Current 2020 MAIN Members:
| Unit Name | Classification |
| Abington High School | SRA |
| Allentown High School Winterguard | SRAA |
| Alter Ego | IW |
| AMP Winterguard A | IA |
| AMP Winterguard Jr. | IJ |
| AMP Winterguard Open | IO |
| AMP Winterguard World | IW |
| Arcola Intermediate School | MS |
| Arundel High School | SAA |
| Avon Grove High School | SO |
| Barnegat High School | SRA |
| Boyertown Area High School | SRAA |
| Bridgewater Raritan High School | SAA |
| Cab Calloway JV | IRA |
| Cab Calloway V | SAA |
| Central Bucks (East) Indoor Guard | IN |
| Classics Colorguard | IRA |
| Coterie | IJ |
| Council Rock HS South | SA |
| Council Rock MS | MS |
| Delaware Valley University | IN |
| Delazure | IO |
| Diamond Winterguard | IA |
| Downingtown East High School | SRAA |
| Downingtown High School West | SAA |
| Empress Winter Guard | IN |
| EQ2 of Brick Memorial | IRA |
| Equus Brick Memorial High School | SA |
| Fair Lawn | SAA |
| Field of View | IO |
| Franklin High School Winter Guard | SN |
| Gateway Regional Winterguard | SAA |
| Great Valley High School | SRA |
| Haddon Heights HS | SA |
| Haddon Heights MS | MS |
| Haddon Heights Short Circuit | IJ |
| Harry S. Truman Color Guard | SN |
| Hatboro-Horsham | SRA |
| Hickasville Winter Guard | SRAA |
| Hillsborough High School | SAA |
| Hopewell Valley HS | SRAA |
| Hunterdon Central Regional HS Black | SA |
| Hunterdon Central Regional HS Red | SRAA |
| Impetus Winterguard | IA |
| John P. Stevens | SRAA |
| Keith Valley Middle School | MS |
| Light Brigade Open | IO |
| Light Brigade Senior | IS |
| Light Winterguard | IRA |
| Mahwah High School | SRA |
| Main Line Independent | IO |
| Malverne Winter Guard | SRAA |
| Manalapan HS Crimson | SN |
| Manalapan HS Scarlet | SRAA |
| Manchester Township Performance Ensemble | SRAA |
| Marple Newtown HS | SRAA |
| Matawan Regional High School Enigma Varsity | SA |
| Matawan Regional High School Genesis JV | SN |
| Methacton HS | SRA |
| Mineola High School | SA |
| Monroe Township High School | SA |
| Morris Hills High School | SRA |
| Morris Knolls HS | SRA |
| Morristown High School Rebellion | SN |
| Morristown High School Revolution | SRA |
| Moxie Guard | IRA |
| N-8 Winterguard | IRA |
| N-8 Winterguard Novice | IN |
| North Penn High School | SA |
| North Penn Middle School | MS |
| North Plainfield High School | SRAA |
| Northern Burlington Regional High School | SRAA |
| Northern Valley High School | SAA |
| Nutley High School | SRAA |
| Parsippany High School | SN |
| Parsippany Hills HS | SN |
| Pegasus Too Jr. | IJ |
| Pegasus Too RA | IRA |
| Penncrest High School | SAA |
| Pennridge | SN |
| Pequannock Township High School | SAA |
| Phoenixville High School | SRAA |
| Plymouth Whitemarsh High School | SRA |
| Port Chester HS | SRAA |
| Radnor High School Indoor Guard | SA |
| Ramsey High School Winter Guard | SRA |
| Ridgewood | SRA |
| Robbinsville High School | SN |
| Sachem Central School District | SRAA |
| Sayreville Winter Guard | SRAA |
| Snyder Winterguard | IN |
| Somerville High School Reg. AA | SRAA |
| Somerville High School World | SW |
| South Brunswick Visual Ensemble | SO |
| Southern Regional HS | SA |
| Southern Regional HS Black | SN |
| Spring-Ford High School Blue | SRAA |
| Spring-Ford High School Gold | SA |
| Spring-Ford Middle School | MS |
| Surge 2.0 | IJ |
| Surge Cadets | IJ |
| Surge Independent | IA |
| Toms River East | SRAA |
| True Colors | IRA |
| Upper Dublin | SAA |
| Upper Moreland Middle School Winter Guard | MS |
| Upper Moreland Winter Guard | SA |
| Walt Whitman | SRA |
| Washington Township HS Winter Guard | SRAA |
| Wayne Hills High School Millenia Winterguard | SA |
| Wayne Valley | SRAA |
| West Essex Winterguard | SRAA |
| West Milford High School | SA |
| West Orange JV | SN |
| West Orange Varsity | SAA |
| Westfield High School Winter Guard | SAA |
| Wissahickon Indoor Color Guard | SN |