| LGS | Lahore Grammar School 
| Others |
| LGS | Lahore Grammar School (Pakistan)
| Others |
| LGS | Laminated Glass Systems
| Others |
| LGS | Landscape and Geophysical Services
| Others |
| LGS | Lane Guard Support
| Others |
| LGS | Lane Guard System
| Others |
| LGS | Laney Graduate School
| Others |
| LGS | Langevin Gioumousis Stevenson
| Others |
| LGS | Langley Grammar School
| Others |
| LGS | Large General Service
| Others |
| LGS | Laser Guide Star
| Others |
| LGS | Last Gnome Standing
| Others |
| LGS | Latvijas Gaisa Satiksme
| Others |
| LGs | le Mans Gse
| Others |
| LGS | Lead Generation Solution
| Others |
| LGS | Leadership Greater Syracuse
| Others |
| LGS | Leaky Gut Syndrome
| Others |
| LGS | LEDAS Geometric Solver
| Others |
| LGS | Lemmingball Game Script
| Others |
| LGS | Lennox Gastaut Syndrome
| Others |
| LGS | Les Gets Snowsports
| Others |
| LGS | Levermore Global Scholars
| Others |
| LGS | Life Guard School
| Others |
| LGS | Light Gauge Steel
| Others |
| LGS | Light Guide Solutions
| Others |
| LGS | Linear Geometrical Structure
| Others |
| LGS | Lined And Government Stamped
| Others |
| LGS | Linksys Gigabit Switch
| Others |
| LGS | Little Garage Shop
| Others |
| LGS | Live Give Share
| Others |
| LGS | Liverpool Genealogy Society, Inc.
| Others |
| LGS | Load Far Pointer in GS
| Others |
| LGS | Local Game Store
| Others |
| LGS | Local Gaming Store
| Others |
| LGS | Local Government Service (Ghana)
| Others |
| LGS | Local Government Services
| Others |
| LGS | Local Government Solutions
| Others |
| LGS | Local Government Super
| Others |
| LGS | Local Government System
| Others |
| LGS | Local Group Survey
| Others |
| LGS | Local Group Suspected
| Others |
| LGS | Local Gun Store
| Others |
| LGS | Logitech Gaming Software
| Others |
| LGS | Looking Glass Studios
| Others |
| LGS | Loop- or Ground-start Subscriber
| Others |
| LGS | Loughborough Grammar School
| Others |
| LGS | Louisiana Geological Survey
| Others |
| LGS | Low Glucose Suspend
| Others |
| LGS | Lower Gasket Set
| Others |
| LGS | Loyal Gameing Soldiers
| Others |
| LGS | Loyola Generativity Scale
| Others |
| LGS | Luca G Soave
| Others |
| LGS | Luxury Garage Sale
| Others |
| LGs | Lynx Gs
| Others |
| LGS | Malargue, MD, Argentina
| Others |