Our Mission

We build your idea and amplify your vision! SJ & Construction LLC. is committed to putting our clients first. We take our client’s vision for the project, design it, build it and amplify it to their ultimate satisfaction.
Plant Renovation
Steel Building
Steel Erection
Building &
Metal Work
Piping Work
Crane Structure
Concrete Work for Machinery
Utility Work
Machinery Installation Work
Building & Interior Work
C&J Tech : Demolition service
Projects 2013
KG Crane USA : Crane structure systems
AUTORICA- Interior project
TORO Construction: Roofing work
CNJ INC : General Maintenance work
HYUNDAI MOTORS : Structural fence system
Seoyon Ehwa Alabama : Construction works as floor reinforcement
Projects 2014
Hanna FA : Gas piping
MOBIS Georgia : Plumbing & HVAC
MOBIS Alabama : HVAC
SJA INC : Oil storage building
KIA PAINT – PAINT SHOP : General maintenance work
DaeHa America : General Maintenance work
Sesin Engineering, LLC : Structural steel
Hyundai Steel : Oil & Water separating system
CNJ INC – General Maintenance work
C&J Tech – General Maintenance work
Mando America Corp – G1 : Stair cases
Hyundai Poly Tech : Plant renovation & machinery moving service, Utilities
Projects 2015~2016
HS Automotive Alabama: Trans air piping
Seoyon Ehwa: Interior works, parking lot addition
Canopy addition, Building addition
SJA INC : office addition
KG Crane : crane structure systems
AJIN USA : office addition
KIA MOTORS : General Maintenance works
Hwasung Georgia: General Maintenance works
RACO Alabama : Industrial piping works
SL Alabama : Reinforcement work for crane structures
Jindal Films America LLC: Construction Management services and others
Projects 2017~2018
Gwinnet Plaza Place : Fabrication & installation of structural steel
RACO Alabama: Process water piping & air piping works
Hyundai Glovis : Interior works
SJA INC : office addition
SJA INC : Interior works
KG USA : Crane structure
Seoyon Ehwa: Restroom additions, Machinery moving service & utilities
K-9 Construction : Fabrication of Metal pallets
KIA MOTORS – Platform modification
Archiplan Group- Fabrication and installation of structural steel