| Leonard Carmichael Society | Academic & Science |
| Library Computer System | Academic & Science |
| Laboratory of Computer Science | Academic & Science |
| Las Canas | Airport Code |
| Low Carbon Steel | Business |
| Brompton Lifeco Split Corporation | Business |
| Leopards Courier Service | Business |
| Lender Consulting Services | Business |
| Low Cost Sanitation | Business |
| Laboratory Control Sample | Chemistry |
| Leaders in Community Service | Community |
| Lakeland Christian School | Community |
| Lutheran Community Services | Community |
| Lynchburg City Schools | Community |
| Learning Classifier Similar | Community |
| Leon County Schools | Community |
| Last Comic Standing | Community |
| Loudonville Christian School | Community |
| Line Cards | Computing |
| Linkedin Customer Support | Computing |
| Location Services | Computing |
| Louisville Computer Society | Computing |
| Legato Certified Specialist | Computing |
| Local Control Software | Computing |
| Live Call Screening | Computing |
| Liquid Crystal Shutter | Computing |
| Life Cycle Solutions | Computing |
| Lan Channel Station | Computing |
| Lotus Communication Server | Computing |
| Library Computing Services | Computing |
| London Computer Systems | Computing |
| LocalCoinSwap | Cryptocurrency |
| Liquid Cooling System | Earth Science |
| Limiter, Compressor, and Saturator | Electronics |
| Act! History File Datafile | File Type |
| Local Comic Shop | General |
| Lagrangian Coherent Structures | General |
| Loughborough Catering Solutions | General |
| Least Common Substring | General |
| League Championship Series | General |
| Likes Concerns Suggestions | General |
| Life Care Services | General |
| Limited Concentrated Sweets | General |
| Local Card Shop | General |
| Local Control Station | General |
| Limagrain Cereal Seeds | General |
| Lost Cup Syndrome | General |
| Lakeside Curative Services | General |
| Lotus Challenge Series | General |
| Lane Change Support | General |
| Lane Control Sign | General |
| Lotus Cup Series | General |
| Last Car Standing | General |
| Lexus Customer Service | General |
| Load Compensating Suspension | General |
| Low Coolant Sensor | General |
| Lamborghini Club Suisse | General |
| Lancia Club Suisse | General |
| Lambda Control System | General |
| London Cobra Show | General |
| Lean Combustion System | General |
| Lancia Club Serbia | General |
| Lane Control Signal | General |
| Lamborghini Club Singapore | General |
| Ltd Crown Victoria S | General |
| Lamborghini Configuration System | General |
| Lane Control System | General |
| Lane Change Severity | General |
| Liberty City Stories | General |
| LYNX Central Station | General |
| Landing Craft Support | General |
| Landing Craft Small | General |
| Littoral Combat Ships | General |
| Littoral Combat | General |
| Layout Control System | General |
| Lie cheat steal | General |
| Line Control System | General |
| Lehnert Construction Services | General |
| License Compliance Services | General |
| Like Comment And Subscribe | General |
| Life Communication Skills | General |
| Legal Copy Services | Governmental |
| Local Carriage Service | Governmental |
| Longest Continuous Segment | Governmental |
| Launch Communication Satellite | Governmental |
| Les Communications Serres | International |
| Least Chi Square | Maths |
| Least Common Subsumer | Maths |
| Longest Common Subsequence | Medical |
| Laparoscopic Coagulation Shears | Medical |
| Laboratory for Computer Science | Medical |
| Low Contact Stress | Medical |
| Lung Cancer Subscale | Medical |
| Lovable Cuddlely Sweet | Messaging |
| Least Cost Selection | Messaging |
| Landing Craft Air Cushion Control Ship | Military and Defence |
| Littoral Combat Ship | Military and Defence |
| Land Combat Study | Military and Defence |
| Live Communications Server | Networking |
| Lagrangian Coherent Structure | Physics Related |
| Las Canas, Costa Rica | Regional |
| Laser Communications System | Space Science |
| Launch Control System | Space Science |
| List of Command Signals | Space Science |
| League of legends Championship Series | Sports |
