Simpkins & Costelli, Inc Consulting Engineering Firm offers professional engineering services in the fields of civil and structural engineering. We also provide project management and construction administration services for waterfront facilities including new pile-supported concrete wharf construction, tied-back steel bulkhead, warehousing and structural repairs for existing wharves ; design of foundation and superstructure for commercial, industrial and institutional buildings ; municipal and industrial wastewater projects ; and civil site work including drainage, utilities, pavement and stormwater control for a wide range of clients along the Mississippi Gulf Coast. Consulting services are also offered to Architects and other Engineers. Simpkins & Costelli, Inc has many years of experience in the study and design of public and private water, sewer and storm drainage projects. Additionally, Simpkins & Costelli, Inc has provided structural engineering services for several new and existing wastewater treatment facilities. If you are an existing client or contractor and need to upload or download a file, please enter your login information below and click the login button to be directly connected with our FTP Server.