Here are some possible main heading organizations for this report:
1. Organization by region
I. Introduction
II. New York City
III. Upstate New York
IV. Long Island
V. Western New York
2. Organization by industry
I. Introduction
II. Textiles
III. Metals
IV. Machinery
V. Food Processing
VI. Etc.
3. Organization by influential figures
I. Introduction
II. Early pioneers (1700s)
III. Industrial revolution leaders (1800s)
IV. Robber barons (late 1800s)
V. Modern innovators
4. Organization by time periods with subheadings by region/industry