General Info

Sigma Engineering, Inc is a full service Engineering Company, and MBE/DBE certified. Sigma was incorporated in Chicago to provide top of the line engineering services to both the public and private sector. Sigma is LEED Accredited with the United States Green Building Council and are Registered Energy Professionals with the City of Chicago. Sigma's strength is the diversified and vast experience of its partners and employees in all types and sizes of projects. Sigma offers Engineering Services in Mechanical, Plumbing, Fire Protection, Lighting, Electrical, Fire Alarm, Security Data, Communication, Construction Administration, and Construction Management. Our engineers have experience and expertise in all types of projects; from small retail shops, to department stores and regional shopping malls, from simple school additions to entire universities, small warehouses to factories, as well as large industrial plants, medical office buildings, nursing homes, hospitals, and much more.