S S I Technology Inc is a professional engineering firm located in Northfield, Illinois. The company specializes in services related to residential properties and offers expertise in surveying and cartography. Those in the Northfield area can turn to this firm for various engineering needs.

Sheffee Lulkin & Assoc Inc

Professional Engineers

📍 4211 Main St, Skokie, IL, 60076

📞 847-677-8600

Updated Oct 2026

Shabica Charles & Associates

Professional Engineers

📍 550 W Frontage Rd, Northfield, IL, 60093

📞 847-446-1436

🌐 shabica.com

Shabica Charles & Associates is a professional engineering firm located in Northfield, Illinois. The firm specializes in residential projects, focusing on houses and homes. Recent activity indicates that they are currently operational and available for engineering services in the local area.

Optonet Inc

Professional Engineers

📍 828 Davis St Ste 206, Evanston, IL, 60201

📞 847-425-7585

🌐 optonetinc.com

Updated Nov 2026

Grumman Butkus Associates

Professional Engineers

📍 820 Davis St Ste 300, Evanston, IL, 60201

📞 847-328-3555

🌐 grummanbutkus.com

Grumman Butkus Associates is a professional engineering firm located in Evanston, Illinois. The firm has an active online presence as of 2026, indicating ongoing engagement with clients and the community. They offer expertise in various engineering disciplines, serving both public and private sector clients.

GH Michaels Associates

Professional Engineers

📍 1512 Crain St, Evanston, IL, 60202

📞 847-869-5859

🌐 ghmichaels.com

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