Leagues that have not turned in their April 1st averages as of May 15, 2008.
| Belmar II Lanes | Saturday Night Out | BE011 |
| Belmar Lanes | GLS Tuesday Mens | BL006 |
| Belmar Lanes | Sunday 8 Pm Mixed | BL016 |
| Bronco Lanes | Hydra-Matic Mixed | BR026 |
| Cherry Hill North | Clarkston High | CN203 |
| Classic Lanes | Untouchables Mixed | CL002 |
| Clementes Lanes | Oak Club Mens | CM001 |
| Clementes Lanes | Clementes Sunday Afternoon | CM004 |
| Cloverlanes | Sinai Grace Mixed | CV044 |
| Cloverlanes | Mixed Of Standard | CV049 |
| Collier Lanes | Every Other Saturday Night | CO006 |
| Continental Lanes | Labatt Mens Doubles | CI027 |
| Fernhill Country Club | Fern Hill Monday Night Men | FH001 |
| Fernhill Country Club | Fernhill Tuesday Night Ladies | FH101 |
| Ford Lanes | Strikes & Mrs Mixed | FD019 |
| Ford Lanes | Dirty Dozen | FD020 |
| Harbor Lanes | Eastside Builders Supply | HB006 |
| Harbor Lanes | Sports Channel Mixed | HB020 |
| Hartfield Lanes | Lords & Ladies | HT015 |
| Imperial Lanes | Business & Industrial | IM003 |
| Imperial Lanes | Hits & Misses | IM005 |
| Lakeshore Lanes | Huron Ladies | LS101 |
| Mayflower Lanes | The Crowd | MY012 |
| Novi Bowl | Guys & Dolls | NV002 |
| Pampa Lanes | Pampa Thursday Mixed | PM003 |
| Pampa Lanes | Two Man Team | PM027 |
| Parkway Lanes | Grosse Ile Mixed | PK013 |
| Plum Hollow Lanes | Sunday Holy Rollers | PH013 |
| Roosevelt Lanes | Ford Traffic | RV022 |
| Rosebowl Lanes | Unity Mixed | RS020 |
| Rosebowl Lanes | Guardian Angels | RS026 |
| Rosebowl Lanes | Merry Mixers | RS055 |
| Royal Lanes | Bagley Community | RY003 |
| Shore Lanes | Adult - Youth League | SR038 |
| Skore Lanes | Survivor - The PBA Exp | SK062 |
| Sterling Lanes | Thurs Mens Industrial | ST001 |
| Sterling Lanes | Kolping Keglers | ST016 |
| Sterling Lanes | Turners Friday Nite Mix | ST023 |
| Summit Sport Center | Monday Night Ladies | SM103 |
| Taylor Lanes | Downriver Contractors | TY008 |