and into individual economic activities, there are used different classifications of human activities. Other information and sources (International) European Commission Industry Sectors Overview