Question: What large pancake house franchise has it's headquarters in an unicorporated part of Gwinnett County, Georgia?

Context articles: Pancake house
Elisha Winn House
The Original Pancake House
Waffle House
Gwinnett County Courthouse
Gwinnett County Public Schools
List of pancake houses
Phoenix High School (Lawrenceville, Georgia)
Parkview High School (Georgia)
Marble Slab Creamery

A pancake house, pancake and waffle house or waffle house is a restaurant that specializes in breakfast items such as pancakes, waffles, and omelettes, among other items.
 Many small, independent pancake houses, as well as large corporations and franchises, use the terminology in their establishment names, most notably the International House of Pancakes (IHOP), Waffle House and The Original Pancake House.
 Most pancake houses are dine-in, although most will offer carry-out as well.
 Many are open until around 3 p.m. Exceptions to this are large chains such as IHOP and Denny's, which are usually open 24 hours.
 Some independent pancake houses are found in strip malls, or exist as stand-alone structures that have been re-fitted, such as a closed-down diner or retail store.
The Elisha Winn House is located at 908 Dacula Road near Dacula, Georgia, 1.9 mi north of Dacula city limits.
 The house, currently in Gwinnett County, was built in 1812, six years before the county was established.
 In 1809, Elisha Winn, Roger Pugh and Elijah Pugh purchased 7300 acre on the Apalachee River from a Jackson County tax collector.
 On December 15, 1818, the Elisha Winn house and the property became part of Gwinnett County.
 The house is the oldest surviving building in Gwinnett and probably the oldest building in metropolitan Atlanta.
The Original Pancake House (TOPH) is a chain of pancake houses across the United States with recent advancements into both Japan and South Korea.
 They follow traditional recipes and ingredients for their pancakes, but have other breakfast items on the menu, as well.
 They also have a spin-off, Walker Brothers Pancake House, which has a similar menu, but with a formal ambiance.
Waffle House, Inc., is an American restaurant chain with more than 2,100 locations in 25 states in the United States.
 Most of the locations are in the South, where the chain is a regional cultural icon.
 Waffle House is headquartered in an unincorporated part of Gwinnett County, Georgia, near Norcross.
The Gwinnett Historic Courthouse is an historic government building located at 185 West Crogan Street in Lawrenceville in Gwinnett County, Georgia.
 The original county courthouse burned in 1872.
 The present day Courthouse was built in 1885.
 It served as the center of county business for over a century.
 As the population of the county grew, the Courthouse could no longer handle all of the county's business.
 In 1988, Gwinnett County moved the majority of its operations into the new Justice and Administration Building located at 75 Langley Drive in Lawrenceville.
 The old Courthouse underwent a lengthy three year renovation starting in 1989.
 It reopened on July 3, 1992 as the Gwinnett Historic Courthouse.
 Today, it serves as a rental venue for weddings, concerts, conferences, and other special events.
 It is one of the parks maintained by the Gwinnett County Parks and Recreation Department.
Gwinnett County Public Schools is a school district operating in Gwinnett County, Georgia, United States.
 GCPS is the largest school system in Georgia, with 139 schools and an estimated enrollment of 178,000 students for the 2016-2017 year.
 GCPS is estimated to be the 14th largest school district in the U.S.
 The district has its headquarters in an unincorporated area near Suwanee.
This is a list of notable pancake houses.
 A pancake house is a restaurant that specializes in breakfast items such as pancakes, waffles, and omelettes, among other items.
 Many small, independent pancake houses, as well as large corporations and franchises, use the terminology in their establishment names.
Phoenix High School is an open-campus public high school in Gwinnett County, Georgia, in suburban Atlanta, and a part of the Gwinnett County Public School System, in Lawrenceville, Georgia, United States.
Parkview High School is a public high school located near Lilburn in Gwinnett County, Georgia, United States.
 It is operated by Gwinnett County Public Schools.
 Since its opening in 1976, Parkview has won numerous awards and state championships, both in academics and athletics.
 The school has had an ongoing rivalry with neighboring Brookwood High School since the 1990s.
 Parkview offers several AP courses and has a large number of gifted students.
 The current principal is David T. Smith.
Marble Slab Creamery is a chain of independently owned and operated franchised stores that specialize in serving ice cream and a variety of other desserts.
 It is a franchise brand in the portfolio of Global Franchise Group LLC.
 There are 391 Marble Slab stores throughout the United States, Canada, Puerto Rico, Pakistan, Bahrain, United Arab Emirates, Kuwait, Lebanon, Qatar, Scotland, Iraq, England and Trinidad and Tobago.
 The chain has its headquarters in unincorporated Fulton County, Georgia.
 As an independent company it had its headquarters in the Westchase area of Houston, Texas.
 After the NexCen acquisition, initially the brand's headquarters were in unincorporated Gwinnett County, Georgia.
 In July 2010, NexCen announced the sale of its franchise business to Global Franchise Group, LLC an affiliate of Levine Leichtman Capital Partners.