Suqian provides investors with a complete investment base. Suqian's industrial parks are important driving force of economic growth and the main concentration area of pillar industries. Leading industries are diverse, and infrastructure support is perfect, which provides the most suitable and diverse choices to investment enterprises. 

The Suqian Economic and Technological Development Zone (national level) has a planned area of 118 square kilometers, with a built-up area of 45 square kilometers. Its leading industries include new energy, food and beverage, smart home appliances, and new electronic information. It has been awarded the titles of National Food Industry Park, Chinese Home Appliance Industry Base, Provincial Smart Home Appliance Industrial Park, and Provincial Intellectual Property Pilot Park.

The Shuyang Economic and Technological Development Zone (national level) has a planned area of 61.82 square kilometers, with a built-up area of 45 square kilometers. Its leading industries include textile and clothing, equipment manufacturing, and electronic information. It is a provincial-level smart park, ecological park, intellectual property demonstration park, and national intellectual property pilot park. It has built two characteristic industry parks, including the provincial-level new energy and textile industry parks.

The Suqian High-tech Industrial Development Zone (national level) has a planned area of 50 square kilometers, with a built-up area of 30 square kilometers. Its leading industries include mechanical manufacturing, food and beverage, and new materials. It has built a national film material characteristic industry base, a provincial new material science and technology industrial park, a provincial intellectual property pilot park, a provincial circular economy industrial park, a provincial new industrialization (new material industry) demonstration base, a provincial "Internet + advanced manufacturing" characteristic industry base, and a national Torch Suqian High-tech Zone metal alloy characteristic industry base.

The Sucheng Economic Development Zone has a planned area of 41.69 square kilometers, with a built-up area of 23.4 square kilometers. Its leading industries include textile and clothing, green building materials, and laser optoelectronics. It has been awarded the titles of provincial ecological industrial park, Jiangsu Province intellectual property demonstration park, Jiangsu Province circular transformation demonstration pilot park, Jiangsu Province integration of the two industries demonstration park, Jiangsu Province e-commerce and express logistics collaborative development demonstration base, Jiangsu Province advanced manufacturing and modern service industry deep integration demonstration park. It has several characteristic parks, including the Suqian Laser Industry Park, Hengli Industrial Park, and Cowboy Industry Park. The laser industry park has been approved as a national science and technology enterprise incubator, provincial science and technology industrial park, and municipal advanced characteristic industrial park.

The Suzhou-Suqian Industrial Park (north-south co-built park) is the only provincial-level development zone among the 45 north-south co-built parks in the province. It has achieved "twelve consecutive championships" in the annual assessments of the 45 north-south co-built parks in the province. In September 2020, it was approved as a linkage innovation zone of the Suzhou area of the free trade zone and officially listed. It has been awarded the titles of provincial advanced development zone, Jiangsu Province advanced employment unit, Jiangsu Province co-built park advanced unit, provincial ecological industrial park, provincial high-quality construction demonstration area of green ecological city, and national model labor relations harmonious industrial park.

The Siyang Economic Development Zone has a planned area of 71 square kilometers, with a built-up area of 35 square kilometers. Its leading industries include high-end textiles and home furnishings, with food and beverage, electronic information, and medical health as advantageous industries. It has been awarded the titles of national intellectual property pilot park, national double-creation characteristic carrier for large, medium and small enterprises, long silk fabric industry park, research and development base for functional new types of chemical fiber fabrics, and green food capital. It also has several honors, including provincial ecological industrial park, smart park, intellectual property demonstration park, integration of the two industries demonstration zone, and modern textile advanced manufacturing industry base.

The planned area of Sihong Economic Development Zone is 60 square kilometers, and the built-up area is 40 square kilometers. The dominant industries are mechanical and electrical equipment and new membrane materials, with three provincial-level characteristic industrial parks in mechanical manufacturing, new membrane materials and electronic information. It was successively listed as Provincial-level Ecological Park, Provincial-level Intellectual Property Demonstration Park and Provincial-level Integration of the  Informatization and Industrialization Pilot park, Provincial-level Water-saving Demonstration Park, Provincial-level Circular Transformation Demonstration Pilot Park, Provincial-level Civilization and Sanitation Demonstration Base, and Provincial-level Science and Technology Industrial Park.