Theresa Hoffman


P.O Box 308

Ringoes, NJ 08551

Tel: 908-788-5100 

Fax: 908-788-0604

Our Foundation

Experts in commercial & industrial rock & boulder drilling since 1973 specializing in caissons & pilings for bridges, piers & buildings. We do tie backs, mini piles, shoring, surface casing for gas & oil wells and industrial water wells (nonresidential)  serving clients in the Northeast, East of the Mississippi River.

Contact Information

Kelly Ziegenfuss



To deliver safe and successful operations in challenging conditions.  Our experience and state-of-the-art equipment makes us the preferred drilling contractor worldwide.

Mission Statement

 Recent Projects:

Our Team

Community Resources

Jason Stowell

Senior Project Manager


Copyright Ziegenfuss Drilling, Inc. All rights reserved. 

  • Micro piles for apartment buildings
  • Support of Excavation
  • Water Wells
  • Street sign post preplacements
  • Solar Energy Car ports

Mark Ziegenfuss



WBENC Certified Woman Owned Company.

Women's Business Enterprise NJ WBE Certified.