Products & Services
About Quad Plus
Industrial control systems, solutions, and services provided by our team of electrical, mechanical, civil/structural, chemical, and controls engineers.
Its primary NAICS classification is 541330 (Engineering Services). Quad Plus is one of 6,047 Construction companies listed in Illinois.
Business Contact Information
- Phone
- +1 (844) 2517823
- Website
- http://www.quadplus.com
- Address
- 2200 Ellis Rd, New Lenox, Illinois, 60451, United States
Industry & Classification
- Industry
- Construction
- Sector
- Construction
- Segment
- Industrial construction
NAICS Codes
- 541330Engineering Services
- 335314Relay and Industrial Control Manufacturing
SIC Codes
- 3625Relay and Industrial Control Mfg.
- 362Electrical Industrial Apparatus
Company Details
- Employees
- 210
Quad Plus: frequently asked questions
What does Quad Plus do?
Industrial control systems, solutions, and services provided by our team of electrical, mechanical, civil/structural, chemical, and controls engineers.
Where is Quad Plus located?
Quad Plus is located at 2200 Ellis Rd, New Lenox, Illinois, 60451, United States.
How many employees does Quad Plus have?
Quad Plus has about 210 employees.
What industry is Quad Plus in?
Quad Plus is in the Construction / Construction industry, and its primary NAICS code is 541330 (Engineering Services).
How can I contact Quad Plus?
Its website is www.quadplus.com and its phone number is +1 (844) 2517823.
What companies are similar to Quad Plus?
Other large construction companies in Illinois include Clayco Inc, Tecta America Corp, Enppi and Power Construction.
Largest construction companies in Illinois
Largest companies in Illinois
Largest construction companies
Manufacturing sales in Illinois, 2026
In Illinois, Factur's 2026 study counted 74 manufacturing quotes worth $11.8M and 14 purchase orders over 12 months: 19% of quotes became orders, against 21% nationally. See the Illinois data.
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