| Company Name | # of employees | ||
| Ottawa Total | 50,778 | ||
| Ottawa Average | 86 | ||
| Ottawa Median | 23 | ||
| 1 | Nortel Networks | 7,000 | |
| 2 | Alcatel Canada | 3,000 | |
| 3 | JDS Uniphase | 2,400 | |
| 4 | EDS | 1,800 | |
| 5 | Mitel Networks | 1,800 | |
| 6 | Cognos Inc. | 1,159 | |
| 7 | Corel Corporation | 900 | |
| 8 | Anjura Technology Corp. | 820 | |
| 9 | CGI Information Systems and Management Consultants | 800 | |
| 10 | General Dymanics Canada Ltd. | 800 | |
| 11 | MDS Nordion | 790 | |
| 12 | IBM | 700 | |
| 13 | i-STAT Canada Ltd | 600 | |
| 14 | Canadian Bank Note Company Ltd. | 500 | |
| 15 | Computer Sciences Canada Inc. | 500 | |
| 16 | BreconRidge Manufacturing Solutions | 500 | |
| 17 | Accenture Inc. | 450 | |
| 18 | Valcom Limited | 435 | |
| 19 | EntrustTechnologiesLtd | 400 | |
| 20 | Cisco Systems | 400 | |
| 21 | Telesat Canada | 375 | |
| 22 | Zarlink | 356 | |
| 23 | Adobe Systems Inc. | 350 | |
| 24 | Adga Group | 350 | |
| 25 | DRS Flight Safety and Communications | 330 | |
| 26 | Xwave | 325 | |
| 27 | Catena Networks Inc. | 303 | |
| 28 | DEW Engineering and Development Ltd. | 300 | |
| 29 | Cognicase Inc | 280 | |
| 30 | March Networks | 253 | |
| 31 | Ajja Information Technology Consultants Inc. | 250 | |
| 32 | Ceyba Inc. | 250 | |
| 33 | Innovance Networks | 250 | |
| 34 | Volex Canada | 250 | |
| 35 | Lockheed Martin Canada | 250 | |
| 36 | Veritaaq | 240 | |
| 37 | DY 4 Systems Inc. | 225 | |
| 38 | Fujitsu Consulting | 210 | |
| 39 | QNX Software Systems Ltd | 210 | |
| 40 | OZ OpticsLtd | 200 | |
| 41 | CMC Electronics Inc. | 200 | |
| 42 | Tundra Semiconductor Corp | 200 | |
| 43 | EMS Technologies Canada Ltd | 200 | |
| 44 | Filtran Ltd. | 200 | |
| 45 | Prestec Electronics | 185 | |
| 46 | Associates Group of Companies | 180 | |
| 47 | Tropic Networks | 180 | |
| 48 | Marconi Communications | 178 | |
| 49 | webplan Inc | 175 | |
| 50 | Promaxis Systems Inc | 170 | |
| 51 | CML Emergency Services Inc. | 170 | |
| 52 | AccelLight | 160 | |
| 53 | MOSAID Technologies Inc | 150 | |
| 54 | ATCO Frontec Corporation | 150 | |
| 55 | Eftia OSS Solutions Inc | 150 | |
| 56 | IT/NET | 150 | |
| 57 | C-MAC Engineering Inc. | 150 | |
| 58 | Sirius Consulting Group Inc. | 150 | |
| 59 | MONTAGE.DMC | 140 | |
| 60 | Cadence Design Systems (Canada) Ltd. | 140 | |
| 61 | Nexinnovations | 140 | |
| 62 | Rational Software | 134 | |
| 63 | MDSAeroSupportCorp | 130 | |
| 64 | Sierra Systems Group Inc | 130 | |
| 65 | Smart Technologies Inc. | 130 | |
| 66 | Hummingbird | 125 | |
| 67 | Amec Technologies Limited | 120 | |
| 68 | Chipworks Inc. | 120 | |
| 69 | Magma Communications Ltd | 120 | |
| 70 | Med-EngSystemsInc | 120 | |
| 71 | NORTAK Software Ltd | 120 | |
| 72 | Ridge Falls House Inc | 120 | |
| 73 | Nuvo Network Management Inc | 120 | |
| 74 | Qunara Inc. | 120 | |
| 75 | SemiconductorINSIGHTSInc | 115 | |
| 76 | Calian | 110 | |
| 77 | GSI Lumonics Inc | 110 | |
| 78 | Iogen Corporation | 110 | |
| 79 | Meriton networks Inc. | 110 | |
