AMTECH SYSTEMS, INC. Subsidiaries
Every subsidiary the company listed in Exhibit 21 of its annual reports, newest list first (17 lists). Names and jurisdictions are as filed.
- 2025-12-10: Subsidiary Advanced Compound Materials, Inc.; Jurisdiction State of Delaware.
- 2025-12-10: Subsidiary Bruce Technologies, Inc.; Jurisdiction State of Massachusetts.
- 2025-12-10: Subsidiary BTU Europe Ltd.; Jurisdiction United Kingdom.
- 2025-12-10: Subsidiary BTU International, Inc.; Jurisdiction State of Delaware.
| Annual report filed | Subsidiary | Jurisdiction |
|---|
| 2025-12-10 | Advanced Compound Materials, Inc. | State of Delaware |
|---|
| 2025-12-10 | Bruce Technologies, Inc. | State of Massachusetts |
|---|
| 2025-12-10 | BTU Europe Ltd. | United Kingdom |
|---|
| 2025-12-10 | BTU International, Inc. | State of Delaware |
|---|
| 2025-12-10 | BTU Ltd. (Shanghai) | China |
|---|
| 2025-12-10 | BTU Overseas, Ltd. | State of Delaware |
|---|
| 2025-12-10 | BTU Overseas (Shanghai) Co., Ltd. | China |
|---|
| 2025-12-10 | Entrepix, Inc. | State of Arizona |
|---|
| 2025-12-10 | Entrepix Asia Ptd., Ltd. | Singapore |
|---|
| 2025-12-10 | Entrepix International, Inc. | State of Arizona |
|---|
| 2025-12-10 | Intersurface Dynamics, Inc. | State of Connecticut |
|---|
| 2025-12-10 | P.R. Hoffman Machine Products, Inc. | State of Arizona |
|---|