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Consulting & Design

With a background in Civil Engineering and over 40 years of experience, SCI can help you with your construction project in the preliminary stages and through till the end.  SCI's expertise is solicited in the design mode when a common sense approach is needed.  

Building Culvert
General Contractor

Acting as a General Contractor, SCI has built residential subdivisions, access roads, revamped sewer lift stations, installed water and storm drainage systems, and much more. Working for the State of Mississippi, local county and municipal governments and private developers, SCI's quality is unsurpassed.  

Lift Station, forcemain
Value Engineering

From the preliminary stages through the end of the project, SCI's experience and reputation will ensure you have the best quality project at the best price.  SCI will work to give you the best options to meet your budget's needs.  



SCI was incorporated in 1980 by David Shackelford.  Mr. Shackelford graduated from the University of Mississippi in 1974 with a degree in Civil Engineering.  He began his career as an engineer with the Mississippi Department of Transportation and Scott Bridge Company prior to starting SCI, Inc.

Mr. Shackelford's son, Michael Shackelford and daughter, Brandy Hamilton are the company's Vice Presidents.  Together with Operations Manager, Todd Parker, SCI is poised to be around for another 40 years.

SCI presently has around 30 full-time employees with years of experience in the construction industry under their belts.  A good number of those employees have spent most of their working career with SCI.  Our competitive advantage is based on continuity, pride in workmanship, and ethical conduct. 

SCI began as a little red wagon that could and has evolved into a construction powerhouse that can and will get the job done.  



Year Established


Year's Celebrated


Counties of Mississippi worked in


Awards Won


  • Kapalama Drive, Hancock Co. Board of Supervisors

  • Cornerstone Foundation, Biloxi, MS

  • Buena Vista Street, Pascagoula, MS

  • Northpark Drive Extension, Gulfport, MS

  • Forrest Ridge Subdivision, Gulfport, MS

  • Florence Gardens Subdivision, Gulfport, MS

  • Highway 49 at 18th Street - City of Gulfport, MS

  • Harrison County Utility Authority S19 Woolmarket, MS 

  • Harrison County Utility Authority S20 d'Iberville, MS

  • Long Beach Area Four - sewer, water, and storm drainage, Long Beach, MS

  • Pascagoula Street - Hwy 90 to Beach Blvd.-sewer, water and drainage, City of Pascagoula, MS

  • Pineville Road at Canal 1 Bridge - bridge replacement, City of Long Beach, MS

  • Flat Branch Emergency Watershed Project, canal reshaping, Gulfport, MS

  • Palmer Creek Sewer - sanitary sewer upgrades, Harrison County, MS

  • The Promenade at d'Iberville - new shopping center site utilities, d'Iberville, MS

  • USM GCRL-Cedar Point Facility - new roadwork and site utilities, Ocean Springs, MS

  • The Columns - new apartment complex site utilities and roadwork, Gulfport, MS

  • The Village at Tradition - new subdivision utilities and roadwork, Biloxi, MS

  • Orchard Road - storm drainage, bridge, curb, earthwork, and paving - City of Pascagoula, MS

  • Fritz Creek Phase 1, Contract 4: Sanitary Sewer Installation, City of Gulfport, MS

  • Winona Drive, sanitary sewer, water, and gas installation, City of Moss Point, MS

  • Camellia Pointe, new condominium project utilities, Ocean Springs, MS

  • MGCCC, Perkinston Campus - utility upgrade, Perkinston, MS

  • Highway 63, 7.2 miles of drainage earthwork and clearing, George County, MS

  • Reconstruction of Highway 90 - 23 miles of drainage and road construction, Biloxi to Pass Christian, MS

  • Salem Campground Road Bridge, George Co., MS

  • Ansley-Heron Road Bridge, Hancock Co., MS

  • Brickyard Bayou Drainage Restoration, City of Gulfport, MS

  • Three Rivers & Mays Sewer Project, City of Gulfport, MS

  • Keesler AFB Drainage Project, Biloxi, MS  

  • Hwy 57 Relocation, Vancleave, MS

  • Belle La Vie Subdivision, Biloxi, MS

  • Singing River Hospital, Pascagoula, MS

  • Ocean Enterprise Foundation, Port of Gulfport





For any inquiries, questions or commendations, please call: 228.207.2383 or fill out the following form

Thanks for submitting!

Head Office

13520 Old Highway 67

Biloxi, Mississippi  39532

Mailing Address: 

3586 Sangani Blvd. Ste. L #345

d'iberville, Mississippi  39540

Tel: 228.207.2383

Fax: 228.207.6447


To apply for a job with SCI, Inc., please send a cover letter together with your resume to: or fill out an application in person.

Get a quote: 228.207.2383
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