A NSW premier harness racing driver, a trainer and a former Harness Racing NSW steward have been charged in relation to an alleged race-fixing and corruption scandal.

The steward appeared in Lithgow Local Court this afternoon and was granted conditional bail on 38 counts of agent receive corrupt benefit. He was ordered not to contact four people until he appears in Downing Centre Court on December 8.

The arrests followed Strike Force Tairora executing search warrants this morning at addresses in Plumpton, Leura, Bossley Park and Woonona, north of Wollongong.

Police released a statement confirming the arrest of a 48-year-old Leura man, a 45-year-old Woonona man, and a 24-year-old Plumpton man.

The Woonona man was charged with eight counts of corruptly give/offer agent benefit and granted conditional bail to appear at Wollongong Local Court on 20 December 2011.

The Plumpton man was charged with 10 counts of corruptly give/offer agent benefit and was expected to be granted conditional bail, with a court date yet to be set.