| Business | Phone |
| Telesis High Vacuum Inc Austin 78750 | (512) 257-7228 |
| Busch Semiconductor Group Inc 1321 Rutherford Ln 130, Austin 78753 | (512) 835-0906 |
| Helix Technology Corp 9601 Dessau Rd # 301, Austin 78754 | (512) 912-2800 |
| Inficon Inc 4020 S Industrial Dr 145, Austin 78744 | (512) 448-0488 |
| Leybold Inc 4020 S Industrial Dr, Austin 78744 | (512) 448-0479 |
| Semiconductor Vacuum Solutions 4020 S Industrial Dr, Austin 78744 | (512) 448-0478 |
| Shimadyu Precision Instruments 9210 Cameron Rd, Austin 78754 | (512) 339-6007 |
| Ebara Technologies Inc 3019 Alvin Devane Blvd, Austin 78741 | (512) 389-3994 |