What departments does Gregg Drilling, LLC have?

Gregg Drilling, LLC has employees across 6 departments including Accounting, Operations, Program & Project Management, Environmental Services, Administrative.

What is the largest department at Gregg Drilling, LLC?

The largest department at Gregg Drilling, LLC is Operations with 3 employees.

Where are Gregg Drilling, LLC employees located globally?

Gregg Drilling, LLC has employees across 2 continents and 2 countries including Angola, United States Of America.

How has Gregg Drilling, LLC's team size changed over time?

Gregg Drilling, LLC's team has grown from approximately 9 to 10 employees based on available data.

Gregg Drilling, LLC Employee Directory

Environmental ServicesCalifornia, United States51-200 Employees

Gregg Drilling, LLC, based in Signal Hill, California, provides services across environmental, geotechnical, and marine site investigation and remediation projects. The firm is noted for drilling, sampling, and subsurface investigation work carried out for clients in industry and government. It is certified as a Small Disadvantaged Business Enterprise (SDBE) and is affiliated with an Alaska Native Corporation (ANC). In 2021, Gregg Drilling formed a geotechnical drilling services joint venture with Ocean Infinity Group, expanding its capabilities in marine geotechnical work. The company operates within the environmental services sector, offering specialized subsurface investigations and remediation for its customers.

Gregg Drilling, LLC Global Highlights

North America
46

United States Of America
46

Africa
1

Angola
1

Gregg Drilling, LLC's Leadership

D. D. K.
Controller
Mobile Phone
Email
D. M.
Northern California Operations Manager
Mobile Phone
Email
E. R.
Marine Operations Manager
Mobile Phone
Email
F. V.
Southern California Operations Manager
Mobile Phone
Email
J. C.
Northern California Project Manager - Rotary Drilling
Mobile Phone
Email
R. S.
Accounts Payable Manager
Mobile Phone
Email
A. G.
Environmental Technician
Mobile Phone
Email
C. S.
Driller
Mobile Phone
Email

Gregg Drilling, LLC Employee Metrics

100%

50%

0%

2026

2025

Business Development
Healthcare Services
Manufacturing
Other
Program & Project Management
Consultant

Contact profiles from Gregg Drilling, LLC

Name

Title

Contact

Location

Last Update

D. D. K.
Controller
Mobile Phone
Email
Oct 22, 2024
D. M.
Northern California Operations Manager
Mobile Phone
Email
Oct 23, 2024
E. R.
Marine Operations Manager
Mobile Phone
Email
Oct 16, 2024
F. V.
Southern California Operations Manager
Mobile Phone
Email
Oct 23, 2024
J. C.
Northern California Project Manager - Rotary Drilling
Mobile Phone
Email
Jun 27, 2025
R. S.
Accounts Payable Manager
Mobile Phone
Email
Nov 06, 2025
A. G.
Environmental Technician
Mobile Phone
Email
Oct 23, 2024
C. S.
Driller
Mobile Phone
Email
Apr 26, 2025
J. D.
Labor
Mobile Phone
Email
Oct 16, 2024
K. D.
Administrative Assistant
Mobile Phone
Email
Oct 22, 2024

Frequently Asked Questions

What is Gregg Drilling, LLC known for?

Gregg Drilling, LLC was founded in 1985 and operates in the Environmental Services industry. You can contact Gregg Drilling, LLC's main corporate office by phone at

+1-925-313-****

. Explore Gregg Drilling, LLC's company overview page for more information.

What is Gregg Drilling, LLC's most common email format?

Gregg Drilling, LLC employees' email format typically follows the pattern of FLast@greggdrilling.com. Trying to find reliable and up-to-date employee contact data? Find more Gregg Drilling, LLC email formats with LeadIQ.

How many employees does Gregg Drilling, LLC have currently?

Gregg Drilling, LLC has approximately 63 employees as of July 2026. These team members are located across 2 continents, including North America and Africa.

Who are Gregg Drilling, LLC's key employees and leadership?

As of July 2026, Gregg Drilling, LLC's key employees include:

Controller: D. D. K.
Northern California Operations Manager: D. M.
Marine Operations Manager: E. R.
Southern California Operations Manager: F. V.
Northern California Project Manager - Rotary Drilling: J. C.

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Gregg Drilling, LLC Employee Directory

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