Manchac Consulting Group, Inc. is a professional civil/environmental engineering firm headquartered in Baton Rouge, Louisiana, with additional offices in Lake Charles and Bossier City. Our team of professional engineers and designers have established the trust of many municipal, state, federal, and private industrial clients. These relationships grow from our integrity and commitment to client service and attention to detail.  Manchac Consulting Group provides comprehensive expertise in the planning, design, and construction management for all types of public infrastructure projects.  Our operating philosophy is simple – provide the best solutions to our clients’ problems in the most efficient and cost-effective manner possible.