What departments does Terraphase Engineering Inc. have?

Terraphase Engineering Inc. has employees across 8 departments including Finance, Human Resources, Business, Engineering, Consultant.

What is the largest department at Terraphase Engineering Inc.?

The largest department at Terraphase Engineering Inc. is Engineering with 8 employees.

Where are Terraphase Engineering Inc. employees located globally?

Terraphase Engineering Inc. has employees across 2 continents and 3 countries including Viet Nam, United States Of America, Mexico.

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

Terraphase Engineering Inc.'s team has decreased from approximately 144 to 114 employees based on available data.

Terraphase Engineering Inc. Employee Directory

Environmental ServicesCalifornia, United States51-200 Employees

Terraphase offers cost-effective solutions to complex environmental and engineering challenges. We listen to our clients and focus on their needs. We apply technical expertise and keen awareness of the regulatory framework to achieve our clients' project goals and objectives. The combined talent and experience of Terraphase's engineers, geologists, and scientists form the foundation for a comprehensive environmental management approach.

Find Terraphase Engineering Inc. employees' phone numbers or email addresses

Terraphase Engineering Inc. Global Highlights

North America
196

United States Of America
195
Mexico
1

Asia
1

Viet Nam
1

Terraphase Engineering Inc.'s Leadership

H. G.
Vice President Human Resources
Mobile Phone
Email
D. S.
President
Mobile Phone
Email
C. V.
Sr. Principal Geologist, Chief Revenue Officer
Mobile Phone
Email
G. O.
Corporate Controller
Mobile Phone
Email
S. S.
Manager, Corporate Data Systems
Mobile Phone
Email
C. S.
Senior Business Services Manager
Mobile Phone
Email
M. Y.
Principal
Mobile Phone
Email
C. D.
Senior Principal Geologist
Mobile Phone
Email

Terraphase Engineering Inc. Employee Metrics

100%

50%

0%

2026

2025

Biotechnology
Consultant
Human Resources
Administrative
Analytics
Other
Accounting

Contact profiles from Terraphase Engineering Inc.

Name

Title

Contact Info

Location

Last Update

M. I.
Senior Staff Consultant, Risk Assessment
Mobile Phone
Email
United StatesNew Jersey
Feb 27, 2026
C. H.
Principal Engineer
Mobile Phone
Email
United StatesOregon
Jan 28, 2026
K. S.
Senior Project Engineer
Mobile Phone
Email
United StatesFlorida
Apr 14, 2026
C. A.
Senior Associate Hydrogeologist
Mobile Phone
Email
United StatesOregon
Nov 19, 2025
K. K.
Senior Staff I Geologist
Mobile Phone
Email
Nov 14, 2025
E. J.
Senior Staff Ii Geologist
Mobile Phone
Email
United StatesPennsylvania
Feb 27, 2026
A. A.
Senior Project Scientist
Mobile Phone
Email
Nov 20, 2025
B. O.
Senior Project Gis/Data Services Scientist
Mobile Phone
Email
Feb 27, 2026
K. W.
Principal
Mobile Phone
Email
United StatesConnecticut
Oct 20, 2025
K. C.
Senior Project Coordinator/Staff Accountant Ii
Mobile Phone
Email
United StatesNebraska
Apr 17, 2026

Frequently Asked Questions

What is Terraphase Engineering Inc. known for?

Terraphase Engineering Inc. was founded in 2010 operates in the Environmental Services industry. The company's main headquarters is located in 1300 Clay Street Suite 1000 Oakland, California United States; you can contact the main corporate office by phone at

+1-510-645-****

. Explore Terraphase Engineering Inc.'s company overview page for more information.

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

Terraphase Engineering Inc. employees' email format typically follows the pattern of . Trying to find reliable and up-to-date employee contact data? Find more Terraphase Engineering Inc. email formats with LeadIQ.

How many employees does Terraphase Engineering Inc. have currently?

Terraphase Engineering Inc. has approximately 157 employees as of April 2026. These team members are located across 2 continents, including North AmericaAsia.

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

As of April 2026, Terraphase Engineering Inc.'s key employees include:

Vice President Human Resources: H. G.
President: D. S.
Sr. Principal Geologist, Chief Revenue Officer: C. V.
Corporate Controller: G. O.
Manager, Corporate Data Systems: S. S.

Looking for contact data? Unlock accurate emails and phone numbers for your ideal prospects with LeadIQ.

Everything for prospecting,
in one platform.

What you can expect from LeadIQ:

B2B data verified in real-time
Sync data to your CRM, & add it to an outreach sequence in one click
Integrations with your tech stack for optimal efficiency
A patented AI cold email generator
Account & contact-level job change tracking