Brown and Caldwell is one of the largest engineering consulting firms in the United States. Located in El Paso, Texas, the firm offers a series of wastewater/reclamation, business consulting, sustainable development and construction/alternative delivery services. It also specializes in treatment process design, asset management, condition assessment, site investigation and data management. The engendering firm caters to utilities, government, water, environment and technology industries. Its other services include remediation design, solid waste management, permitting, auditing and decommissioning/decontamination.