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Penta Engineering Corp

Construction · St. Louis, Missouri

St. Louis, Missouri, United States100 employees$45.0M revenue
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Products & Services

ConstructionIndustrial constructionheavy industrial plant designengineering studiesplant upgradestechnical trainingconsultingdesignbuildconstruction managementproject management3d scanningmodelingdetail engineering designfront end engineering designmining engineer

About Penta Engineering Corp

PENTA Engineering Corporation specializes in providing engineering design, design/build, EPC and EPCM, & consulting services for industrial plant projects.

Its primary NAICS classification is 541330 (Engineering Services). Penta Engineering Corp is one of 4,474 Construction companies listed in Missouri.

Business Contact Information

Phone
+1 (314) 8032398
Fax
+XXX (314) 8780120
Address
10123 Corporate Square Dr, St. Louis, Missouri, 63132, United States

Industry & Classification

Industry
Construction
Sector
Construction
Segment
Industrial construction
IndustryConstructionConstructionIndustrial 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
100 (51-100)
Annual Revenue
$45.0M ($25M-$50M)

Penta Engineering Corp: frequently asked questions

What does Penta Engineering Corp do?

PENTA Engineering Corporation specializes in providing engineering design, design/build, EPC and EPCM, & consulting services for industrial plant projects.

Where is Penta Engineering Corp located?

Penta Engineering Corp is headquartered at 10123 Corporate Square Dr, St. Louis, Missouri, 63132, United States.

How many employees does Penta Engineering Corp have?

Penta Engineering Corp has about 100 employees (the 51-100 range).

What is Penta Engineering Corp's annual revenue?

Penta Engineering Corp's annual revenue is estimated at $45.0M (the $25M-$50M range).

What industry is Penta Engineering Corp in?

Penta Engineering Corp is in the Construction / Construction industry, and its primary NAICS code is 541330 (Engineering Services).

How can I contact Penta Engineering Corp?

Its website is www.penta.net and its phone number is +1 (314) 8032398.

What companies are similar to Penta Engineering Corp?

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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