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Texas Department of Insurance

Helpful Terms and Abbreviations

Back to Reference Filings List

Filing types

  • EN: Endorsement
  • MR: Manual Rule
  • PF: Policy Form
  • RT: Rate (includes Rate/Rule as of December 1, 2017)

Short track rate filings

A filing requiring limited supporting information to determine compliance with Texas statutes and rules. See TDI Exhibit A for required items to include in a short track filing.

"Yes" for an advisory org filing indicates that reference filings for the listed SERFF/State tracking number can be short-tracked.

Advisory organizations

  • AAIS: American Association of Insurance Services
  • ACC: ACORD Corporation
  • AIOI: Aioi Nissay Dowa Insurance Services USA Corporation dba Mobility Data Analytics
  • AIPS: AIPSO
  • ANY: Anywhere Insurance Services, LLC
  • ARITY: Arity, LLC
  • CMT: Cambridge Mobile Telematics, Inc.
  • CAR: Carfax Advisory Services, LLC
  • CNAS: Connected Analytics Services
  • CYVW: CyberAcuView, LLC
  • DTRS: Driver Technologies Rating Services, Inc.
  • HLDI: Highway Loss Data Institute
  • ICT: ICT Services, Inc.
  • ISS: Independent Statistical Services, Inc.
  • ISO: Insurance Services Office, Inc.
  • ISOD: ISO Data, Inc
  • KRS: Karma Rating Solutions, Inc.
  • LIG: Location Inc. Group Corporation
  • MAPP: Milliman Appleseed, LLC
  • MAR: Martin Analytical Rating Services, LLC
  • MIS: Modus Insurance Solutions, LLC
  • MSO: MSO, Inc DBA Office of Mutual Services, Inc.
  • NCCI: National Council on Compensation Insurance, Inc.
  • NCIS: National Crop Insurance Services, Inc.
  • OCTO: Octo Analytics, LLC
  • OTMA: On the Money Analytics LLC (license cancelled 11/25/2024)
  • ROOT: Root Enterprise, LLC (license cancelled 9/9/2025)
  • RZS: Redzone Software LLC
  • SFAA: Surety & Fidelity Association of America, The
  • SOT: Soteris, Inc
  • TEL: Telenav, Inc.
  • TNE: TNEDICCA, Inc
  • TWAL: Towers Watson America, LLC
  • WTWA: Willis Towers Watson Analytical Insurance Services (formerly TWAL) (license cancelled 8/21/2025)
  • ZPR: Zesty.ai Property Risk Solutions, LLC

For more information, contact: PCActuarial@tdi.texas.gov

Last updated: 12/1/2025