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.
Founded in 1987, Delta Engineering is a minority business enterprise that offers a variety of professional services in the fields of engineering, construction management and surveying. It provides electrical engineering services related to lighting and layout design, pumping stations, and communication, intercom and fire alarm systems. The company s mechanical engineering capabilities include energy management, instrumentation, plumbing and piping, and material and energy balances. Delta Engineering offers architectural design services for public buildings, institutions, and recreational and industrial facilities, as well as residential, commercial and parking structures. It also performs land, route, property and topographical surveys. The company s clients include the US Army Corps of Engineers, U.S. General Services Administration and Chicago Transit Authority. Delta Engineering is located in Chicago.
We operate nationwide and internationally offering Mechanical, Electrical, Plumbing, Sprinkler, and File Protection Engineering services, as well as Building Condition Assessments & Commissioning, LEED Consulting, Energy Modeling, Engineering Design Reviews and much more.