| 80 | Neptec Design Group Ltd | 110 | |
| 81 | WorldHeart Corporation | 107 | |
| 82 | Espial | 105 | |
| 83 | GasTOPS Ltd | 100 | |
| 84 | Prologic Systems Limited | 100 | |
| 85 | Siemens Canada Ltd, Telecom Innovation Centre | 100 | |
| 86 | Mxi Technologies Ltd | 100 | |
| 87 | Nextiraone | 100 | |
| 88 | IntermapTechnologies | 95 | |
| 89 | Absopulse | 94 | |
| 90 | Spirent Communications, DLS Division | 90 | |
| 91 | Instatel Inc | 88 | |
| 92 | Research in Motion Limited | 87 | |
| 93 | Filtran Microcircuits Inc | 87 | |
| 94 | International Datacasting Corp | 86 | |
| 95 | CroMedica Inc. | 85 | |
| 96 | SiGe Semiconductor Inc | 85 | |
| 97 | Watchfire | 85 | |
| 98 | Hemera Technologies | 85 | |
| 99 | WebGain | 85 | |
| 100 | Fleming Communications Inc | 82 | |
| 101 | Optiwave Corporation | 81 | |
| 102 | Bridgewater Systems Corporaton | 80 | |
| 103 | AIT Corp. | 80 | |
| 104 | Chrysalis-ITS | 80 | |
| 105 | Computer Telephony Solutions | 80 | |
| 106 | DragonWave Inc. | 80 | |
| 107 | ItechCentre | 80 | |
| 108 | NetManage | 80 | |
| 109 | Science Applications International Corp(SAIC Canada) | 80 | |
| 110 | SiberCore Technologies Incorporated | 80 | |
| 111 | SpaceBridge Semiconductor Corporation | 80 | |
| 112 | SS8 Networks Inc. | 80 | |
| 113 | Northern Micro Inc | 80 | |
| 114 | Mobil Satelite Ventures | 80 | |
| 115 | Atreus Systems Corporation | 78 | |
| 116 | Akara | 77 | |
| 117 | Aimtronics | 75 | |
| 118 | Quake Technologies, Inc | 75 | |
| 119 | Amtek Engineering Services Ltd. | 75 | |
| 120 | Harris Computer Systems | 75 | |
| 121 | IBISKA Telecom Inc | 75 | |
| 122 | Sander Geophysics Ltd | 75 | |
| 123 | SOLIDUM Systems Corp | 75 | |
| 124 | Peregrine Systems | 73 | |
| 125 | ASG Inc. | 70 | |
| 126 | Cistel Technology Inc. | 70 | |
| 127 | Scintrex trace Corp | 70 | |
| 128 | Cadabra Design Automation Inc. | 65 | |
| 129 | Conexant Systems Inc. | 65 | |
| 130 | Coradix Technology Consulting Ltd. | 65 | |
| 131 | Nanometrics | 65 | |
| 132 | Sciemetric Instruments Inc | 65 | |
| 133 | Thales Systems Canada | 65 | |
| 134 | MetroPhotonics Inc | 65 | |
| 135 | Mobil Knowledge Inc. | 65 | |
| 136 | PikaTechnologiesInc | 63 | |
| 137 | Silicon Access Networks | 63 | |
| 138 | WavePrecision Inc | 62 | |
| 139 | AMITA Corporation | 60 | |
| 140 | Cemtech Ltd. | 60 | |
| 141 | Control Microsystems Inc. | 60 | |
| 142 | Fleetway Inc | 60 | |
| 143 | IceFyre Semiconductor Corporation | 60 | |
| 144 | Kanatek | 60 | |
| 145 | KOM NETWORKS Inc | 60 | |
| 146 | Plaintree Systems Inc | 60 | |
| 147 | SAP Canada Inc. | 60 | |
| 148 | Cactus Communications Internet | 57 | |
| 149 | Bitflash Inc. | 55 | |
| 150 | PMC Sierra | 55 | |
| 151 | Devon Group Ltd. (The) | 55 | |
| 152 | Optovation | 55 | |
| 153 | Tellabs Transport Group | 52 | |
| 154 | Versatel Networkds Inc. | 52 | |
| 155 | Workstream Inc. | 50 | |
| 156 | Halogen Software | 50 | |
| 157 | Performance Technologies Inc | 50 | |
| 158 | Databeacon Inc. | 50 | |
| 159 | AMS Management Systems Canada Inc. | 50 | |
| 160 | FreeBalance Inc | 50 | |
