Founded in 2011, we are a professional engineering firm with diverse expertise in Structural, Civil, Industrial, and Welding technologies. With offices in Chesterfield, Collinsville, and Kentfield, Special Inspections & Design is a leading provider of specialized engineering services in Missouri, Illinois, and California.

In addition to new construction design, all of SID's structural engineers have extensive experience in trouble shooting structural problems discovered in the field and finding the most cost efficient repair.  This includes temporary shoring and the final product. Our engineers are experienced in designing and drafting detailed repair procedures, developing construction repair documents, assisting the Owner in the selection of a competent contractor, and certifying that the completed work was performed in strict accordance with the construction documents.