| RADIATION SOLUTIONS INC | Mississauga | Ontario | L4Z 1X2 |
| GAMBLE TECHNOLOGIES LIMITED | Mississauga | Ontario | L5N 2M2 |
| IBM CANADA LIMITED/IBM CANADA LIMITEE | Markham | Ontario | L3R 9Z7 |
| TESTEQUITY HOLDING COMPANY | Thousand Oaks | California | |
| ELECTRO-METERS COMPANY LIMITED | Pickering | Ontario | L1W 2Y4 |
| ATI TECHNOLOGIES ULC | Thornhill | Ontario | L3T 7X6 |
| CORRPRO CANADA, INC. | Edmonton | Alberta | T5S 2A7 |
| NEWFOUNDLAND & LABRADOR HYDRO CORPORATION | St. John's | Newfoundland and Labrador | A1B 4K7 |
| SCHLUMBERGER WELL SERVICES | Calgary | Alberta | T2G 0P6 |
| AGILENT TECHNOLOGIES CANADA INC | Mississauga | Ontario | L5N 5M4 |
| KEYSIGHT TECHNOLOGIES CANADA INC. | Mississauga | Ontario | L5N 2M2 |
| RADIATION SAFETY INSTITUE OF CANADA /INSTITUT DE RADIOPROTECT | Toronto | Ontario | M5R 3S4 |
| AVO INTERNATIONAL | Markham | Ontario | L3R 6A8 |
| ACCULOGIC INC. | Markham | Ontario | L3R 5J6 |
| ACA TMETRIX INC | Mississauga | Ontario | L4Z 2G3 |
| INNOVATIVE TRAFFIC SOLUTIONS | Stoney Creek | Ontario | L8E 5P5 |
| QINETIQ TECHNOLOGY SOLUTIONS GROUP | Waltham | Massachusetts | |
| HEKA ELECTRONICS INCORPORATED | Chester | Nova Scotia | B0J 1J0 |
| SKYWORK SOLUTIONS | Ottawa | Ontario | K2K 3G8 |
| GE MULTILIN | Markham | Ontario | L6C 0M1 |
| EMPOWERED NETWORKS INC | Pickering | Ontario | L1V 7G5 |
| EATON INDUSTRIES (CANADA) COMPANY | Saint-Jean-sur-Richelieu | Quebec | J3B 3R4 |
| ADVANTEST AMERICA, INC. | Santa Clara | California | |
| HUMAN RESOURCES AND SOCIAL DEVELOPMENT CANADA | Gatineau | Quebec | K1A 0J9 |
| EPM TEST INCORPORATED | Ottawa | Ontario | K2H 9C1 |
| BELL CANADA | Montr | Quebec | H2Z 1S4 |
| BAKER HUGHES CANADA COMPANY | Calgary | Alberta | T2P 3C5 |
| BRITISH COLUMBIA HYDRO AND POWER AUTHORITY | Burnaby | British Columbia | V3N 4X8 |
| SNOWBUSH IP | Burlington | Ontario | L7L 5M4 |
| SPIRENT COMMUNICATIONS OF OTTAWA LTD | Ottawa | Ontario | K2V 1C7 |
| SIEMENS CANADA LIMITED/SIEMENS CANADA LIMITEE | Oakville | Ontario | L6H 0H6 |
| LES SYSTEMES INTERFAX INC. | Saint-Laurent | Quebec | H4S 1B6 |
| ATOMIC ENERGY OF CANADA LIMITED | Chalk River | Ontario | K0J 1J0 |
| FEDERAL EXPRESS CANADA LTD. | Mississauga | Ontario | L4W 5K6 |
| POWER MEASUREMENT LTD. | Saanichton | British Columbia | V8M 2A5 |
| FLUKE ELECTRONICS CANADA LP | Mississauga | Ontario | L4Z 1X9 |
| CRANE CANADA / BRANTFORD | Lasalle | Quebec | H8N 3E5 |
| ALSTOM POWER CANADA INC. | Ottawa | Ontario | K1J 9N2 |
| WEATHERFORD CANADA PARTNERSHIP | Edmonton | Alberta | T6P 1K1 |
| QUALCOMM CANADA INC. | Thornhill | Ontario | L3T 7W3 |
| ABRA ELECTRONICS CORPORATION | Saint-Laurent | Quebec | H4P 1A1 |
| ALCATEL-LUCENT CANADA INC. | Ottawa | Ontario | K2K 2T6 |
| TESTFORCE SYSTEMS INC / SYSTEMES TESTFORCE INC | Saint-Laurent | Quebec | H4S 1R7 |
| GAP WIRELESS INC. | Mississauga | Ontario | L5N 7X9 |
| ROHDE & SCHWARZ CANADA INC | Ottawa | Ontario | K2K 3C7 |
| BLACKBERRY LIMITED | Waterloo | Ontario | N2K 0A7 |
| JDS UNIPHASE INC. | Ottawa | Ontario | K2J 0P7 |
| PMC-SIERRA LTD. | Burnaby | British Columbia | V5A 4V7 |
| RADIODETECTION (CANADA) LTD | Concord | Ontario | L4K 4B7 |
| CANADAIR | Montr | Quebec | H3B 1Y8 |
| ERICSSON CANADA INC MISSISSAUGA | Mississauga | Ontario | L4W 5K4 |
| CANBERRA CO.LTD. | Concord | Ontario | L4K 4N8 |
| TEKTRONIX CANADA INC. | Mississauga | Ontario | L4Z 1X9 |
| TRS-RENTELCO INC. | Livermore | California | |
| NEWARK ELECTRONICS CANADA | Independence | Ohio | |
| ALTERA CANADA CO. | Halifax | Nova Scotia | B3J 3N2 |
| SIGE SEMICONDUCTOR CANADA | Ottawa | Ontario | K2H 8K7 |
| CELESTICA LLC | Merrimack | New Hampshire | |
| ANRITSU ELECTRONICS LTD. | Ottawa | Ontario | K2V 1C3 |
| CIENA CANADA, INC. | Ottawa | Ontario | K2L 2N2 |
| EXFO INC. | Vanier | Quebec | G1M 2K2 |
| ELECTRO RENT LLC | Mississauga | Ontario | L4Z 1T5 |