Florida Subcategories This category has the following 12 subcategories, out of 12 total. Defunct companies of the United States by state or territory (53 C) Economic history of insular areas of the United States (1 C)* Maritime history of the United States by state or territory (9 C, 2 P)C Economic history of California (9 C, 28 P)E Economic history of New York (state) (2 C, 1 P)I Economic history of Illinois (1 C)M Economic history of Maryland (1 C) Economic history of Massachusetts (4 C, 12 P)N Economic history of New Jersey (1 C, 9 P)P Economic history of Pennsylvania (1 C, 14 P)T Economic history of Texas (1 C, 1 P)U Economic history of Utah (2 P)