API 4F Substructures

Recognized worldwide, the API Monogram is a voluntary licensing program, which facilitates the consistent manufacturing of product conforming to the applicable API Specifications.

With continuous years of good standing with API, and as a licensed manufacturer of the 4F Standard (since 2005), CARE Industries has been given the authority to apply our API Monogram registered mark (API 4F-0108) and Monogram to designed and manufactured Substructures that meet the API 4F specification requirements.

CARE Industries manufactures four different styles of substructures to fit your Service, Drilling and Heli-Portable needs.

  • Telescoping Substructure
  • Swing-Up Substructure
  • Step Down Substructure
  • Box on Box Substructure

These substructures vary in functionality and design in order to adapt to various requirements including but not limited to: efficient and cost-effective transportation, proficient set up and take down, operational safety, and capacity to acclimatize to extreme environments (arctic to rainforest).

In addition, we can also look at manufacturing custom, proprietary designs that meet your individual needs.

For information on our API Q1, API 4F or API 8C certifications, please see go to Our Processes and Certifications page here.

Proven Ability. Dependable Processes. Custom Solutions.


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