linkHere's the top 30. There's a lot more on that site.
1 Subway Submarine sandwiches & salads $86K-213K
2 Curves Women's fitness & weight-loss centers $36.4K-42.9K
3 Quizno's Franchise Co., The Submarine sandwiches, soups, salads $208.4K-243.8K
4 7-Eleven Inc. Convenience store Varies
5 Jackson Hewitt Tax Service Tax preparation services $38.8K-85.4K
6 UPS Store, The Postal/business/communications services $143.3K-247K
7 McDonald's Hamburgers, chicken, salads $506K-1.6M
8 Jani-King Commercial cleaning $11.3K-34.1K+
9 Dunkin' Donuts Donuts & baked goods $255.7K-1.1M
10 Baskin-Robbins USA Co. Ice cream & yogurt $145.7K-527.8K
11 Jiffy Lube Int'l. Inc. Fast oil change $214K-273K
12 InterContinental Hotels Group Hotels Varies
13 Sonic Drive In Restaurants Drive-in restaurant $710K-2.3M
14 Domino's Pizza LLC Pizza $141.4K-415.1K
15 Super 8 Motels Inc. Economy motels $297K-2.3M
16 Kumon Math & Reading Centers Supplemental education $9.3K-29.3K
17 Chem-Dry Carpet Drapery & Upholstery Cleaning Carpet, drapery & upholstery cleaning $24.95K-86.95K
18 ServiceMaster Clean Comm'l./residential cleaning & disaster restoration $28.2K-99.9K
19 RE/MAX Int'l. Inc. Real estate $20K-200K
20 Snap-on Tools Professional tools & equipment $14.3K-264.3K
21 Burger King Corp. Hamburgers, fries, breakfast & other items $294K-2.8M
22 Jan-Pro Franchising Int'l. Inc. Commercial cleaning $5K-50K+
23 Merle Norman Cosmetics Cosmetics studios $33.1K-156K
24 Papa John's Int'l. Inc. Pizza $250K
25 Jazzercise Inc. Dance/exercise classes $2.6K-32.8K
26 RadioShack Consumer electronics $69.9K
27 Days Inns Worldwide Inc. Hotels & inns $400K-5.4M
28 Liberty Tax Service Income-tax preparation services $38.1K-49.1K
29 Midas Int'l. Corp. Auto repair & maintenance services $379.4K-528K
30 Dairy Queen Soft-serve dairy products/sandwiches $655K-1.3M