Most-Served Addresses in Texas
Registered agents first, then the Secretary of State and hospital records offices. Each address was checked against the organization's own website.
Commercial registered agents
- C T Corporation System and National Registered Agents, Inc. (Dallas, Dallas County). Suite 900 on Bryan Street, the Texas registered office on file for C T Corporation System and, in recent filings, for National Registered Agents, Inc.
- Corporation Service Company d/b/a CSC-Lawyers Incorporating Service Company (Austin, Travis County). Downtown Austin suite on East 7th Street that Corporation Service Company, doing business as CSC-Lawyers Incorporating Service Company, gives as its Texas registered office.
- Cogency Global Inc. (Dallas, Dallas County). Downtown Dallas suite where Cogency Global takes service for the companies that have named it as their Texas registered agent.
- Northwest Registered Agent, LLC (Austin, Travis County). Austin suite on Balcones Drive listed for many newly formed Texas LLCs that use Northwest Registered Agent, LLC.
- Registered Agents Inc. (Austin, Travis County). Balcones Drive suite in Austin given as the registered office for companies that appointed Registered Agents Inc., a separate agent from Northwest at the same address.
- InCorp Services, Inc. (Austin, Travis County). Suite 500 on Brazos Street in downtown Austin, the registered office Texas filings give for companies that use InCorp Services, Inc.
- United States Corporation Agents, Inc. (Frisco, Collin County). Frisco suite on Clarence Drive that recent Texas filings give for United States Corporation Agents, Inc., which earlier in 2026 was listed at an Austin address.
- Registered Agent Solutions, Inc. (RASi) (Austin, Travis County). Southwest Parkway suite in Austin that 2026 Texas filings give for Registered Agent Solutions, Inc. (RASi), not the Directors Blvd address older lists show.
- Vcorp Agent Services, Inc. (Dallas, Dallas County). Registered office given in 2026 Texas filings for companies that appointed Vcorp Agent Services, Inc., in the same Bryan Street suite CT uses.
Texas Secretary of State
- Texas Secretary of State, Service of Process (Austin, Travis County). The fallback agent for Texas businesses whose registered agent is missing or cannot be found, currently taking in-person business at a temporary Austin address.
State agencies
- Texas Department of Insurance, Chief Clerk Office (Austin, Travis County). The Texas Department of Insurance in the Barbara Jordan Building, where process is left when the Commissioner of Insurance is an insurer's agent for service.
Hospital medical records offices
- Houston Methodist Hospital, Release of Information (Houston, Harris County). Release of Information for the main Houston Methodist Hospital on Fannin, the stop for subpoenas seeking its patient records.
- Parkland Memorial Hospital, Release of Information (Dallas, Dallas County). Parkland's in-person Release of Information office, which the hospital itself names as the place for subpoenas and process servers.
- UT Southwestern Medical Center, HIM Release of Information (Dallas, Dallas County). UT Southwestern's walk-in Health Information Management office in Woodview Tower, separate from the Harry Hines mailing address.
- Baylor University Medical Center, Health Information Management (Dallas, Dallas County). Baylor Scott & White's HIM department for Baylor University Medical Center, listed in the Jonsson Basement on Gaston Avenue.
- Baylor Scott & White All Saints Medical Center – Fort Worth, HIM (Fort Worth, Tarrant County). The Fort Worth HIM release of information office for All Saints, where subpoenas for that hospital's charts and bills are directed.
- Baylor Scott & White Medical Center – Temple, HIM (Temple, Bell County). Central Texas HIM office for the Temple medical center, the address for subpoenas seeking records of care there.
- Baylor Scott & White Medical Center – College Station, HIM (College Station, Brazos County). Brazos County HIM department for the College Station medical center, including subpoenas that start in another state.
- Baylor Scott & White Medical Center – Irving, HIM (Irving, Dallas County). Irving's Baylor Scott & White release of information desk, a Dallas County address for hospital-record subpoenas outside the city of Dallas.
- Baylor Scott & White Medical Center – Plano, HIM (Plano, Collin County). Collin County HIM department for the Plano medical center, with the courthouse in McKinney rather than Plano.
- University Health (San Antonio), Release of Information (San Antonio, Bexar County). Bexar County's University Health medical records department on Medical Drive, the address for subpoenas seeking University Hospital records.
- Harris Health, Release of Information (Bellaire, Harris County). Harris Health's release of information address in Bellaire, which covers records from the system's hospitals and clinics rather than any one campus.
- Cook Children's Medical Center, HIM Release of Information (Fort Worth, Tarrant County). Release of information for Cook Children's in Fort Worth, where subpoenas for pediatric hospital records are sent.
- UTMB Health (Galveston), HIM Release of Information (Galveston, Galveston County). The University of Texas Medical Branch's HIM release of information department on Galveston Island.