iENG Design
Construction · St. Louis, Missouri
Products & Services
About iENG Design
iENG is a mechanical design firm that does everything with the end results in mind. We are uniquely qualified from our years of experience designing commercial, institutional, manufacturing /industrial, and heavy industrial projects.
Its primary NAICS classification is 541330 (Engineering Services). iENG Design is one of 4,474 Construction companies listed in Missouri.
Business Contact Information
- Phone
- +1 (314) 5485218
- Website
- www.iengtobuild.com
- linkedin.com/company/ieng-design
- Address
- 1982 Innerbelt Business Center Dr, St. Louis, Missouri, 63114, United States
Industry & Classification
- Industry
- Construction
- Sector
- Construction
- Segment
- Industrial construction
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
- 159 (101-250)
- Annual Revenue
- $16.4M ($10M-$25M)
iENG Design: frequently asked questions
What does iENG Design do?
iENG is a mechanical design firm that does everything with the end results in mind. We are uniquely qualified from our years of experience designing commercial, institutional, manufacturing /industrial, and heavy industrial projects.
Where is iENG Design located?
iENG Design is headquartered at 1982 Innerbelt Business Center Dr, St. Louis, Missouri, 63114, United States.
How many employees does iENG Design have?
iENG Design has about 159 employees (the 101-250 range).
What is iENG Design's annual revenue?
iENG Design's annual revenue is estimated at $16.4M (the $10M-$25M range).
What industry is iENG Design in?
iENG Design is in the Construction / Construction industry, and its primary NAICS code is 541330 (Engineering Services).
How can I contact iENG Design?
Its website is www.iengtobuild.com and its phone number is +1 (314) 5485218.
What companies are similar to iENG Design?
Other large construction companies in Missouri include Quanta Services Inc, JE Dunn Construction Co, ARCO Construction Co and Burns & McDonnell.
Largest construction companies in Missouri
Largest companies in Missouri
Largest construction companies
Manufacturing sales in Missouri, 2026
In Missouri, Factur's 2026 study counted 29 manufacturing quotes worth $962K and 9 purchase orders over 12 months: 31% of quotes became orders, against 21% nationally. See the Missouri data.
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