| Ballasts |
| Advance Transformers Co. | Ontario | Atlantic | |
| Bodine (Fluorescent Emergency Lighting) | Ontario | Atlantic | |
| GE Lighting | | Atlantic | |
| Holophane | Ontario | Atlantic | |
| Lutron Electronics Co. Inc. | Ontario | Atlantic | West |
| Universal Lighting Technologies | Ontario | Atlantic | West |
| Venture Lighting International Inc. | Ontario | Atlantic | West |
| Canopy & Sign Lighting |
| HTM Lighting | | Atlantic | |
| Pappi Lighting Ltd. | Ontario | Atlantic | |
| RAB Design | | Atlantic | |
| Solera | | Atlantic | |
| TMS Lighting | | Atlantic | |
| Decorative |
| Beta Calco | | Atlantic | |
| Canarm Ltd. | Ontario | Atlantic | West |
| Contrast Lighting | | Atlantic | |
| Cooper Lighting | | Atlantic | |
| Eureka Lighting | | Atlantic | |
| Galaxy Lighting | | Atlantic | |
| Hanover Lantern Inc. | Ontario | Atlantic | |
| Kichler | Ontario | Atlantic | |
| LBL Lighting | | Atlantic | |
| Liteline Corporation | Ontario | Atlantic | |
| MP Lighting | Ontario | Atlantic | |
| Pace Illumination Corp. | Ontario | Atlantic | |
| Progress Lighting | Ontario | Atlantic | West |
| Quorum International | Ontario | Atlantic | |
| Seagull Lighting | | Atlantic | |
| Selux Corporation | Ontario | Atlantic | |
| Sistemalux | | Atlantic | |
| Studio Luce | | Atlantic | |
| Toronto Metal Spinning | Ontario | Atlantic | |
| Winona Lighting | | Atlantic | |
| Emergency Lighting |
| Aimlite | | Atlantic | |
| Edwards | Ontario | Atlantic | West |
Emergi Lite | Ontario | Atlantic | West |
| Ready-Lite | | Atlantic | |
| Stanpro | | Atlantic | |
| Fiber Optics |
| B.L. Innovative Lighting | Ontario | | |
| Magic Lite Ltd. | Ontario | Atlantic | |
| Nexxus Lighting | Ontario | Atlantic | |
| Fixtures (Architectural) |
Access Lighting | | Atlantic | |
| Alkco Lighting | Ontario | Atlantic | |
| Aluminous | | Atlantic | |
American Nail Plate | | Atlantic | |
Antique Street Lamps | | Atlantic | |
| Artcraft Lighting | Ontario | Atlantic | |
| Artemide Canada Ltd. | Ontario | Atlantic | |
| Axis Lighting Inc. | Ontario | | |
| B.K. Lighting | Ontario | Atlantic | |
| Bega | Ontario | Atlantic | |
| Belfer Lighting | Ontario | Atlantic | |
Con-Tech Lighting | | Atlantic | |
| Cooper Lighting | Ontario | Atlantic | West |
| Dals Lighting | | Atlantic | |
| Eureka | Ontario | Atlantic | |
| EuroLite USA | Ontario | Atlantic | |
| Foresight | | Atlantic | |
| FC Lighting Mfg. Inc. | Ontario | Atlantic | |
| Focal Point | | Atlantic | |
Gotham Lighting | | Atlantic | |
| Greenlee/Textron | Ontario | Atlantic | |
Hanover | | Atlantic | |
Hemera Lighting | | Atlantic | |
Hydrel | | Atlantic | |
| Intrepid Lighting Manufacturing Inc. | Ontario | | |
| Kichler | | Atlantic | |
| Ledalite | Ontario | Atlantic | |
| Lighting Services Inc. | Ontario | Atlantic | |
| Lite Control Corp. | Ontario | Atlantic | |
| Lite Energy | Ontario | Atlantic | |
| Liteline Corporation | | Atlantic | |
| Lithonia Lighting | Ontario | Atlantic | |
Luminis | | Atlantic | West |
Mark Architectural | | Atlantic | |
| Magic Lite Ltd. | | Atlantic | |
| MP Lighting | | Atlantic | |
| Noral Lighting Inc. | Ontario | Atlantic | |
| Pace Illumination Corp. | | Atlantic | |
| Peerless Lighting | Ontario | Atlantic | West |
| Premier Lighting | | Atlantic | |
| Prisma Architectural Lighting | Ontario | Atlantic | |
| Progress Lighting | | Atlantic | West |
| Quality Lighting Pace Illumination Corp. | Ontario | | |
| Selux Corporation | | Atlantic | |
| Seagull Lighting | | Atlantic | |
| SPI Lighting Inc. - Advent | Ontario | Atlantic | West |
| Tech Lighting | | Atlantic | |
| Teron | | Atlantic | |
| Thomas Lighting Inc. | Ontario | Atlantic | |
| USA Architectural/Sunvalley | | Atlantic | |
| Visa Lighting | Ontario | Atlantic | |
| Winona Lighting Inc. | Ontario | Atlantic | West |
| Zumtobel/Staff Lighting Inc. | Ontario | Atlantic | |
| Fixtures (Commercial) |
| American Louver Company | Ontario | Atlantic | |
| Baghelli | | Atlantic | |
| Broan/Nutone Canada Inc. | Ontario | Atlantic | West |
| Cooper Lighting | | Atlantic | West |
| Diversified Architectural Lighting | Ontario | Atlantic | |
| Elliptipar | Ontario | Atlantic | |
