APAC
APAC-MS, Inc.
AS Fornea Construction
American Field Services
Barriere Construction
Batson and Brown, Inc.
Beacon Construction, LLC
Benchmark Engineering
Blackburn Construction
Brown, Mitchell & Alexander, Inc.
Buchart Horn
Burns Dirt Co.
Byrum Construction
Canton Concrete
Century Construction
Chiniche Engineering
Chiniche Engineering and Surveying
Chris Albritton Construction
Chris Albritton Construction Company
City of Southaven
Civil Tech Inc.
Civil-Link
Civil-Link, LLC
Clear River Construction
Colom Construction Co., Inc.
Colony Construction
Colony Construction
Construction Specialists
Cook & Son
Cook Coggin Engineers
Cook Coggin Engineers, Inc.
Cook and Son
Cornerstone Engineering
Cothren Engineering
Cotton Creek Construction Co.
Cotton Creek Transport
Covington Civil
Crowder Engineering
Cypress Environment & Infrastructure
Dickerson & Bowen
Dickerson and Bowen
Dickerson & Bowen, Inc.
Double S, Inc.
Dozer
Dozer, LLC
Dungan Engineering
Dungan Engineering, P.A.
Dungan Engineering, P.A.
Dunn Roadbuilders
Dunn Roadbuilders, Inc.
Eley/McPherson
Elliott & Britt Engineering
Engineering Plus, Inc.
Engineering Service
Engineering Solutions, Inc.
Ero-Con
Eubank Construction Company, Inc.
Eubank Construction Company, LLC
Eutaw
FC & E Engineering, LLC
Ferrell Paving, Inc.
Fisher Arnold Inc.
Gardner Engineering
Gardner Engineering P.A.
Gardner Engineering, P.A.
Gardner Engineering P.A. 
Gibson & Associates
Greenbriar Digging Service
Guest Consultants, Inc.
Gulf Breeze Landscaping
Gulf Coast Development & Design
Gulf Coast Solutions
Headwater Inc.
Headwaters, Inc.
Hemphill Construction
Homestead Services LLC
Hooker Engineering Services
Hope Enterprises, LLC
IMS Engineers
IMS Engineers
Interstate Landscaping of MS
J.E. Borries, Inc.
J.J. Ferguson Sand & Gravel, Inc.
JLB Contractors, LLC
JM Duncan, Inc.
James J. Chiniche Engineering
James J. Chiniche P.A., Inc.
Joe McGee
Joe McGee Construction Co.
Kemp Associates, LLC
Key Constructors
Key Constructors, LLC
Lehman Roberts Co.
MDOT
Madison Co. Board of Supervisors
Magco, Inc.
Malouf Construction, LLC
Manhattan Road & Bridge
McBride Co., LLC
McGee Construction Co.
McMaster & Associates
Mendrop Engineering
Mendrop Engineering Resources
Michael Baker
Michael Baker International
Midway Construction
Midway Construction, Inc.
Moran Hauling, Inc.
Myriad Engineering Services
Myriad Engineering Solutions
N.L. Carson
N.L. Carson Construction Co., Inc.
Necaise Bros. Construction
Neel-Schaffer
Neel-Schaffer
Neel-Schaffer, Inc.
Neel-Schaffer, Inc.
Nunley Management
Overstreet & Associates
Overstreet Eng.
Paul Jackson & Son
Paul Jackson & Son, Inc.
Paul Jackson and Son
Phillips Contracting
Phillips Contracting Co. Inc.
Pickering Firm
Pickering Firm, Inc.
R & J Construction, Inc.
SCI, Inc.
SOL Engineering
Shows Dearman & Waits
Shows, Dearman, & Waits, Inc.
Simmons Erosion Control
Simmons Erosion Control Inc.
Sol Engineering Services
Southern Consultants, Inc.
Stantec
Stantec Consulting Services
Ste-Bil Grading, Inc
T L WALLACE
T.L. Wallace Construction, Inc.
Talbot Bros. Contracting Co.
Talbot Brothers
Talbot Brothers
The Walker Associates
Thompson Engineering
Thompson Engineering, Inc.
Thornton Construction Co., Inc.
Tice Engineering, Inc.
Trademark Consulting
Volkert
W.E. Blain & Sons
W.L. Burle Engineers, P.A.
WG Yates Construction Co.
WGK, Inc.
Waggoner
Waggoner Engineering
Waggoner Engineering, Inc.
Walters Construction
Walters Construction Co Inc
Walters Construction Co. Inc.
Webster Electric Co., Inc.
Wilco, Inc.
Williams Engineering
Williams Engineering Consultants
Williams, Clark
Williams, Clark & Morrison
Williams, Clark & Morrison
Williams, Clark, & Morrison
Williford, Gearhart & Knight, Inc.
Willis Engineering
Willis Engineering, Inc.
Xcavators, Inc.
Yates Construction