Suffolk County investigators say the suspects beat and kicked another man outside the Carousel Lounge in Huntington Station around 3:30 a.m. on May 19.
The victim suffered severe injuries.
The men were described as white, approximately 25 to 30 years old. The first suspect has light brown/blondish hair and a muscular build. The second suspect has dark hair and a slim build.
Authorities are now offering a $5,000 reward for information leading to an arrest.