What departments does Thienes Engineering, Inc. have?

Thienes Engineering, Inc. has employees across 4 departments including Accounting, Program & Project Management, Engineering, Arts & Design.

What is the largest department at Thienes Engineering, Inc.?

The largest department at Thienes Engineering, Inc. is Engineering with 4 employees.

Where are Thienes Engineering, Inc. employees located globally?

Thienes Engineering, Inc. has employees across 1 continents and 1 countries including United States Of America.

How has Thienes Engineering, Inc.'s team size changed over time?

Thienes Engineering, Inc.'s team has decreased from approximately 34 to 29 employees based on available data.

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.

Thienes Engineering, Inc. Global Highlights

North America
51

United States Of America
51

Thienes Engineering, Inc.'s Leadership

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

Thienes Engineering, Inc. Employee Metrics

100%

50%

0%

2026

2025

Program & Project Management
Arts & Design
Accounting
Community & Social Services
Administrative
Other
Engineering

Contact profiles from Thienes Engineering, Inc.

Name

Title

Contact Info

Location

Last Update

S. C.
Controller
Mobile Phone
Email
Oct 23, 2024
J. Y.
Project Manager
Mobile Phone
Email
May 29, 2026
R. H.
Manager
Mobile Phone
Email
Oct 22, 2024
D. A.
Senior Civil Engineer
Mobile Phone
Email
Oct 21, 2024
N. B.
Senior Cad Designer
Mobile Phone
Email
Oct 22, 2024
S. B.
Project Planner
Mobile Phone
Email
May 31, 2026
V. H.
Permit Technician
Mobile Phone
Email
Aug 08, 2025
J. H.
Civil Engineer / Software Developer
Mobile Phone
Email
Jul 08, 2026
K. C.
Contract Administrator
Mobile Phone
Email
Jun 27, 2026
J. P.
Engineer
Mobile Phone
Email
Oct 17, 2024

Frequently Asked Questions

What is Thienes Engineering, Inc. known for?

Thienes Engineering, Inc. was founded in 1986 operates in the Civil Engineering industry; you can contact the 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?

Thienes Engineering, Inc. employees' email format typically follows the pattern of . 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?

Thienes Engineering, Inc. has approximately 39 employees as of July 2026. These team members are located across 1 continents, including North America.

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

As of July 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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Thienes Engineering, Inc. Employee Directory

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Thienes Engineering, Inc. Global Highlights

North America
51

Thienes Engineering, Inc.'s Leadership

Thienes Engineering, Inc. Employee Metrics

Contact profiles from Thienes Engineering, Inc.

Frequently Asked Questions

What is Thienes Engineering, Inc. known for?

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

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

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

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Thienes Engineering, Inc. Employee Directory

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Thienes Engineering, Inc. Global Highlights

North America51

Thienes Engineering, Inc.'s Leadership

Thienes Engineering, Inc. Employee Metrics

Contact profiles from Thienes Engineering, Inc.

Frequently Asked Questions

What is Thienes Engineering, Inc. known for?

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

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

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

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North America
51

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