Jaca & Sierra Engineering, PSC logo

Jaca & Sierra Engineering, PSC Employee Directory

Civil EngineeringArkansas, United States11-50 Employees

Jaca & Sierra Engineering, PSC is a civil engineering practice that specializes in geotechnical investigations, consulting, environmental drilling, and construction materials testing. Its testing operations are supported by Jaca & Sierra Testing Laboratories Inc., which is accredited under the AASHTO Accreditation Program and validated by the U.S. Army Corps of Engineers for selected standards in concrete, aggregate, and soil testing. The firm provides services across the Caribbean region, including Puerto Rico, the U.S. Virgin Islands, the British Virgin Islands, Barbados, and other areas of the West Indies and Lesser Antilles.

Founded in 1967, the company is based in Las Cuevas Ward, Arkansas, United States. With a relatively small to mid-sized staff, it positions itself as a specialized provider of geotechnical and materials testing services within the civil engineering sector.

Find Jaca & Sierra Engineering, PSC employees' phone numbers or email addresses

Jaca & Sierra Engineering, PSC Global Highlights

Location
Employees

North America
13

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  • United States Of America
    13

Jaca & Sierra Engineering, PSC's Leadership

  • President at Jaca & Sierra Engineering, PSC
    L. S.
    President
  • Partner, Geotechnical Engineer at Jaca & Sierra Engineering, PSC
    R. C.
    Partner, Geotechnical Engineer
  • Geotechnical Engineer-Level I at Jaca & Sierra Engineering, PSC
    M. E. P.
    Geotechnical Engineer-Level I
  • Bilingual Customer Service Representative at Jaca & Sierra Engineering, PSC
    K. R.
    Bilingual Customer Service Representative
  • Civil Engineer at Jaca & Sierra Engineering, PSC
    M. P.
    Civil Engineer

Jaca & Sierra Engineering, PSC Employee Metrics

100%
50%
0%
2026
2025
  • Accounting
  • Business
  • Other
  • Analytics
  • Engineering
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Contact profiles from Jaca & Sierra Engineering, PSC

Name
Title
Contact
Location
Last Update
  • Partner, Geotechnical Engineer at Jaca & Sierra Engineering, PSC
    R. C.
    Partner, Geotechnical Engineer
    Puerto Rico
    Jan 28, 2026
  • President at Jaca & Sierra Engineering, PSC
    L. S.
    President
    Puerto Rico
    Jun 18, 2024
  • Geotechnical Engineer-Level I at Jaca & Sierra Engineering, PSC
    M. E. P.
    Geotechnical Engineer-Level I
    Puerto Rico, San Juan
    Jun 13, 2025
  • Bilingual Customer Service Representative at Jaca & Sierra Engineering, PSC
    K. R.
    Bilingual Customer Service Representative
    Puerto Rico, Carolina
    Sep 12, 2024
  • Civil Engineer at Jaca & Sierra Engineering, PSC
    M. P.
    Civil Engineer
    Jun 12, 2025

Frequently Asked Questions

What is Jaca & Sierra Engineering, PSC known for?

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Jaca & Sierra Engineering, PSC was founded in 1967 and operates in the Civil Engineering industry. You can contact Jaca & Sierra Engineering, PSC's main corporate office by phone at . Explore Jaca & Sierra Engineering, PSC's company overview page for more information.

What is Jaca & Sierra Engineering, PSC's most common email format?

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Jaca & Sierra Engineering, PSC employees' email format typically follows the pattern of First@jacasierra.com. Trying to find reliable and up-to-date employee contact data? Find more Jaca & Sierra Engineering, PSC email formats with LeadIQ.

How many employees does Jaca & Sierra Engineering, PSC have currently?

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Jaca & Sierra Engineering, PSC has approximately 22 employees as of September 2026. These team members are located across 1 continents, including North America.

Who are Jaca & Sierra Engineering, PSC's key employees and leadership?

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As of September 2026, Jaca & Sierra Engineering, PSC's key employees include:

  • President: L. S.
  • Partner, Geotechnical Engineer: R. C.
  • Geotechnical Engineer-Level I: M. E. P.
  • Bilingual Customer Service Representative: K. R.
  • Civil Engineer: M. P.

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