| 161 | FSG Consultants Inc. | 50 | |
| 162 | Gallium Software Inc | 50 | |
| 163 | Interactive Circuits&Systems Ltd | 50 | |
| 164 | KyberpassCorporation | 50 | |
| 165 | MIL Systems | 50 | |
| 166 | MPC Circuits Inc | 50 | |
| 167 | Nellcor Puritan Bennett | 50 | |
| 168 | S&S Software Ltd | 50 | |
| 169 | Sigpro Wireless Inc. | 50 | |
| 170 | Texar Corporation | 50 | |
| 171 | Trillium Photonics Inc. | 50 | |
| 172 | Versaterm Inc | 50 | |
| 173 | Xebec Imaging Services Inc | 50 | |
| 174 | CADlink Technology | 50 | |
| 175 | Sand technology Systems | 50 | |
| 176 | Zeddcom | 50 | |
| 177 | LINMOR Technologies Inc | 49 | |
| 178 | ISS Integrated Security Solutions48 | 48 | |
| 179 | W.R. Davis Engineering | 47 | |
| 180 | IntelcanTechnosystemsInc | 46 | |
| 181 | Innocor Ltd | 46 | |
| 182 | Atsana Semiconductor Corp | 46 | |
| 183 | ATMOS Corporation | 45 | |
| 184 | Beyond 20/20 Inc. | 45 | |
| 185 | Ceridian Canada Ltd. | 45 | |
| 186 | Pylon Electronics Inc | 45 | |
| 187 | Sun Microsystems | 45 | |
| 188 | SymageryMicrosystems | 45 | |
| 189 | CAM-TAG Industries | 45 | |
| 190 | Autoskill Inerternational Inc. | 45 | |
| 191 | BelNet Communications Inc. | 45 | |
| 192 | Agere Systems | 45 | |
| 193 | Protus IP Solutions Inc | 44 | |
| 194 | Syndesis | 44 | |
| 195 | N-able Technologies | 42 | |
| 196 | Skywave Mobile Communications | 42 | |
| 197 | Zucotto Wireless Inc | 40 | |
| 198 | Zim Technologies International Incorporated | 40 | |
| 199 | Netricom,ADivisionofAxiaNetmedia | 40 | |
| 200 | EmpoweredNetworks | 40 | |
| 201 | GotMarketing Inc | 40 | |
| 202 | HI-QA Inc | 40 | |
| 203 | iMPath Networks Inc. | 40 | |
| 204 | InBusiness e-Service Group | 40 | |
| 205 | JetNet Internetworking Services Inc | 40 | |
| 206 | M.B. Foster Associates Limited | 40 | |
| 207 | MacadamianTechnologies | 40 | |
| 208 | OCM Technology Inc | 40 | |
| 209 | STMicroelectronics Inc | 40 | |
| 210 | Storm Internet Services | 40 | |
| 211 | TRM Technologies Inc | 40 | |
| 212 | Unisys | 40 | |
| 213 | VMI Medical Inc. | 40 | |
| 214 | Activecard Canada | 40 | |
| 215 | ARC International | 40 | |
| 216 | BMT fleet Technology | 40 | |
| 217 | Maxim Technologies | 40 | |
| 218 | Business Objects Canada | 38 | |
| 219 | Analog Design Automation | 37 | |
| 220 | Precidia Technologies Inc | 36 | |
| 221 | IHS Solutions | 36 | |
| 222 | Dipix Technologies Inc. | 36 | |
| 223 | Excalibur Systems Ltd | 36 | |
| 224 | inGenius People | 35 | |
| 225 | Microzone Corp | 35 | |
| 226 | VCI Controls Inc | 35 | |
| 227 | Guildline Instruments Ltd | 35 | |
| 228 | Hypernetics Ltd | 35 | |
| 229 | Iridian Spectral Technologies | 35 | |
| 230 | LucentTechnologiesCanada | 35 | |
| 231 | Nemko Canada Inc | 35 | |
| 232 | PCI Geomatics | 35 | |
| 233 | Imageware Systems ID Group | 35 | |
| 234 | EDUCOM TS Inc. | 35 | |
| 235 | UPE Canada | 35 | |
| 236 | Deepmetrix Corp | 35 | |
| 237 | ForeFront Information Strategies Group, Inc | 34 | |
| 238 | ePALS Classroom Exchange | 33 | |
| 239 | BTI Photonics Inc. | 32 | |
| 240 | Armstrong Monitoring Corp. | 32 | |
