DAL-TECH Engineering, Inc., a Texas corporation, was founded in 1990 by Ms. Sedi Toumani, PE, and has been a full-service civil engineering and land surveying firm from its inception. Ms. Toumani has guided DALTECH through the years with unwavering principles and demands each member of our staff reflect the core values of integrity, quality, reliability and ethical standards beyond reproach. In placing a premium on these values,
Ms. Toumani has established a firm that has a foundation built on knowledge and character. It is these attributes that allow DAL-TECH to consistently provide superior services and unmatched product delivery.

DAL-TECH has enjoyed success providing quality consulting engineering and surveying services to both the public and private sectors. Over the past 25 years, DAL-TECH has worked with agencies such as Texas Department of Transportation (TxDOT), North Texas Tollway Authority (NTTA), US Army Corps of Engineers, City of Dallas, City of Fort Worth, Dallas County, Tarrant County, Collin County, Trinity River Authority (TRA), Trinity Railway Express (TRE), Tarrant Regional Water District (TRWD), North Texas Municipal Water District (NTMWD), Dallas/Fort Worth International Airport (DFW), Dallas Area Rapid Transit (DART), as well as numerous municipalities.

DAL-TECH is committed to serve each client’s best interest and is dedicated to not only meet their expectations, but to exceed them whenever and wherever possible. Each client receives our utmost respect as we develop and cultivate long term alliances.

Now part of the SAFEbuilt Family
In 2021, Dal-Tech joined the SAFEbuilt family of companies. Together, with our parent organization and other subsidiary partners, we’re helping to promote the safety and growth of communities across the country. Learn more about SAFEbuilt here.

DAL-TECH is certified by the State of
Texas as a Historically Underutilized
Business (HUB), Certification

DAL-TECH is certified by TxDOT as a Small
Business Enterprise, Vendor #4265

  • Licenses and Certifications
  • Firm Licenses
  • Firm Certifications
    • Historically Underutilized Business (HUB) certified by State of Texas
    • Small Business Enterprise (SBE) certified by TxDOT
    • Women-Owned Business Enterprise (WBE) certified by NCTRCA
      • TxDOT Pre-Certifications