The major incorpated areas of St. Mary Parish (county) are located along U.S. Highway 90 (future I-49 corridor) with the metropolitan area of New Orleans to its east, Lafayette to its west, and the state's capital, Baton Rouge, less than a one and half hours drive north.

This east highway/interstate access makes traveling to and from work around the parish simple and convenient.  There are no hassles of sitting in traffic or worries of delays due to traffic jams.

Infrastructure

Railroad- The Burlington Northern and Santa Fe run the main truck line through St. Mary Parish with spurs off of the Louisiana Delta Railroad which provides feeder services to many businesses in the parish.

Airport – Perry Flying Center at the Harry P. Williams Memorial Airport in Patterson, Louisiana, is a total aviation ground support operation, featuring an award-winning fuel department capable of dispensing both Jet-A and aviation gasoline. Specializing in offshore helicopter crew change support, PFC services include an aircraft maintenance and avionics department, hanger and outside storage for aircraft, as well as secure parking for 320 vehicles. The Patterson Airport is an all-weather with a lighted 5400’ runway capable of handling aircraft up to 100,000 lbs. landing weight. The Louis Armstrong (New Orleans International) and the Lafayete airports are within an hour's drive.

Water Transportation - St. Mary Parish is multi-modal in its transportation. There are two ports with access to the Gulf of Mexico. The Port of Morgan City is an import/export port for medium draft vessels and the Port of West St. Mary is an industrial site with access to rail and the Gulf of Mexico. The Burlington Northern and Sante Fe railroad has the main truck line in the parish and Interstate 49 offers ready access to Interstate 10 connecting markets coast to coast. St. Mary has a municipal airport at Patterson that can land aircraft as large as a Boeing 737. The Louis Armstrong (New Orleans International) and the Lafayette airports are within an hour’s drive.