TranTech Engineering, LLC: Detailed Company Information & Corporate Profile
Summary
TranTech Engineering, LLC was founded in 2005 and operates out of Bellevue, WA, serving the Seattle Metropolitan Area. The independent firm employs between 10 and 50 professionals and reports annual revenue in the $25‑$100 million range.
The company specializes in building engineering with a focus on transportation infrastructure, structural and civil engineering, construction management & inspection, bridges, culverts, streets & highways, traffic engineering, signalization & illumination, stormwater, and grant applications.
Key leaders include Majid Kani, Chief Construction Inspector; Kash Nikzad, Principal; Sheikhizadeh Mo, Resident Engineer; Roy Lopez, Office Engineer; Peggy Rosenberg, Office Manager/Marketing; Debbie Maroon, Sr. Civil Engineer; John Anderson, Construction Inspection; Grant Griffin, Olympia Branch Manager/Senior Engineer; Thao Huynh, Project Administrator and Accountant; Bruce Dibert, Documentation Specialist and Contract Plans Review; and Sam Richard, Resident Engineer.
| TranTech Engineering, LLC Website | deainc.com |
| Phone Number | 425.453.5545 |
| Industries | |
| TranTech Engineering, LLC Headquarters Address | 365-118th Ave SE, Bellevue, WA, 98005 US |
| Company Size | 10-50 employees |
| Specialities & Services | Transportation Infrastructure, Structural Engineering, Civil Engineering, Construction Management & Inspection, Bridges, Culverts, Structural Assessments, Streets & Highways, Traffic Engineering, Signalization & Illumination, Stormwater, Grant Applications |
| SIC Code | 7380 |
| DMA Code | Seattle Metropolitan Area |
| Founded | 2005 |
| Estimated Annual Revenue | $25M - 100M |
| Operating Status | Independent Company |
| Updated: | 2026-09-26 |
Estimated Website Traffic
The chart shows a growth in traffic to the deainc.com website. In August, traffic increased to 11076, compared to 9502 in the previous month. The highest traffic in 2026 was recorded in January, reaching 17600 visits.
Workforce Turnover
Length of Employment
TranTech Engineering, LLC's workforce includes employees across a wide range of tenure levels.
60% have been with the company for 3 to 4 years40% have been with the company for 8 to 10 years
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TranTech Engineering, LLC Corporate Information: FAQ
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