Hartford, United States: innovation profile

Hartford is number 1171 in the 311 Innovation Cities Index, with an innovation score of 3. It is home to 1 R&D lab and 1 of the world's largest companies in the 311 Institute directories.

Part of the 311 Innovation Cities Index (311institute.com). Last updated 7 October 2026.

Largest companies

• The Hartford (#F57)

R&D labs

Advanced Fuel Research (United States).