Cothern Engineering & Survey

The Sigma Consulting Group is a full-service business that provides a range of engineering services. It serves federal, municipal, state, industrial and private clients in the southern Gulf Coast. The privately owned company operates in Louisiana and Florida. Incorporated in 1987, the Sigma Consulting Group also offers surveying, planning and transportation solutions. It has a staff of more than 30 individuals. In addition, the company undertakes projects for Williams Travel Centers, Cox Communications and Pennington Dam. The Sigma Consulting Group is recognized as an Indian Owned Business by the federal government. It also provides construction administration and wastewater engineering services.

EVANS-GRAVES ENGINEERS has served our clients for the past 67 years providing professional engineering, planning, construction administration and inspection, surveying, landscape architecture and program & project management. With just under 50 employees at two locations here in Louisiana, EG brings a wealth of knowledge, experience and proven leadership to every project we undertake.

C. Mistric Surveyors, Inc. is a land surveying firm located in Baton Rouge, Louisiana, composed of highly skilled and experienced professional registered land surveyors and field personnel. C. Mistric Surveyors, Inc. has been a pioneer and leader in the electronic era of surveying, and continues to stay abreast of the rapidly advancing technology. Our Survey crews incorporate complete state of the art electronic equipment which is integrated into our Computer Automated Drafting (CAD). C. Mistric Surveyors, Inc. also implements the latest in Global Positioning System equipment and technology to expand our capabilities so we can better serve our clients.