> Enrich.chat gives AI agents verified work emails and mobiles. To use it from an agent, read https://enrich.chat/agents.md . This is the Markdown version of https://enrich.chat/companies-in/illinois/mechanical-or-industrial-engineering/ # Mechanical and industrial engineering firms in Illinois Larger mechanical and industrial engineering firms headquartered in Illinois: who they are, what they run and how to reach their people. By Enrich.chat Editorial. Updated October 21, 2026. **Short answer:** Larger mechanical and industrial engineering firms headquartered in Illinois include R.R. Donnelley & Sons, Brunswick, ACCO Brands, CTS and Duracell. Below are the tools that stand out, where they are based and how big they are. ## Which mechanical and industrial engineering firms are headquartered in Illinois? They include R.R. Donnelley & Sons, Brunswick, ACCO Brands, CTS and Duracell. The table lists a selection in alphabetical order; names link to company profiles. | Company | Size | Tools detected | | --- | --- | --- | | ACCO Brands | 5,000 to 10,000 | 20 | | [Brunswick](https://enrich.chat/company/brunswick/) | 10,000 to 25,000 | 31 | | CTS | 2,000 to 5,000 | 16 | | Duracell | 2,000 to 5,000 | 22 | | EVRAZ North America | 2,000 to 5,000 | 10 | | Ferrara | 2,000 to 5,000 | 13 | | [R.R. Donnelley & Sons](https://enrich.chat/company/r-r-donnelley-and-sons/) | 25,000 to 50,000 | 39 | | Reynolds Consumer Products | 2,000 to 5,000 | 24 | | Robert Bosch Tool Corporation NA | 2,000 to 5,000 | 30 | | Ryerson | 2,000 to 5,000 | 35 | ## What technology do mechanical and industrial engineering firms in Illinois use? These tools stand out among them: each is detected more often here than across all the organizations listed. The tick on each bar marks that wider average. **Figure: Tools that stand out among mechanical and industrial engineering firms in Illinois.** Bars for the share of listed mechanical and industrial engineering firms in Illinois where each tool was detected, with a tick for the share across everything listed: Bloomreach 10% against 1%, Klaviyo 10% against 1%, Rackspace 10% against 0%, SilkRoad 10% against 0%, Silverpop (Acoustic) 10% against 1%, Undertone 10% against 0%. *Share of listed mechanical and industrial engineering firms in Illinois where each tool was detected. The tick marks the share across all listed organizations.* ## Where in Illinois are they based? The bars show the headquarters city of the listed mechanical and industrial engineering firms. **Figure: Headquarters cities of mechanical and industrial engineering firms in Illinois.** Bars for the share of listed mechanical and industrial engineering firms in Illinois headquartered in each city: Chicago 50%, Mettawa 10%, Lake Zurich 10%, Lisle 10%, Lake Forest 10%, Mount Prospect 10%. *Share of listed mechanical and industrial engineering firms in Illinois by headquarters city.* ## How big are mechanical and industrial engineering firms in Illinois? The columns show how they spread across six size ranges. **Figure: Size of mechanical and industrial engineering firms in Illinois.** Six columns for the share of listed mechanical and industrial engineering firms in Illinois in each size range: 2-5K 70%, 5-10K 10%, 10-25K 10%, 25-50K 10%, 50-100K 0%, 100K+ 0%. *Share of listed mechanical and industrial engineering firms in Illinois in each size range.* ## More to explore Other industries in Illinois: [Hospitals and health care](https://enrich.chat/companies-in/illinois/hospitals-and-health-care/)[Information technology and services](https://enrich.chat/companies-in/illinois/information-technology-and-services/)[Retail](https://enrich.chat/companies-in/illinois/retail/)[Insurance](https://enrich.chat/companies-in/illinois/insurance/)[Financial services](https://enrich.chat/companies-in/illinois/financial-services/)[Food and beverages](https://enrich.chat/companies-in/illinois/food-and-beverages/)[Higher education](https://enrich.chat/companies-in/illinois/higher-education/)[Machinery](https://enrich.chat/companies-in/illinois/machinery/)[All of Illinois](https://enrich.chat/companies-in/illinois/) Mechanical or industrial engineering elsewhere: [United States](https://enrich.chat/companies-in/united-states/mechanical-or-industrial-engineering/)[India](https://enrich.chat/companies-in/india/mechanical-or-industrial-engineering/)[Brazil](https://enrich.chat/companies-in/brazil/mechanical-or-industrial-engineering/)[Texas](https://enrich.chat/companies-in/texas/mechanical-or-industrial-engineering/)[Mechanical or industrial engineering](https://enrich.chat/industries/mechanical-or-industrial-engineering/) ## How do you reach engineering directors, plant managers and operations leaders at mechanical and industrial engineering firms in Illinois? Pick an organization from the table, then ask your AI agent for the people in the roles you sell to. ```text Use www.enrich.chat to find engineering directors, plant managers and operations leaders at [company] in Illinois, with titles and verified work emails ``` ## Frequently asked questions ### Which mechanical and industrial engineering firms are headquartered in Illinois? They include R.R. Donnelley & Sons, Brunswick, ACCO Brands, CTS and Duracell. The page lists a selection with links to their profiles. ### What technology do mechanical and industrial engineering firms in Illinois use? Tools that stand out include Bloomreach, Klaviyo, Rackspace and SilkRoad. ### How big are mechanical and industrial engineering firms in Illinois? They range from about 2,000 employees to well over 100,000. The columns on this page show the spread. ### Who do you sell to? Usually engineering directors, plant managers and operations leaders. Ask your AI agent to use www.enrich.chat to find them with verified work emails. ## Try this prompt Find engineering directors, plant managers and operations leaders ```text Use www.enrich.chat to find engineering directors, plant managers and operations leaders at [company] in Illinois, with titles and verified work emails ``` ## Related - [Companies using a technology](https://enrich.chat/companies-using/) - [Hospitals and health systems in Illinois](https://enrich.chat/companies-in/illinois/hospitals-and-health-care/) - [Software and technology services companies in Illinois](https://enrich.chat/companies-in/illinois/information-technology-and-services/) - [Retailers in Illinois](https://enrich.chat/companies-in/illinois/retail/) - [Insurance companies in Illinois](https://enrich.chat/companies-in/illinois/insurance/) - [Mechanical and industrial engineering firms in the United States](https://enrich.chat/companies-in/united-states/mechanical-or-industrial-engineering/) - [Mechanical and industrial engineering firms in India](https://enrich.chat/companies-in/india/mechanical-or-industrial-engineering/) - [Mechanical and industrial engineering firms in Brazil](https://enrich.chat/companies-in/brazil/mechanical-or-industrial-engineering/) - [Mechanical and industrial engineering firms in Texas](https://enrich.chat/companies-in/texas/mechanical-or-industrial-engineering/) - [Tech stack lookup](https://enrich.chat/tools/tech-stack-lookup/)