- LeGrand Institute of Cosmetology IncCity: CamdenState: South Carolina
- Lehigh Valley Barber SchoolCity: BethlehemState: Pennsylvania
- Leon Studio One School of Beauty KnowledgeCity: WilliamsvilleState: New York
- Leons Beauty School IncCity: GreensboroState: North Carolina
- Leston CollegeCity: BayamonState: Puerto Rico
- Leston College -City: IsabelaState: Puerto Rico
- Lexington Healing Arts AcademyCity: LexingtonState: Kentucky
- Lia Schorr Institute of Cosmetic Skin Care TrainingCity: New YorkState: New York
- Liceo de Arte y TecnologiaCity: San JuanState: Puerto Rico
- Liceo de Arte-Dise-O y ComercioCity: CaguasState: Puerto Rico
- Lil Lou's Beauty and Barber CollegeCity: GaryState: Indiana
- Lil Lou's Beauty and Barber College-HammondCity: HammondState: Indiana
- LIM CollegeCity: New YorkState: New York
- Lincoln College of Technology-ColumbiaCity: ColumbiaState: Maryland
- Lincoln College of Technology-DenverCity: DenverState: Colorado
- Lincoln College of Technology-Grand PrairieCity: Grand PrairieState: Texas
- Lincoln College of Technology-IndianapolisCity: IndianapolisState: Indiana
- Lincoln College of Technology-MariettaCity: MariettaState: Georgia
- Lincoln College of Technology-Melrose ParkCity: Melrose ParkState: Illinois
- Lincoln College of Technology-NashvilleCity: NashvilleState: Tennessee
- Lincoln Technical Institute-AllentownCity: AllentownState: Pennsylvania
- Lincoln Technical Institute-East WindsorCity: East WindsorState: Connecticut
- Lincoln Technical Institute-IselinCity: IselinState: New Jersey
- Lincoln Technical Institute-LincolnCity: LincolnState: Rhode Island
- Lincoln Technical Institute-MahwahCity: MahwahState: New Jersey
- Lincoln Technical Institute-MoorestownCity: MoorestownState: New Jersey
- Lincoln Technical Institute-New BritainCity: New BritainState: Connecticut
- Lincoln Technical Institute-ParamusCity: ParamusState: New Jersey
- Lincoln Technical Institute-PhiladelphiaCity: PhiladelphiaState: Pennsylvania
- Lincoln Technical Institute-SheltonCity: SheltonState: Connecticut
- Lincoln Technical Institute-South PlainfieldCity: South PlainfieldState: New Jersey
- Lincoln Technical Institute-UnionCity: UnionState: New Jersey
- Lincoln Technical Institute-WhitestoneCity: WhitestoneState: New York
- Lindsey Institute of CosmetologyCity: Bowling GreenState: Kentucky
- Lionel UniversityCity: CarpinteriaState: California
- Long Island Beauty School-HauppaugeCity: HauppaugeState: New York
- Long Island Beauty School-HempsteadCity: HempsteadState: New York
- Long Island Business InstituteCity: FlushingState: New York
- Long Island Nail Skin & Hair InstituteCity: BethpageState: New York
- Loraines Academy & SpaCity: Saint PetersburgState: Florida
- Los Angeles Academy of Figurative ArtCity: Van NuysState: California
- Los Angeles College of AestheticsCity: Los AngelesState: California
- Los Angeles College of MusicCity: PasadenaState: California
- Los Angeles Film SchoolCity: HollywoodState: California
- Los Angeles Pacific CollegeCity: Los AngelesState: California
- Lotus Professional CollegeCity: RichmondState: Virginia
- Louisiana Academy of BeautyCity: EuniceState: Louisiana
- Louisiana Culinary InstituteCity: Baton RougeState: Louisiana
- Love Beauty School IncCity: ManchesterState: Tennessee
- Lowell Academy Hairstyling InstituteCity: LowellState: Massachusetts
- Lu Ross AcademyCity: VenturaState: California
- Luckes Beauty Academy LLCCity: Newport NewsState: Virginia
- Lyle's College of BeautyCity: FresnoState: California
- Lyle's College of BeautyCity: BakersfieldState: California
- Lynnes Welding TrainingCity: FargoState: North Dakota
- Lynnes Welding Training - RamseyCity: RamseyState: Minnesota
- Lynnes Welding Training-BismarckCity: BismarckState: North Dakota
- Lytles Redwood Empire Beauty CollegeCity: Santa RosaState: California
- M J Murphy Beauty College of Mount PleasantCity: Mount PleasantState: Michigan
- M T Training CenterCity: Grand PrairieState: Texas