Here’s a list of some of the most well-known global suppliers of swivel screw clamps:

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Leading Global Suppliers of Swivel Screw Clamps

1. Festo

   • A global leader in automation technology and pneumatic components.

2. Parker Hannifin

   • A major player in motion and control technologies, including clamps and fasteners.

3. SMC Corporation

   • Known for its pneumatic control engineering and offers a range of clamps and accessories.

4. Bossard Group

   • Specializes in fastening technology and logistics services related to clamps and other components.

5. ACE Controls Inc.

   • Offers various types of clamps, including swivel screw clamps, for industrial applications.

6. Zimmer Group

   • Known for automation and handling technology, including precision clamps.

7. Bishop Wisecarver

   • Provides motion solutions, including clamps for a variety of applications.

8. Enerpac

   • Specializes in high-pressure hydraulic tools, which include clamps for various lifting and holding applications.

9. Norgren

   • Part of the IMI plc group, providing automation and fluid control solutions, including clamps.

10. Camozzi Automation

    • Offers a variety of automation products, including clamps and fastening solutions. ```

This list includes companies known for their industrial and automation products, including swivel screw clamps. The actual availability of specific products may vary based on regional markets and specific industrial needs.