Twenty-six Jacksonville area firms are among the fastest-growing in the country. Each year, the Inc. 5000 list highlights the companies in the United States that have recorded the most growth over the previous three years. Topping this year’s list, which came out this week, is Loot Crate, the California seller of collectibles, gaming, T-shirts, etc. It’s grown more than 66,000 percent in three years, now taking in $116.2 million a year.