Mr. Trimble's students have won the following major voice competitions:
Metropolitan Opera Competition
Enrico Caruso International Competition
Luciano Pavarotti Voice Competition
Verdi-Busetto International Competition
Munich International Voice Competition
Richard Tucker Foundation Awards
National Opera Institute Career Advancement Grants
George London Foundation Awards
Sullivan Foundation Award
Bel Canto Competition
Benton-Schmidt Vocal Competition
Montreal International Voice Competition
's-Hertztogenbosch International Vocal Competition
Mr. Trimble's students have fulfilled contracts with:
The Metropolitan Opera
New York City Opera
Vienna State Opera
La Scala
Covent Garden
Paris National Opera
Glynebourne Festival
Edinburgh Festival
Wexford Festival
Salzburg Summer Festival
Aspen Music Festival
San Francisco Opera
Chicago Lyric Opera
Berlin Opera
Munich Opera
Seattle Opera
Baltimore Opera
Connecticut Opera
Anchorage Opera
Vancouver Opera, British Columbia
Canadian Opera Company/Toronto, Canada
Opera Hamilton/Ontario, Canada
Opera Companies of Australia, New Zealand, Cologne, Hamburg,
Frankfurt, Verona and Milan