| ADACEL SYSTEMS, INC. | 618 | United States |
| ADVANCED ATC, INC. | 356 | United States |
| AIR TRAFFIC CONTROL ASSOCIATION | 543 | United States |
| AIR TRAFFIC TECHNOLOGY INTERNATIONAL | 732 | United Kingdom |
| AIRBUS UTM | 815 | United States |
| AIREON | 347 | United States |
| AIRTEL ATN | 350 | Ireland |
| ASRC FEDERAL | 354 | United States |
| ATAC CORPORATION | 309 | United States |
| AWI | 620 | United States |
| BIAS CORPORATION | 220C | United States |
| BOOZ ALLEN HAMILTON | 161 | United States |
| CI² AVIATION, INC. | 205 | United States |
| COBEC CONSULTING, INC. | 232 | United States |
| COBHAM ADVANCED ELECTRONIC SOLUTIONS | 253 | United States |
| COLLINS AEROSPACE | 647 | United States |
| CONNECTED AVIATION TODAY | 373 | United States |
| DELL TECHNOLOGIES | 206 | United States |
| DELOITTE | 212 | United States |
| DIGITALIBIZ | 240 | United States |
| EIZO, INC. | 361 | United States |
| EMBRY-RIDDLE AERONAUTICAL UNIVERSITY - PH.D. IN AVIATION | 601 | United States |
| ENROUTE COMPUTER SOLUTIONS, INC. | 234 | United States |
| EVANS CONSOLES | 417 | United States |
| FAA AIR TRAFFIC ORGANIZATION [UAS] | 375 | United States |
| FAA EFAST | 275 | United States |
| FAA EMERGENCY OPERATIONS NETWORK DISPLAY | 215 | United States |
| FAA MANAGERS ASSOCIATION (FAAMA) | 316 | United States |
| FAA NAS ANIMATED STORYBOARD | 179 | United States |
| FAA OFFICE OF HUMAN RESOURCES | 277 | United States |
| FAA ROTORCRAFT SAFETY RESEARCH | 177 | United States |
| FAA SMALL BUSINESS OFFICE | 273 | United States |
| FEDERAL EMPLOYEE EDUCATION AND ASSISTANCE FUND (FEEA) | 600 | United States |
| FORCE 3 | 235 | United States |
| FREQUENTIS USA, INC. | 537 | United States |
| GENERAL DYNAMICS | 353 | United States |
| HENSOLDT INC. | 611 | United States |
| HEXAGON GEOSPATIAL | 365 | United States |
| HUMAN SOLUTIONS, INC., A DIVISION OF OASIS | 710 | United States |
| IHSE USA, LLC | 516 | United States |
| INDRA | 616 | United States |
| INFINA, LTD. | 509 | United States |
| INTEL FEDERAL | 220B | United States |
| INTERNATIONAL CIVIL AVIATION ORGANIZATION (ICAO) | 605 | Canada |
| INTERSOFT ELECTRONICS | 408 | Belgium |
| IRON BOW TECHNOLOGIES | 214 | United States |
| JMA SOLUTIONS | 238 | United States |
| JUNIPER NETWORKS | 363 | United States |
| KONGSBERG | 261 | Norway |
| KONGSBERG GEOSPATIAL | 311 | Canada |
| L3HARRIS TECHNOLOGIES | 551 | United States |
| LEIDOS | 449 | United States |
| LEONARDO | 735 | United States |
| LOOKOUT | 513 | United States |
| LS TECHNOLOGIES, LLC | 701 | United States |
| MASTERCLOCK, INC. | 352 | United States |
| MEMOTEC, A WHOLLY OWNED SUBSIDIARY OF COMTECH EF DATA | 703 | Canada |
| METRON AVIATION | 813 | United States |
| MIDWEST ATC SERVICE, INC. | 542 | United States |
| MITRE | 617 | United States |
| MOOG, INC. | 306 | United States |
| MOSAIC ATM, INC. | 728 | United States |
| MR-RAYTHEON | 831 | United States |
| NATIONAL CENTER FOR ATMOSPHERIC RESEARCH | 714 | United States |
| NAVCANATM | 431 | Canada |
| NOBLIS | 641 | United States |
| OBJECTSTREAM, INC. | 318 | United States |
| ORACLE | 220A | United States |
| OST-R / DOT / VOLPE CENTER | 721 | United States |
| PALANTIR TECHNOLOGIES | 717 | United States |
| PARSONS | 521 | United States |
| PROFESSIONAL WOMEN CONTROLLERS, INC. | 730 | United States |
| RAYTHEON | 329 | United States |
| RED HAT, INC. | 241 | United States |
| RED RIVER | 511 | United States |
| ROBINSON AVIATION (RVA) INC. | 257 | United States |
| ROHDE & SCHWARZ | 322 | Germany |
| RUSS BASSETT CONSOLES | 340 | United States |
| SAIC | 201 | United States |
| SCIOTEQ | 517 | Belgium |
| SEARIDGE TECHNOLOGIES | 528 | Canada |
| SENNHEISER COMMUNICATION ATC/C3 SYSTEMS | 410 | Denmark |
| SESAR DEPLOYMENT MANAGER | 204 | Belgium |
| SIEMENS | 200 | United States |
| SKYGUIDE - SWISS AIR NAVIGATION SERVICES LTD. | 538 | Switzerland |
| SKYSOFT-ATM | 441 | United States |
| SOLACE | 512 | Canada |
| SPATIAL FRONT, INC. (“SFI”) | 300 | United States |
| SUNHILLO CORPORATION | 323 | United States |
| TACO ANTENNA | 412 | Canada |
| TELEPHONICS | 411 | United States |
| TETRA TECH AMT | 629 | United States |
| THE ALLIANCE | 203 | United States |
| THE BOEING COMPANY | 500 | United States |
| THE WASHINGTON CONSULTING GROUP, INC. | 237 | United States |
| TKO''S | 236 | United States |
| U.S DEPARTMENT OF TRANSPORTATION | 377 | United States |
| USAF SKYVISION | 227 | United States |
| VERACITY ENGINEERING | 244 | United States |
| VERIZON | 727 | United States |
| VOLANNO | 627 | United States |
| WATTS ANTENNA COMPANY | 233 | United States |
| WEY TECHNOLOGY, INC. | 439 | United States |
| WIDE USA CORPORATION | 607 | United States |
| WORLD ATM CONGRESS | 817 | United States |