TTL Inc.

Legal name, DBA and former names

• TTL Inc.Source: ttlusa.com · As of 2026-10-11

Identifiers (UEI, state registrations)

• Texas TBPELS firm no. 7725, 12622.Source: tbpedownloads.s3-us-west-2.amazonaws.com/roster_firm.zip · As of 2026-10-04

Services and markets

• TTL provides transportation design and CEI, civil engineering, geotechnical engineering, environmental consulting, construction materials engineering and testing, and surveying, GIS, and mapping services for public and private clients.Source: ttlusa.com · As of 2026-10-11

Leaders

• Dean McClure, Chief Executive Officer (CEO) and Chairman of the Board.Source: ttlusa.com/people · As of 2026-10-11

Licences (board records)

• Texas TBPELS roster lists TTL Corp. (firm no. 7725, type SP, expires 2027-07-31); TTL, Inc. DBA TTL Consulting Inc. (firm no. 12622, type NS, expires 2028-07-31)Source: tbpedownloads.s3-us-west-2.amazonaws.com/roster_firm.zip · As of 2026-10-04

DOT prequalification

• TxDOT Active Precertified Firms lists TTL, INC. with 34 areas of certification, renewal status JANUARY 9, 2024 ( ACTIVE )Source: dot.state.tx.us/des/precert/precrt13.htm · As of 2026-10-05

Public filings

• DOL Form 5500 filings, plan year beginning 2024-01-01, NAICS 541330: TTL, INC. 401(K) PROFIT SHARING PLAN (ACK_ID 20251013164915NAL0001732737001, 491 active participants)Source: dol.gov/agencies/ebsa/about-ebsa/our-ac… · As of 2025-10-13

Rankings and awards

• Listed in the ENR 2026 Top 500 Design Firms.Source: enr.com/toplists/2026-top-500-design-fi… · As of 2026-10-05

Sources of record

1. https://www.ttlusa.com/
2. https://tbpedownloads.s3-us-west-2.amazonaws.com/roster_firm.zip
3. https://www.enr.com/toplists/2026-top-500-design-firms-3
4. https://www.ttlusa.com/people
5. https://www.dot.state.tx.us/des/precert/precrt13.htm
6. https://www.dol.gov/agencies/ebsa/about-ebsa/our-activities/public-disclosure/foia/form-5500-datasets