Diamond D Industries (Diamond D) is a heavy construction specialist providing right-of-way solutions since 2010. Unique to a ... subcontractor, our team brings years of experience as general contractors on large, complex projects. This understanding of the overall project guides our work. We are a Louisiana based, woman-owned firm that combines a broad range of complete access services, from planning and permitting through site restoration and maintenance, into a single entity. By combining these services, Diamond D offers customers across the Gulf Coast and Southeast United States the cost savings and execution certainty of self-performance with the convenience of a single point of contact. read more