| TEI | Tal Economic Impact 
| Others |
| TEI | Target Estimation Industry
| Others |
| TEI | Tax Executives Institute
| Others |
| TEI | Teacher Education Institute
| Others |
| TEI | Teacher Excellence Initiative
| Others |
| TEI | Technology Enriched Instruction
| Others |
| TEI | Tennessee Enterprises Inc
| Others |
| TEI | Terminal End Identifier
| Others |
| TEI | Terminal Endpoint Identifier
| Others |
| TEI | Terminal Equipment Identifier
| Others |
| TEI | Testing Engineers International
| Others |
| TEI | Text Encoding Initiaitve
| Others |
| TEI | Text Encoding Initiative
| Others |
| TEI | Tezu, India
| Others |
| TEI | The Education Institute
| Others |
| TEI | The Electoral Institute
| Others |
| TEI | The Entrepreneurship Institute
| Others |
| TEI | The European Institute
| Others |
| TEI | The Evil Insect
| Others |
| TEI | The Timeless Empire I
| Others |
| TEI | Theological Education Institution
| Others |
| TEI | Theorized Expansion Indicator
| Others |
| TEI | Thermoelastic Instability
| Others |
| TEI | Tooling and Equipment International
| Others |
| TEI | Total Economic Impact
| Others |
| TEI | Total Estimated Investment
| Others |
| TEI | Truckers Express, Inc.
| Others |
| TEI | Trucksis Enteprises Inc
| Others |