The break-in took place overnight between Sept. 28 and Sept. 29 at Wieco Wire and Cable Inc., located on Rodeo Drive in Brentwood, according to Suffolk County Police.
Investigators say the suspect or suspects forced entry into the business and stole gold bars, high-end watches, collectible coins, and sports memorabilia.
Suffolk County Crime Stoppers is offering a cash reward for information leading to an arrest.
Anyone with details can submit an anonymous tip by calling 1-800-220-TIPS, using the P3 Tips app, or submitting information online at www.P3Tips.com. All tips will remain confidential.
Click here to follow Daily Voice Mastic-Shirley and receive free news updates.