Sigma Engineering. is a complete service Engineering Company, and MBE/DBE certified. Sigma is LEED Accredited with the US Green Building Council and are Registered Energy Professionals with the City of Chicago. Sigma's strength is the diversified and huge experience of its partners and employees in all kinds and sizes of projects.

Contact Details

  City Chicago , IL
  Zip Code 60604
  Address 28 East Jackson Boul # 1902
  Phone Number (312) 360-0359