| Plant Protection Association Local 522 | Ford Motor Co | Chicago, IL | 45 |
| Plant Protection Association Local 251 | Ulstc -- Union Label Service Trades Council | Independence, MO | 36 |
| Plant Protection Association Local 100 | Rouge Unit | Detroit, MI | 32 |
| Plant Protection Association Local 122 | Ppan Local 122 | Southgate, MI | 31 |
| Plant Protection Association Local 121 | | Louisville, KY | 27 |
| Plant Protection Association Local 118 | Ford's Louisville Assembly Plant | Louisville, KY | 20 |
| Plant Protection Association Local 101 | Wayne Plant Unit | Dearborn, MI | 16 |
| Plant Protection Association Local 103 | World Headquarters Unit | Dearborn, MI | 15 |
| Plant Protection Association Local 255 | Brownstown | Romulus, MI | 15 |
| Plant Protection Association Local 120 | | Brownstown, MI | 15 |
| Plant Protection Association Local 111 | | West Bloomfield, MI | 15 |
| Plant Protection Association Local 123 | | Chicago, IL | 15 |
| Plant Protection Association Local 104 | | Perrysburg, NY | 14 |
| Plant Protection Association Local 114 | | Livonia, MI | 14 |
| Plant Protection Association Local 102 | Fordland | Westland, MI | 13 |
| Plant Protection Association Local 400 | Plant Protection Association National | Imlay City, MI | 13 |
| Plant Protection Association Local 136 | | Wixom, MI | 10 |
| Plant Protection Association Local 113 | | Avon, OH | 10 |
| Plant Protection Association Local 117 | | Ypsilanti, MI | 10 |
| Plant Protection Association Local 108 | Lima Plants Unit | Lima, OH | 9 |
| Plant Protection Association Local 112 | Cleveland Casting Plants Unit | Brookpark, OH | 9 |
| Plant Protection Association Local 119 | | Romeo, MI | 9 |
| Plant Protection Association Local 107 | Cleveland Engine Plants Unit | Walton Hills, OH | 8 |
| Plant Protection Association Local 757 | National | Chesapeake, VA | 8 |
| Plant Protection Association Local 110 | | Shelby Township, MI | 8 |
| Plant Protection Association Local 105 | Automotive Assembly Plant Unit | Romulus, MI | 7 |
| Plant Protection Association Local 124 | Ppan | Monroe, MI | 7 |
| Plant Protection Association Local 115 | Ford Motor Company Unit | Monroe, OH | 6 |
| Plant Protection Association Local 553 | | Saint Paul, MN | 4 |
| Plant Protection Association Local 106 | Detroit High Velocity Center | Detroit, MI | 2 |
| Plant Protection Association Local 299 | Dallas | Haltom City, TX | 1 |
