# Entegra Attachments acquires TEI Rock Drills

Entegra Attachments LLC, based in St. Charles, Illinois, acquired TEI Rock Drills, a Montrose, Colorado-based manufacturer of hydraulic rock drilling equipment. Financial terms were not disclosed.

- Type: Acquisition
- Announced: 2026-05-13
- Where: Montrose, Colorado, United States
- Status: completed
- Products: hydraulic rock drilling equipment, excavator attachments, hydraulic rigs, drill heads
- Sectors: [Mining Equipment](https://endata.com/sectors/mining-equipment.md), [Construction Materials](https://endata.com/sectors/construction-materials.md)

## Companies

- [Entegra Attachments](https://endata.com/companies/49335.md) (acquirer)
- [TEI Rock Drills](https://endata.com/companies/91947.md) (target)

## Sources

- [montrosebusinesstimes.com](https://montrosebusinesstimes.com/montrose-manufacturer-tei-rock-drills-sold-to-entegra-attachments/), 2026-05-13: "TEI's winning proposition in drilling systems plus HMC's premier position in pile driving, supported by the highest service, expertise, and training, makes for an unbeatable proposition."
- [teirockdrills.com](https://teirockdrills.com/entegra-attachments-llc-announces-purchase-of-tei-rock-drills/), 2026-05-14: "Entegra Attachments, LLC, of Saint Charles, IL, is pleased to announce its acquisition of TEI Rock Drills, Inc."
- [pilebuck.com](https://pilebuck.com/entegra-attachments-announces-purchase-of-tei/), 2026-05-15: "Entegra Attachments, LLC, of Saint Charles, IL, is pleased to announce its acquisition of TEI Rock Drills, Inc., a Montrose, CO based manufacturer of specialized drilling machinery used in underground utilities, mining, tunneling, and construction applications."
- [lectura.press](https://lectura.press/en/article/entegra-attachments-llc-announces-purchase-of-tei-rock-drills/69133), 2026-06-15: "The acquisition of TEI Rock Drills significantly enhances Entegra’s Pile Driving and Drilling Platform."

---
Data from Endata (https://endata.com/). Announcements are summarized from public sources and may be incomplete; check the linked originals.