The Di Salvo Engineering Group

…is a professional consulting engineering firm offering comprehensive structural engineering services.


  • Committed to technical excellence and innovation
  • Dedicated to only the highest of business standards and ethics
  • Staff involvement in the management of the firm
During this challenging time, the TDEG staff is working remotely but available as always through email or phone. For general information or specific contact information, please send an email to or call 203-490-4140 and leave a message. We will respond as soon as possible.
Our Team

Our team includes registered Professional Engineers, Revit® and CAD Designers, Field Engineers and a professional administrative staff.

Community Service

Whether with our engineering expertise to enable community projects or our service and fundraising for worthy causes, we are proud of our efforts to share our success with the community.


As with any dynamic organization, the firm that is presently known as The Di Salvo Engineering Group has undergone many transformations since its founding in 1973.


We are honored to be recognized for our work.

About Us

The Di Salvo Engineering Group Structural Engineers (TDEG) is a professional engineering corporation offering comprehensive structural engineering services. Started in 1973 in Ridgefield, CT, the firm has grown to become one of the largest consulting firms in the area dedicated exclusively to structural engineering. In 2018 the firm continued that growth with a branch office in Colorado.

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Contact Us
    Lee Farm Corporate Park
    83 Wooster Heights Road, Suite 200
    Danbury, CT 06810
  • (203) 490-4140
    405 S. Wilcox Street, Suite 105
    Castle Rock, CO 80104
  • (720) 667-3388