| 241 | Seaway Networks Inc. | 32 | |
| 242 | webHancer Corporation | 30 | |
| 243 | RCM Technologies | 30 | |
| 244 | Eurocom Corporation | 30 | |
| 245 | TrueArc | 30 | |
| 246 | Atlantis Scientific Inc. | 30 | |
| 247 | BitHeads, Inc. | 30 | |
| 248 | Cloakware Corporation | 30 | |
| 249 | KLOCwork Inc. | 30 | |
| 250 | NorpakCorporation | 30 | |
| 251 | Oeome.com Corporation | 30 | |
| 252 | OmniMarkTechnologiesCorp | 30 | |
| 253 | Spotwave Wireless | 30 | |
| 254 | Telemus Inc | 30 | |
| 255 | Vitana Corporation | 30 | |
| 256 | Wilcom Systems | 30 | |
| 257 | Galazar Networks | 30 | |
| 258 | CMP Design | 30 | |
| 259 | InnoVision Consulting Inc | 30 | |
| 260 | impatica.com inc | 30 | |
| 261 | Altera Ottawa Technology Center | 30 | |
| 262 | Core Software Corporation | 30 | |
| 263 | Avnet Computer Marketing | 30 | |
| 264 | Compugen | 30 | |
| 265 | cs-live.com Inc | 30 | |
| 266 | Getronics Canada Inc. | 30 | |
| 267 | Orchestream Canada Corporation | 30 | |
| 268 | Cogency Semiconductor Inc | 28 | |
| 269 | SourceWorks Consulting Inc | 28 | |
| 270 | Corporate Renaissance Group | 28 | |
| 271 | Northlands Systems Training Inc. | 28 | |
| 272 | Global IQX | 27 | |
| 273 | Fidus Systems Inc. | 27 | |
| 274 | B.J. Giles & Associates Ltd. | 26 | |
| 275 | Comtest Instruments Ltd. | 26 | |
| 276 | EMCON Emanation Control Ltd | 26 | |
| 277 | Adherex Technologies Inc. | 26 | |
| 278 | Lantern Communications Canada | 25 | |
| 279 | Time ICR Inc | 25 | |
| 280 | Arimtec International Inc. | 25 | |
| 281 | Bridgetech Systems Inc. | 25 | |
| 282 | Coast Software Inc. | 25 | |
| 283 | Coredal Systems Consulting Inc. | 25 | |
| 284 | Crossdraw | 25 | |
| 285 | Ensyn Technologies Inc. | 25 | |
| 286 | Eyeball Networks | 25 | |
| 287 | IS2 Research Inc | 25 | |
| 288 | OnX Incorporated | 25 | |
| 289 | OTAL Precision Company | 25 | |
| 290 | Quatrosense Environmental Ltd | 25 | |
| 291 | Pronexus Inc | 25 | |
| 292 | polentia Telecom Power | 24 | |
| 293 | Routes AstroEngineering | 24 | |
| 294 | TASKE Technology | 24 | |
| 295 | Dynasty | 24 | |
| 296 | Tarian Software | 24 | |
| 297 | ByteQuest Technologies Inc. | 22 | |
| 298 | eManageInc | 22 | |
| 299 | Fifth Dimension TechnologiesInc | 22 | |
| 300 | intrinsics | 22 | |
| 301 | Prospectus Group Inc | 22 | |
| 302 | workCentral CSI | 22 | |
| 303 | Rewind Technologies | 21 | |
| 304 | T-Base Communications Inc | 21 | |
| 305 | Killdara Corp | 21 | |
| 306 | Blackline Systems Corp. | 20 | |
| 307 | Marketware Corporation | 20 | |
| 308 | Blueair network Inc. | 20 | |
| 309 | CompEngServ Ltd. | 20 | |
| 310 | EMC Corporation | 20 | |
| 311 | Entigy Ltd. | 20 | |
| 312 | I4design | 20 | |
| 313 | Knowledgelinx Corporation | 20 | |
| 314 | Norlands Science & Engineering | 20 | |
| 315 | Optotek Ltd | 20 | |
| 316 | Presentey Engineering Products Ltd. | 20 | |
| 317 | TeraMach Technologies, Inc | 20 | |
| 318 | ADEMCO Video | 20 | |
| 319 | Tilcon Software Ltd | 20 | |
| 320 | AmikaNow! Corporation | 20 | |
| 321 | Natural Convergence Inc. | 20 | |
