sort by Rank | Alpha
| Possible Meanings | Rank |
| Advanced Television System Committee | **** |
| AlliedSignal Technical Services Corporation | *** |
| Aboitiz Transport System Corporation | *** |
| Australian Tree Seed Centre | *** |
| Advanced Televisions Systems Committee | *** |
| Advanced Television Systems Commitee | *** |
| Arkansas Tobacco Settlement Commission | *** |
| About the Seven Chakras | *** |
| Assessment and Treatment Services Center | *** |
| Advanced Team Systems Center | *** |
| Athletic Training Student Club | *** |
| Advance Television Systems Committee | *** |
| Aboitiz Transport System Corp | *** |
| Air Technical Service Command | *** |
| Asian Thermal Spray Conference | *** |
| American Television Standards Committee | ** |
| Advanced Technology Studies Centre | ** |
| Athletic Training Service Center | ** |
| Accident Trauma Scene Cleaners | ** |
| Advanced Television System Commitee | ** |
| Army Target Shooting Club | ** |
| Advanced Technology Solutions Center | ** |
| analog of the transition state complex | ** |
| Arlington Travel Soccer Club | ** |
| Alabama Traffic Safety Center | ** |
| ARC Trick Shot Challenge | ** |
| Administrative Technology Service Center | ** |
| Advanced Translation Studies Center | ** |
| And Transport Systems Characteristics | ** |
| Air Traffic Services Cell | ** |
| Aerospace Technology Systems Corp | ** |
| American Television Systems Committee | ** |
| Advanced Television Services Committee | ** |
| Army Training Support Centre | ** |
| Assessment Treatment Service Center | ** |
| Australian Tree Seed Center | ** |
| Advance Television Standards Committee | ** |
| Air Traffic Services Communications | ** |
| Australian Target Shooters Club | * |
| Advanced Televsion Systems Committee | * |
| Advanced Traffic Systems Consulting | * |
| Air Traffic Service Communications | * |
| Army Training Support Command | * |
| Air Traffic Services Centre | * |
| Australian Telecommunications Standardization Committee | * |
| Air Technical Services Command | * |
| Aircraft Tool Supply Company | * |
| Archives of The Soviet Communist | * |
| Army Training Support Cluster | * |
| Ask The Sveedish Chef | * |
| Autism Treatment Services of Canada. Association Canadienne pour l'Obtention de Services aux Personnes Autistiques | * |