Tech Flow Engineers and Tru-Line Drafting joined forces in 2004 to find a way to better serve our customers.
Established in 1921 to serve the structural steel design community and construction industry.
The National Institute of Steel Detailing (NISD) is an international association
Tekla Structures, a powerful, interactive 3D structural modeling system
Techflow Institute of Steel Detailing (TISD) provides Training Program of Structural Steel Detailing.