Trenchless Drill Sub
Company Overview
When it comes to trenchless work, Drill Sub is the only subcontractor or general contractor you will trust. We specialize in quick and cost-effective no-dig installations and guided directional drilling.
Originating from South Africa, Schalk Opperman arrived in the USA with a wealth of construction knowledge. In the States, he discovered his enthusiasm for trenchless underground construction, which led to the establishment of Drill Sub.
Drill Sub is the trusted name in trenchless subcontracting and general contracting. Our services include fast and affordable no-dig installations and guided directional drilling. Employing a range of trenchless methods helps us alleviate problems such as traffic congestion, site messes, and accidents from excessive trenching in public areas. Our commitment to excellence ensures that clients are satisfied with completed projects, maintaining a clean work environment and reducing public disruption.
Drill Sub recognizes the significance of plumbing trades and homeowners. Every project comes with its own set of traits, challenges, and risks.
Schalk Opperman leads DRILL SUB, a new and forward-thinking company. In 2002, he joined a General Engineering Contractor in California, entering the pipeline sector and gaining extensive experience in underground construction.
In 2006, Schalk opened the Southern California market for JM Turner Engineering, Inc. Consulting Engineers and continues to consult for them.
Over the past 18 years, Schalk has gained well-rounded experience in the underground construction field, spanning installation, contracting, consulting, and the design of complex shoring systems. Schalk's experience, along with his entrepreneurial nature and a timely opportunity, has culminated in the establishment of DRILL SUB.
Business Services
- Drain installation
- Gas line installation
- Gas line repair
- Plumbing inspection
- Plumbing installation or replacement
- Plumbing repair
- Sewer installation
- Sewer repair
- Water pipe installation
- Water pipe repair
Business Location & Hours
Mon: | 7:00 AM - 7:00 PM |
Tue: | 7:00 AM - 7:00 PM |
Wed: | 7:00 AM - 7:00 PM |
Thu: | 7:00 AM - 7:00 PM |
Fri: | 7:00 AM - 7:00 PM |
Sat: | Closed |
Sun: | Closed |
Recommended Customer Reviews

We got numerous quotes for sewer line issues and most companies came in above $30k, Drill Sub cost half that and performed the job with minimal digging. They were professional and easy to communicate with, plus they helped with the permitting process. They have a class A license so they can repair lines in the street! I highly recommend this company!

I've use these guys before and love them Carlos is fair kind and works his butt off along with his guys my name is Less and I am a licensed plumber at all drains plumbing if you need someone to dig a hole and shoot a pipe for you Carlos is the one