Simplex Inc.
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Nearby engineering companies
Ash Grove Drive
S 6th Street Frontage Road W
Constitution Drive
S Koke Mill Road
Robbins Road
Robbins Road Pmb
Conestoga Drive
62704
1100 S 9th
Golf Road
S Durkin Drive
Simplex provides load banks and fuel supply systems for power generation and liquid automation, serving customers in manufacturing, technology, transportation, hospitals, schools, public utilities, and the U.S.
11/02/2026
Simplex Completes First Shipment from Westgate.
Simplex is growing, and our team is making it happen. Our first pickup at our new Westgate facility marks another step in Simplex’s growth. Thank you to everyone whose hard work, coordination, and teamwork made this possible.
We’re excited to see this facility in action and recognize the people helping us move forward!
10/19/2026
We brought the team together for a food truck lunch to celebrate the people who make Simplex stronger. Thank you for your hard work, dedication, and teamwork every day!
09/08/2026
Our Employee Engagement Committee recognizes and appreciates the hard work our team members contribute every day. To show our gratitude, the committee hosted a pizza day where employees could connect, celebrate the holiday weekend, and enjoy a snack after together.
Thank you to our team for the dedication, collaboration, and continued contributions that help make Simplex successful.
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Address
5300 Rising Moon Road
Springfield, IL
62711
Opening Hours
| Monday | 8am - 4pm |
| Tuesday | 8am - 4pm |
| Wednesday | 8am - 4pm |
| Thursday | 8am - 4pm |
| Friday | 8am - 4pm |
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