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Thienes Engineering, Inc. Employee Directory

Civil EngineeringCalifornia, United States11-50 Employees

Thienes Engineering, Inc. is a civil engineering and land surveying firm based in La Mirada, California, operating since 1986 as an expansion of Jay Thienes and Associates. The company provides services across industrial, commercial, shopping center, residential, and school developments, as well as subdivisions, offering survey capabilities such as boundary, construction, topographic, ALTA, and control surveying. Its work supports clients by delivering cost-effective engineering solutions while maintaining timely delivery and strong relationships with local and state agencies. The firm’s location and history place it within the Southern California civil engineering and surveying market, serving projects that require integrated engineering and surveying expertise. A notable recent development is a partnership established in 2021 with Bio Clean Environmental, where Thienes Engineering served as Engineer of Record to engineer the site and provide efficient solutions.

Find Thienes Engineering, Inc. employees' phone numbers or email addresses

Thienes Engineering, Inc. Global Highlights

Location
Employees

North America
57

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  • United States Of America
    57

Asia
1

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  • Malaysia
    1

Thienes Engineering, Inc.'s Leadership

  • Controller at Thienes Engineering, Inc.
    S. C.
    Controller
    Mobile Phone
  • Project Manager at Thienes Engineering, Inc.
    J. Y.
    Project Manager
    Mobile Phone
  • Manager at Thienes Engineering, Inc.
    R. H.
    Manager
    Mobile Phone
  • Senior Civil Engineer at Thienes Engineering, Inc.
    D. A.
    Senior Civil Engineer
    Mobile Phone
  • Senior Cad Designer at Thienes Engineering, Inc.
    N. B.
    Senior Cad Designer
    Mobile Phone
  • Project Planner at Thienes Engineering, Inc.
    S. B.
    Project Planner
    Mobile Phone
  • Permit Technician at Thienes Engineering, Inc.
    V. H.
    Permit Technician
    Mobile Phone
  • Civil Engineer / Software Developer at Thienes Engineering, Inc.
    J. H.
    Civil Engineer / Software Developer
    Mobile Phone

Thienes Engineering, Inc. Employee Metrics

100%
50%
0%
2026
2025
  • Program & Project Management
  • Arts & Design
  • Accounting
  • Community & Social Services
  • Other
  • Engineering

Contact profiles from Thienes Engineering, Inc.

Name
Title
Contact
Location
Last Update
  • Controller at Thienes Engineering, Inc.
    S. C.
    Controller
    Mobile Phone
    Oct 23, 2024
  • Project Manager at Thienes Engineering, Inc.
    J. Y.
    Project Manager
    Mobile Phone
    Sep 03, 2026
  • Manager at Thienes Engineering, Inc.
    R. H.
    Manager
    Mobile Phone
    Oct 22, 2024
  • Senior Civil Engineer at Thienes Engineering, Inc.
    D. A.
    Senior Civil Engineer
    Mobile Phone
    Oct 21, 2024
  • Senior Cad Designer at Thienes Engineering, Inc.
    N. B.
    Senior Cad Designer
    Mobile Phone
    Oct 22, 2024
  • Project Planner at Thienes Engineering, Inc.
    S. B.
    Project Planner
    Mobile Phone
    May 31, 2026
  • Permit Technician at Thienes Engineering, Inc.
    V. H.
    Permit Technician
    Mobile Phone
    Aug 08, 2025
  • Civil Engineer / Software Developer at Thienes Engineering, Inc.
    J. H.
    Civil Engineer / Software Developer
    Mobile Phone
    Sep 12, 2026
  • Contract Administrator at Thienes Engineering, Inc.
    K. C.
    Contract Administrator
    Mobile Phone
    Jun 27, 2026
  • Engineer at Thienes Engineering, Inc.
    J. P.
    Engineer
    Mobile Phone
    Oct 17, 2024

Frequently Asked Questions

What is Thienes Engineering, Inc. known for?

Minus sign iconPlus sign iconThienes Engineering, Inc. was founded in 1986 and operates in the Civil Engineering industry. You can contact Thienes Engineering, Inc.'s main corporate office by phone at
+1-714-521-****
. Explore Thienes Engineering, Inc.'s company overview page for more information.

What is Thienes Engineering, Inc.'s most common email format?

Minus sign iconPlus sign iconThienes Engineering, Inc. employees' email format typically follows the pattern of First@thieneseng.com. Trying to find reliable and up-to-date employee contact data? Find more Thienes Engineering, Inc. email formats with LeadIQ.

How many employees does Thienes Engineering, Inc. have currently?

Minus sign iconPlus sign iconThienes Engineering, Inc. has approximately 39 employees as of August 2026. These team members are located across 2 continents, including North America and Asia.

Who are Thienes Engineering, Inc.'s key employees and leadership?

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As of August 2026, Thienes Engineering, Inc.'s key employees include:

  • Controller: S. C.
  • Project Manager: J. Y.
  • Manager: R. H.
  • Senior Civil Engineer: D. A.
  • Senior Cad Designer: N. B.

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