Kuat Drive Yards
Imperial-class Star Destroyer

Despite being the most iconic warship of the Empire, many Star Destroyers have now found their way into New Republic fleets.

External resource: Wookieepedia

Known Examples:

Dark Steel: Eighth Imperial Fleet - Captured
Defected to the New Republic in 49:3.

Dread: Eighth Imperial Fleet - Destroyed
Destroyed in 46:6.

Hunter: Rogue Squadron - Active
Formerly Predator until captured at Endor. Scrapped and later repaired. Assigned to Rogue Squadron in 46:5.

Keshmari Resilience: Keshmari Navy - Active
Formerly Raging Storm. Captured by the Keshmari in 51:8.

Malice: Eighth Imperial Fleet - Destroyed
Involved with the Advanced TIE Project. Destroyed in 47:5.

Predator: Eighth Imperial Fleet - Captured
Captured at the Battle of Endor.

Raging Storm: The Triumvirate - Captured
Captured by the Keshmari in 51:8.

Strider: Imperial Union - Destroyed
Destroyed in 49:10.

Vengeful Justice: Imperial Union - Destroyed
Destroyed by the Dukhang in 50:6.