DEC, Now GFT: Detailed Company Information & Corporate Profile
Summary
DEC, now GFT, was established in 1915 and is headquartered in Houston, Texas. The firm specializes in building engineering services that span civil engineering, transportation design, program management, land development, public works, land surveying, and hydraulic and hydrology modeling. With a workforce of between one thousand and five thousand employees, DEC, now GFT supports complex infrastructure projects across the United States.
Leadership at the company includes Vice President Gary Trietsch; Human Resources Recruitment Coordinator Tyler Hiroms; Environmental Coordinator/Planner David Garza; Owner Lawrence Lopez; Senior Marketing Coordinator Alyce Valasek; and a team of experienced engineers such as Darrell Hale, Michael Kaspar, Alexander Smith, Hector Garcia, Edmundo Tejada, Cade Stanley, and Fausto Sotelo. The company’s project management expertise is further strengthened by Senior Project Manager Doug Guinn and Office Administrator Nancy Herrera.
| DEC, Now GFT Website | gannettfleming.com |
| Phone Number | 713-520-9570 |
| Industries | |
| DEC, Now GFT Headquarters Address | 3100 West Alabama, Houston, TX, 77098 US |
| Company Size | 1000-5000 employees |
| Specialities & Services | Civil Engineering, Transportation Design, Program Management, Land Development, Public Works, Land Surveying, Hydraulic and Hydrology Modeling |
| Founded | 1915 |
| Updated: | 2026-09-07 |
Subsidiaries and Affiliated Companies
Estimated Website Traffic
The chart shows a decline in traffic to the gannettfleming.com website. In August, traffic decreased to 2, compared to 2 in the previous month. The highest traffic in 2026 was recorded in April, reaching 60 visits.
Workforce Turnover
Length of Employment
DEC, Now GFT's workforce includes employees across a wide range of tenure levels.
3% have been with the company for 1 to 2 years8% have been with the company for 3 to 4 years13% have been with the company for 5 to 7 years5% have been with the company for 8 to 10 years73% have been with the company for more than 11 years
Companies Similar to DEC, Now GFT
DEC, Now GFT Corporate Information: FAQ
Data Privacy
GDPR COMPLIANT
SignalHire complies with the General Data Protection Regulation (GDPR). SignalHire follows GDPR requirements, including but not limited to rights of data subjects to access, correct, or delete their personal information and supports the right to be forgotten.
CCPA COMPLIANT
SignalHire is CCPA-compliant and provides California residents the right to know, access, opt out, and request deletion of their personal data.
