The Dallas Business Journal surveyed architecture firms beginning Dec. 29, 2022. The surveys were sent via email to firms who opted-in to the Business Journal’s surveys and met eligibility requirements. To be eligible for this list, your company must be active in the plan, design and review process in the construction of buildings and have a location within one of the following counties: Collin, Cooke, Dallas, Denton, Ellis, Grayson, Hill, Johnson, Kaufman, McLennan, Navarro, Parker, Rockwall, Tarrant and Wise. Of the 159 eligible firms surveyed, 49 responded. The Business Journal can not independently verify information provided by individual companies. In case of ties, companies are listed by local gross billings in 2021.