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Sigma Plus Engineering

Fairfield, Illinois

Fairfield, Illinois, United States12 employees$343,000 revenue

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About Sigma Plus Engineering

Sigma Plus Engineering is listed as a company employing 11-20 people, reporting $0M-$1M in annual revenue, classified under Engineering Services and based in Fairfield, Illinois, United States.

Its primary NAICS classification is 541330 (Engineering Services). Sigma Plus Engineering is one of 1,843,395 companies listed in Illinois.

Business Contact Information

Phone
+1 (618) 8424441
Address
106 SE 3rd St, Fairfield, Illinois, 62837, United States

Industry & Classification

NAICS Codes

  • 54Professional, Scientific, and Technical Services
  • 5413Architectural, Engineering, and Related Services
  • 541330Engineering Services

SIC Codes

  • 87Engineering, Accounting, Research, Management, And Related Services
  • 871Engineering, Architectural, And Surveying
  • 8711Engineering Services

Company Details

Employees
12 (11-20)
Annual Revenue
$343,000 ($0M-$1M)

Sigma Plus Engineering: frequently asked questions

What does Sigma Plus Engineering do?

Sigma Plus Engineering is listed as a company employing 11-20 people, reporting $0M-$1M in annual revenue, classified under Engineering Services and based in Fairfield, Illinois, United States.

Where is Sigma Plus Engineering located?

Sigma Plus Engineering is headquartered at 106 SE 3rd St, Fairfield, Illinois, 62837, United States.

How many employees does Sigma Plus Engineering have?

Sigma Plus Engineering has about 12 employees (the 11-20 range).

What is Sigma Plus Engineering's annual revenue?

Sigma Plus Engineering's annual revenue is estimated at $343,000 (the $0M-$1M range).

What industry is Sigma Plus Engineering in?

Sigma Plus Engineering's primary NAICS code is 541330 (Engineering Services).

How can I contact Sigma Plus Engineering?

Its phone number is +1 (618) 8424441.

Largest companies in Illinois

Largest companies on Factur

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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