The following teams will earn exemptions into the John R. Williams Invitational:
- Championship Division: Top 16 teams (and ties) from the past 2 JRWs
- Championship Division: Past Champion Teams (last 10 years)
- Senior Division: Top 4 teams (and ties) from the past 2 JRWs
- Senior Division: Past Champion Teams (last 5 years)
To register as an exempt team, your team must be identical to the team that secured the exemption. No individual exemptions are being granted. Exempt teams may click on the appropriate tab on the home screen above to register for the 2020 Williams. You will receive confirmation of your registration and appropriate payment information at that time.
| 2018 Top 16 Teams (Championship Division) | ||
| 1st | Simon McInnis | Garrett Rank |
| 2nd | Stephen Hale | DJ Fernando |
| T3 | Craig Hosie | Harris Bundy |
| T3 | Andrew Kay | David Fries |
| 5th | Jeff March | Francesco Romano |
| 6th | Shawn Baker | Davidde Giordano |
| T7 | Brian Hill | Brian Agee |
| T7 | Andrew Montooth | Scott Anderson |
| T7 | Brad Monroe | Kevin VandenBerg |
| T7 | Jordan Sease | Walt Todd, Jr. |
| T11 | Daniel Russo | David Hayes |
| T11 | Kyle Moran | Charlie Waddell |
| T13 | Matthew Weins | Carter Lucas |
| T13 | Nathan Peck | Andrew Fretthold |
| T13 | Ryan Greer | Bill Roach, Jr. |
| T13 | Daniel Licursi | Chris Kamin |
| 2017 Top 16 Teams (Championship Division) | ||
| 1st | Eric Rustand | Clark Rustand |
| T2 | Kyle Moran | Charlie Waddell |
| T2 | Garrett Rank | Simon McInnis |
| T4 | Michael Affeldt | Chris Sekella |
| T4 | Shane Heise | Scott Loving |
| T4 | Jimmy Delp | Benjamin Keefer |
| T7 | Jamie Miller | Billy Hanes |
| T7 | Shawn Baker | Davidde Giordano |
| T7 | Mark Elgner | Craig Sinclair |
| T10 | Zan Banks | Harold Wyatt |
| T10 | Jason Pool | Starell Cox |
| T10 | Daniel Russo | Tim Saur |
| T10 | Stephen Hale | DJ Fernando |
| T14 | Mike May | David May |
| T14 | Danny Riskam | Pete Mangold |
| T14 | David Poteet | Mike Cromer |
| Championship Division Winners Last 10 Years (2009-2018) | ||
| 2018 | Garrett Rank | Simon McInnis |
| 2017 | Eric Rustand | Clark Rustand |
| 2016 | John Hunter | Kyle Nathan |
| 2015 | Garrett Rank | Simon McInnis |
| 2014 | Nick Palladino | Oliver White |
| 2013 | Dave Poteet | Mike Cromer |
| 2012 | Ronald DeNunzio | David DeNunzio |
| 2011 | Rob Cowan | Dave Bunker |
| 2010 | Arnold Cutrell | Frank Fairman |
| 2009 | Rob Cowan | Tyler McDannold |
| 2018 Top 4 Teams (Senior Division) |
| 1st | Bob Royak | Doug Hanzel |
| 2nd | Keith Holmes | Gay McMichael |
| T3 | Tom Blank | Mark Dugan |
| T3 | Adam Kugler | Dan Levinson |
| T3 | John Kircher | Mike Jaros |
| 2017 Top 4 Teams (Senior Division) |
| 1st | John Kircher | Mike Jaros |
| 2nd | Mark Chylinski | Jim Mueller |
| 3rd | Allen Peake | Chris Hall |
| 4th | William Charpek | John O’Malley |
| Senior Division Winners Last 5 Years (2014-2018) | ||
| 2018 | Bob Royak | Doug Hanzel |
| 2017 | John Kircher | Mike Jaros |
| 2016 | Tom Blank | Mark Dugan |
| 2015 | Don Erickson III | John Benson |
| 2014 | Tom Blank | Mark Dugan |