| Advanced Radio Systems | Florida |
| Advanced Radio Systems, Inc. | Florida |
| Advanced Regenerative Manufacturing Institute | |
| Advanced Reliable Software | Illinois |
| Advanced Research Company | Michigan |
| Advanced Research Corporation | Delaware |
| Advanced Reservation Systems, Inc. | California |
| Advanced Robot Solutions | |
| Advanced Robotics for Manufacturing Institute | Pennsylvania |
| Advanced Rotorcraft Technology, Inc. | California |
| Advanced Science and Novel Technology, Co., Inc. | California |
| Advanced Sciences and Technologies | New Jersey |
| Advanced Scientific Applications, Inc. | California |
| Advanced Search Engine Marketing Consultants, LLC | Vermont |
| Advanced Sensor Technologies, Inc. | California |
| Advanced Simulation Research, Inc. | Florida |
| Advanced Simulation Technology, Inc. | Virginia |
| Advanced Software Designs | Missouri |
| Advanced Software Products | California |
| Advanced Software Products Group, Inc. | Florida |
| Advanced Solutions and Consulting | California |
| Advanced Solutions International | Virginia |
| Advanced Solutions Life Sciences, LLC | Virginia |
| Advanced Solutions, Inc. | Arkansas |
| Advanced Space, LLC | |
| Advanced Specialties Electronics | New Jersey |
| Advanced Sterilization Products | California |
| Advanced Strategies, Inc. | Georgia |
| Advanced Stream | Washington |
| Advanced Synergies | |
| Advanced System Services, Inc. | Wisconsin |
| Advanced Systems | Virginia |
| Advanced Systems & Designs | Michigan |
| Advanced Systems and Products, Inc. | New Jersey |
| Advanced Systems Concepts, Inc. | New Jersey |
| Advanced Systems Design | Florida |
| Advanced Systems Development, Inc. | Virginia |
| Advanced Systems for Power Engineering, Inc. | California |
| Advanced Systems Technology, Inc. | Oklahoma |
| Advanced Systems Unlimited, LLC | Alabama |
| Advanced Targeting Systems, Inc. | California |
| Advanced Tech Enterprise | Texas |
| Advanced Tech Systems, Inc. | Illinois |
| Advanced Tech, Inc. | South Dakota |
| Advanced Technologies & Communications | New York |
| Advanced Technologies and Services, Inc. | New Jersey |
| Advanced Technology & Research Corporation | Maryland |
| Advanced Technology and Research, Inc. | Georgia |
| Advanced Technology Company | |
| Advanced Technology Consultants | |