4D Global Group Inc., in partnership with Buehler & Buehler Structural Engineers Inc. offer structural steel connection engineering design services to contractors and fabricators. Working closely and directly with our connection design partner allows for a more efficient flow of vital design communication, helping us to avoid connection design delays and misunderstandings. Our connection design services include PE stamps (approvals) for multiple States across the USA. 

4D also provide in-house & external Engineering solutions on all projects.  These solutions include development of standard part databases, simple connection tables & templates, connection selection flow-charts along with connection capacity checking tools.