Addison is an incorporated town in Dallas County, Texas, in the United States. Addison is situated to the immediate north of the city of Dallas. The town's population was 13,056 at the 2010 census. Addison and Flower Mound were the only two Texas municipalities labeled "towns" with a population greater than 10,000 in the 2010 census; since then the municipalities of Prosper and Trophy Club, also identifying as towns, have also exceeded 10,000 in population estimates. Addison is best-known within the Dallas–Fort Worth–Arlington metroplex region for its abundance of restaurants and nightlife.

Irving is a city in the U.S. state of Texas. Located in Dallas County, it is also an inner ring suburb of Dallas. The city of Irving is part of the Dallas–Fort Worth metroplex. According to a 2019 estimate from the United States Census Bureau, the city population was 239,798 making it the thirteenth-most populous city in Texas, and 93rd most populous city in the U.S.Irving includes the Las Colinas community, one of the first master-planned developments in the United States and once the largest mixed-use development in the Southwest with a land area of more than 12,000 acres (4,856 ha). Las Colinas is home to the Mustangs at Las Colinas, which is the largest equine sculpture in the world, as well as many Fortune 500 companies, such as ExxonMobil, Kimberly-Clark and Fluor Corporation. In April 2019, the Westin Irving Convention Center Hotel opened, signalling the completion of the city's special entertainment district that includes the Irving Convention Center at Las Colinas and the Toyota Music Factory.The National Football League's Dallas Cowboys played in Irving at Texas Stadium from 1971 to 2008, and the team maintained its headquarters in Irving's Valley Ranch neighborhood from 1985 to 2016.Part of Dallas/Fort Worth International Airport lies inside the city limits of Irving. Irving is noted for its racial and ethnic diversity, and has been ranked as one of the most diverse cities in the United States.

Richardson is a city in Dallas and Collin counties in the U.S. state of Texas. As of the 2019 American Community Survey, the city had a total population of 121,323. Richardson is an inner suburb of Dallas. It is home to the University of Texas at Dallas and the Telecom Corridor, with a high concentration of telecommunications companies. More than 5,000 businesses have operations within Richardson's 28 square miles (73 km2), including many of the world's largest telecommunications and networking companies, such as AT&T, Verizon, Cisco Systems, Samsung, ZTE, MetroPCS, Texas Instruments, Qorvo, and Fujitsu. Richardson's largest employment base is provided by the insurance industry, with Blue Cross and Blue Shield of Texas's headquarters, a regional hub for GEICO, regional offices for United Healthcare, and one of State Farm Insurance's three national regional hubs located in the community.

Lewisville ( LOO-iss-vil) is a city in Denton County, Texas, United States, that barely overlaps with Dallas County, Texas. It is a suburb within the Dallas–Fort Worth Metroplex. The 2000 United States Census placed the city's population at 77,737 and the 2010 Census placed it at 95,290, making it one of the fastest-growing city populations in the United States and the 33rd most populous in Texas. It occupies 36.4 square miles (94 km2) of land and includes 6.07 square miles (15.7 km2) of Lewisville Lake.Originally called Holford's Prairie, Lewisville dates back to the early 1840s. The arrival of the town's first railroad in 1881 engendered its initial growth, and the expansion of the area's transportation infrastructure spurred further development in the early part of the 20th century. Lewisville incorporated in 1925, and when construction of Lewisville Lake was completed in the 1950s, the city began to expand rapidly. Lewisville's proximity to Lewisville Lake has made it a recreational hub of the Dallas–Fort Worth metroplex. The city's municipal government, led by a nonpartisan city council, focuses its recreational and cultural investments on facilities such as Toyota of Lewisville Park and the MCL Grand Theater. The area's transportation infrastructure has evolved around the I-35 Corridor along Interstate 35E. The diversity of its population and industry has created a stable economic climate. Lewisville Independent School District provides most of the area's public education programs.