Thienes Engineering, Inc. Employee Directory

Q: What is Thienes Engineering, Inc. known for?

Thienes Engineering, Inc. was founded in 1986. Thienes Engineering, Inc. operates in the Civil Engineering industry.

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

Thienes Engineering, Inc. has approximately 38 employees.

Civil EngineeringCalifornia, United States11-50 Employees

Since 1986, Thienes Engineering, Inc. has provided cost effective engineering services to the highest professional standards in a timely manner.  Responding to our clients needs as well as maintaining a good working relationship with local and state agencies has given Thienes Engineering an excellent reputation in the field of Civil Engineering and Land Surveying. 

Established in 1976 as Jay Thienes and Associates by his father, Brian Thienes expanded the business in 1986 to include Thienes Engineering, Inc.

Principal Business:

Civil Engineering:
Industrial Developments - Commercial Developments - Shopping Centers – Residential Developments - Subdivisions - School Developments.

Land Surveying:
Boundary Surveys - Construction Surveying - Topographic and Alignment Surveying - ALTA Surveying - Horizontal and Vertical Control Surveying - Route Surveying

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

Thienes Engineering, Inc. Global Highlights

North America
49

United States Of America
49

Thienes Engineering, Inc.'s Leadership

B. T.
Ceo
Mobile Phone
Email
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

Thienes Engineering, Inc. Employee Metrics

100%

50%

0%

2026

2025

2024

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

Contact profiles from Thienes Engineering, Inc.

Name

Title

Contact Info

Location

Last Update

D. L.
Project Engineer
Mobile Phone
Email
UNITED STATES
Oct 22, 2024
J. P.
Engineer
Mobile Phone
Email
Oct 17, 2024
J. C.
Executive Administrator
Mobile Phone
Email
Oct 16, 2024
J. H.
Executive Assistant
Mobile Phone
Email
United StatesPennsylvania
Oct 21, 2024
M. A.
Plan Check Technician
Mobile Phone
Email
Oct 24, 2024
S. O.
Design Engineer
Mobile Phone
Email
Oct 21, 2024

Frequently Asked Questions

What is Thienes Engineering, Inc. known for?

Thienes Engineering, Inc. was founded in 1986 operates in the Civil Engineering industry. The company's main headquarters is located in 14349 Firestone Boulevard la Mirada, California 90638 United States; 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 38 employees as of February 2026. These team members are located across 1 continents, including North America.

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

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

Ceo: B. T.
Controller: S. C.
Project Manager: J. Y.
Manager: R. H.
Senior Civil Engineer: D. A.

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