Clark Hill's Construction practice group has many years of experience with Architecture, Engineering, and Construction (AEC) firms. Additionally, the Subcontractor shall fill out and sign the lien waiver form provided by.All documents, plans, sketches, models, etc. The subcontractor's guide to working with Clark Construction, including their history, how to prequalify, payment tips, and more. We provide complete design build services where we are responsible for the design, engineering and construction of a project. Architecture and engineering design solutions for education, commercial, federal, industrial, transportation, and infrastructure clients. From new construction to renovations of all sizes, CLARK offers a complete range of architectural services that yield innovative, inspiring results.