| Foresight Lighting | | Atlantic | |
| Holophane | | Atlantic | |
| Lithonia Lighting | | Atlantic | |
| Lumec Inc. | Ontario | | West |
| Luxo Lamp Corporation | Ontario | | |
| Metalumen Mfg. Inc. | Ontario | | |
| MP Lighting | | Atlantic | |
| Nutone | Ontario | Atlantic | West |
Pace Illumination Corp. | | Atlantic | |
RAB Design Lighting | Ontario | Atlantic | West |
| Speclight | | Atlantic | |
| SPI Lighting Inc. | Ontario | Atlantic | West |
Stanpro Lighting | | Atlantic | |
| Strand Lighting Canada Inc. | Ontario | Atlantic | |
Vantage Luminaires | | Atlantic | |
| Vista Lighting | Ontario | Atlantic | |
| Fixtures (Industrial) |
| Canlet | Ontario | Atlantic | West |
| Cooper Crouse-Hinds | Ontario | Atlantic | West |
| Guth Lighting | Ontario | Atlantic | |
| Holophane | | Atlantic | |
| Lithonia Lighting | | Atlantic | |
| N.R.L. Lighting Products | Ontario | | |
| Pauluhn Electric Manufacturing. LLP. | Ontario | | |
| Phoenix Lighting | Ontario | Atlantic | West |
| Thomas & Betts | Ontario | Atlantic | |
| Waldmann Lighting Company | Ontario | Atlantic | |
| Hazardous |
| Chalmit Lighting | Ontario | Atlantic | |
| Cooper Crouse-Hinds | | Atlantic | West |
| Glamox International AS | Ontario | Atlantic | |
| Holophane | | Atlantic | |
| Hubbell - Killark | Ontario | Atlantic | |
| LDPI | | Atlantic | West |
| Lithonia Lighting | | Atlantic | |
| Orga Aviation Lighting | Ontario | | |
| Rig-A-Lite | Ontario | Atlantic | West |
| Thomas & Betts - Hazlux | Ontario | Atlantic | |
| Tranberg AS | Ontario | Atlantic | |
| Lamps |
| G.E. Lamps | Ontario | Atlantic | West |
| Standard Products Inc. | Ontario | Atlantic | West |
| TCP | | Atlantic | |
| Venture Lighting International Inc. | | Atlantic | West |
| LED's |
| Cooper Lighting | | Atlantic | |
| Cree | | Atlantic | |
| GE Lighting Solutions | | Atlantic | |
| Holophane | | Atlantic | |
| Intense Lighting | | Atlantic | |
| Liteline | | Atlantic | |
| Lithonia Lighting | | Atlantic | |
| Lumenpulse | | Atlantic | |
| Magiclite | | Atlantic | |
| Peachtree | | Atlantic | |
| Revlite Technologies | | Atlantic | |
| RUUD Lighting | | Atlantic | |
| TCP | | Atlantic | |
| Lighting Controls |
| Douglas Lighting Controls Inc. | Ontario | Atlantic | West |
| G.E. Lighting | | Atlantic | West |
| Hubbell | | Atlantic | |
| Lutron Electronics Co. Inc. | | Atlantic | West |
| Sensor Switch | | Atlantic | |
| The Watt Stopper Inc. | Ontario | Atlantic | West |
| Niche |
| Cyclone Lighting Inc. | | Atlantic | |
| Dynapole | | Atlantic | |
| Hanover Lantern Inc. | | Atlantic | |
| Heritage Casting & Ironworks Ltd. | | Atlantic | |
| King Luminaire Co. Inc. | | Atlantic | |
| Musco Lighting Inc. | | Atlantic | |
| PLP Composite Technologies Inc. | | Atlantic | |
| Techni-Lite Systems | Ontario | Atlantic | |
| Poles & Lighting Standards |
| Aluminous | | Atlantic | |
| Cyclone Lighting Inc. | Ontario | Atlantic | |
| Dynapole | Ontario | Atlantic | |
| Gardco | | Atlantic | |
Hanover | | Atlantic | |
| Heritage Casting & Ironworks Ltd. | Ontario | | |
| King Luminaire Co. Inc. | Ontario | Atlantic | |
| Lumec | | Atlantic | |
| Musco Lighting Inc. | Ontario | Atlantic | |
| PLP Composite Technologies Inc. | Ontario | Atlantic | |
| Powco Steel Products Ltd. | Ontario | Atlantic | |
| Skycast | | Atlantic | |
Snoc | | Atlantic | |
| Sternberg Vintage Lighting | Ontario | Atlantic | |
| StressCrete Ltd. | Ontario | Atlantic | |
| Specialty |
Aimlite | | Atlantic | West |
| BetaCalco | | Atlantic | |
CD Lighting | | Atlantic | |
| Con-Tech Lighting | | Atlantic | |
Craftmetal Products | | Atlantic | |
Dainolite | | Atlantic | |
Esco Lighting | | Atlantic | |
EYE | | Atlantic | |
GVA Lighting | | Atlantic | |
HK Lighting | | Atlantic | |
I-Light Technologies | | Atlantic | |
Jefferson Lighting | | Atlantic | |
Light Resource | | Atlantic | |
Linear Lighting | | Atlantic | |
Mills Lighting | | Atlantic | |
New-Star | | Atlantic | |
Nutech Lighting | | Atlantic | |
| Peachtree | | Atlantic | |
Quattro | | Atlantic | |
Sistemalux | | Atlantic | |
Solera | | Atlantic | |
| Stanpro | | Atlantic | |
Studio Luce | | Atlantic | |
WAC Lighting | | Atlantic | West |