Listed below are the start and end dates of the Collective Bargaining agreements between Local 400 and Employers in our jurisdiction.
| EMPLOYER | START DATE | END DATE | NOTES |
| Hartford Symphony Orchestra | 9/1/2023 | 8/31/2027 | |
| New Haven Symphony Orchestra | 3/11/2024 | 6/30/2028 | |
| Goodspeed Opera House | 1/15/2025 | 1/14/2029 | |
| Norma Terris Theater | 1/15/2023 | 1/14/2026 | Negotiations in progress for a successor agreement |
| Orchestra New England | 7/1/2023 | 6/30/2027 | |
| Bushnell Center for the Performing Arts | 7/1/2024 | 6/30/2028 | |
| Palace Theater (Waterbury) | 12/1/2025 | 11/30/2028 | |
| Toyota Oakdale Theater | 7/1/25 | 6/30/28 | Awaiting final executed document from Employer |
| Hartford Stage Company | N/A | N/A | Updated on a Project by Project basis |
| Long Wharf Theater | N/A | N/A | Updated on a Project by Project basis |
| Opera CT | 7/1/18 | 6/30/2021 | No recent activity |