| 322 | ObjectWorld Inc. | 20 | |
| 323 | The IT Department, Inc | 19 | |
| 324 | Synopsis Inc. | 19 | |
| 325 | Zentra | 19 | |
| 326 | Information Gateway Services | 18 | |
| 327 | Med2020 Healthcare Software Inc | 18 | |
| 328 | Secure Technologies International Inc. | 18 | |
| 329 | Effective Immediately Inc. | 18 | |
| 330 | Mevex Corporation | 18 | |
| 331 | C-Com Satellite Systems Inc. | 18 | |
| 332 | 800America.com | 18 | |
| 333 | Huber & Suhner Canada | 17 | |
| 334 | GBS Communications Inc. | 17 | |
| 335 | Parts Logistics Management Corp | 17 | |
| 336 | Aegera Oncology Inc. | 16 | |
| 337 | Buystream Inc. | 16 | |
| 338 | Elytra Enterprises Inc. | 16 | |
| 339 | MicroWorks | 16 | |
| 340 | Menova Engineering Inc | 16 | |
| 341 | Binomial International Inc. | 16 | |
| 342 | IP Unwired Inc. | 16 | |
| 343 | Vision Circuit Technologies Inc. | 16 | |
| 344 | Advanced Laser&Fusion Technology Inc. | 15 | |
| 345 | D.E. Systems Ltd. | 15 | |
| 346 | Noetix Research Inc | 15 | |
| 347 | Amdahl Canada Ltd. | 15 | |
| 348 | Applied AI Systems Inc. | 15 | |
| 349 | APREL Laboratories | 15 | |
| 350 | Burntsand Inc. | 15 | |
| 351 | Canadian Dataplex Ltd. | 15 | |
| 352 | Hub Computer Consulting Inc | 15 | |
| 353 | Imatics Inc. | 15 | |
| 354 | intoinfo Inc | 15 | |
| 355 | Kago-Network Security Solutions | 15 | |
| 356 | Level Platforms Inc | 15 | |
| 357 | MAINSOURCE Software Corporation | 15 | |
| 358 | Maple Optical Systems | 15 | |
| 359 | Marmah Magnetics Inc | 15 | |
| 360 | NCL Calibration Laboratories | 15 | |
| 361 | NewSun Technologie Inc | 15 | |
| 362 | Peleton Photonic Systems Inc. | 15 | |
| 363 | QTECH Hybrid Systems Inc | 15 | |
| 364 | Trytel Internet | 15 | |
| 365 | Centerpoint Technologies Inc. | 15 | |
| 366 | ZivexTechnologySolutionsInc | 15 | |
| 367 | Paracel Labratories Ltd. | 15 | |
| 368 | 4test | 15 | |
| 369 | PrairieFyre SoftwareI nc | 15 | |
| 370 | Cybersafe | 15 | |
| 371 | Miceguy Web | 15 | |
| 372 | Meridian Scientific Services | 14 | |
| 373 | SofTV.net Inc. | 14 | |
| 374 | Square Peg Communications Inc (SPCI) | 14 | |
| 375 | Synercard Corp | 14 | |
| 376 | SyntapaTechnologies | 14 | |
| 377 | United Ventures Canada | 14 | |
| 378 | Workshift.com | 14 | |
| 379 | Xenos Laboratories Inc | 14 | |
| 380 | Xstream Software, Inc | 14 | |
| 381 | OTG The Ottawa Telephony Group Inc | 14 | |
| 382 | Cold North Wind | 14 | |
| 383 | Thomson & Nielsen Electronics Ltd | 13 | |
| 384 | Datajungle Corp. | 13 | |
| 385 | Goodcontacts | 13 | |
| 386 | Flexus Electronics | 12 | |
| 387 | RamiusCorporation | 12 | |
| 388 | Accutech | 12 | |
| 389 | ARRAY Development Inc. | 12 | |
| 390 | C-Latitude Ltd. | 12 | |
| 391 | CRYPTOCard Corp. | 12 | |
| 392 | ICHU Intranet Learning Inc | 12 | |
| 393 | Maranova Resources Corporation | 12 | |
| 394 | Media-XSystemsInc | 12 | |
| 395 | Orion Cybernetics | 12 | |
| 396 | Richard Brancker Research | 12 | |
| 397 | SageData Solutions ,Inc | 12 | |
| 398 | Sybase Canada Ltd. | 12 | |
| 399 | VisionSphere Technologies | 12 |