| Year | Quartet Name / Chapter(s) | Tenor | Lead | Baritone | Bass |
|---|---|---|---|---|---|
| 2025 | Cut For Time Central Arizona, Greater Phoenix, Mesa, Sun Cities |
Gene Brandwein | Bryan Thompson | Howard Donley | Jay Breen |
| 2024 | The South Bay Curve South Bay |
Damian Curran | Dan Ulfig | David Taylor | John Saffery |
| 2023 | Midwest Connection Grand Rapids MI, Greater Phoenix, Minneapolis MN, Sun Cities, Frank Thorne |
Grant Fox | Curt Struyk | Brion Grant | Bill Shaw Jr. |
| 2022 | Velvet Frogs Fullerton, Greater Los Angeles, & Santa Monica |
Craig Ewing | David Livingsgton | C J Sams, Jr. | Bill Wilson |
| 2019 | Biscuits and Gravy Inland Empire |
Geoff Mordue | David Strough Jr. | P. Lance Alloway | Allen Smith |
| 2018 | Antique Parts Prescott |
Richard Ludwigson | Edward Massa | Sam Stimple | Thomas Keenan |
| 2017 | Above The Lawn Las Vegas |
Buddy Seeberg | Jeff Swart | Chuck Wines | Dave Kennedy |
| 2016 | Antique Parts Prescott |
Richard Ludwigson | Edward Massa | Sam Stimple | Thomas Keenan |
| 2015 | Blood, Sweat, and Years Bay Area, Santa Fe Springs, Frank Thorne |
Paul Engel | Lester Weiser | Bob Cathaway | Bill Myers |
| 2014 | The Artful Codgers California Delta, Nevada-Placer, Sacramento, Frank Thorne |
Barry Givens | Steve Bernstein | Daniel Wilson | Blair Reynolds |
| 2013 | Preferred Blend Fullerton, La Jolla |
David Yarnell | Steve Hansen | Peter Hensley | Alfred Vera |
| 2012 | Late Harvest California Delta, Placerville |
Jim DeChaine | Jim Ingram | Paul Goldsmith | Richard Lund |
| 2011 | Silver Knights Las Vegas Metro, Palo Alto-Mountain View |
John Mininger | Warren Hettinga | Chuck Wines | James Sherman |
| 2010 | Pacific Express | Max Frickey | J Silva | Paul Silva | Kent Brahams |
| 2009 | Top-Notch Rincon Beach, Santa Fe Springs, Santa Monica |
Arthur Taylor | Lawrence Goodfried | Robert Heron | Daniel Place |
| 2008 | Preservation II Placerville |
Neal Sisson | Ray Rhymer | Bill Pearson | Richard Lund |
| 2007 | Harmony.com Fullerton, Santa Fe Springs, Frank Thorne |
Stan Sharpe | Arthur Clayton | Dennis Burke | Alfred Vera |
| 2005 | Still Kids At Heart San Luis Obispo, San Jose |
Rene Foster | Roy Foxhoven | Greg Shifano | John Staley |
| 2004 | Preservation Placerville, Frank Thorne |
Neal Sission | Ray Rhymer | Phil Calef | Allen Jaeger |
| 2003 | Older Than Dirt Placerville |
Neal Sisson | Ray Rhymer | Russ Toliver | Bernard Carlson |
| 2002 | Jest For Phun? Conejo Valley |
Jim Laverty | George Dallas | John Ford | Larry Krause |
| 2001 | Pastense Phoenix Saguaro |
Chuck Nicoloff | Merrill Hardy | George Hoffman | Norm Wolfe |
| 2000 | Ageless Wonders Santa Barbara |
? | Robert Wilke | George Hoffman | ? |
| 1999 | Grand Dads East Bay |
? | ? | John Serr | Hal Rutledge |
| 1997 | 300+ Visalia |
Morris Trent | ? | ? | Stanley Livesay |
| 1996 | The Rusty Roosters Fullerton, Orange, Santa Fe Springs |
Russ Kimberling | Deane Taylor | Deane Scoville | Bill Merry |