| 6391 | Canada | Klis Electric | Sundre, Alberta | +1 403 6386074 | https://kliselectric.com | | |
| 6392 | Canada | Knight Plumbing, Heating and Air Conditioning | 201-10861, 50 Street, SE Calgary, AB, T2C 3E5 | +1 403 2878980 | https://www.knightplumbing.ca | | |
| 6393 | Canada | Kootenay Solar Corp | 1218 13th St, Invermere, BC, V0A 1K0 | +1 250 2700007 | www.kootenaysolarpower.com | | |
| 6394 | Canada | Krueger Electric Ltd. | 100 - 1027 Trench Place Kelowna, BC V1Y 9Y4 | +1 250 8603905 | https://www.kruegerelectric.com | | |
| 6395 | Canada | Kuby Renewable Energy Ltd. | 14505 114 Ave NW, Edmonton, AB T5M 2Y8 | +1 780 3405829 | kubyenergy.ca | | |
| 6396 | Canada | Kustom Projects | Calgary, AB | +1 403 9785833 | www.designitelectric.com | | |
| 6397 | Canada | KVA Electrical Systems Ltd. | Toronto, Ontario | +1 905 6694584 | https://kvaelectric.ca | | |
| 6398 | Canada | KW Electric | 820 Ivanhoe Avenue, Ottawa, Ontario K2B-5S3 | +1 613 2235858 | https://www.kw-electric.com | | |
| 6399 | Canada | Lakeshore Power Systems | St. Thomas, ON | +1 519 4882490 | lakeshorepowersystems.com | Morningstar Corporation, OutBack Power, Xantrex Technology Inc, Fronius International GmbH, Go Power!, Magnum Energy, Inc., Enphase Energy, Inc., ABB Italy S.p.A., SolarEdge Technologies, Ltd., Schneider Electric SA, Kisae Technology Inc. | |
| 6400 | Canada | Lakeside Electrical | 10 Albert St. East Unit 105D, Thorold, ON L2V 1P1 | +1 905 9346241 | www.electricls.com | | |
| 6401 | Canada | Lancer Electric | 510 Bethune Street, Peterborough, ON K9H 3Z3 | +1 705 7484505 | lancerelectric.ca | | |
| 6402 | Canada | Landmark Solar Productions Inc. | 9765 54 Ave, Edmonton, AB T6E 5J4 | +1 780 4365959 | landmarkhomes.ca | | |
| 6403 | Canada | Langstaff & Sloan Inc. | 6-300 New Toronto Street, Toronto, Ontario, M8V 2E8 | +1 416 5032033 | https://langstaffandsloan.com | | |
| 6404 | Canada | LD Electrical Ltd | Mississauga, ON, L4Y 2H8 | +1 416 4284884 | ldelectricalltd.com | | |
| 6405 | Canada | Lean & Green Electrical Ltd. | | +1 780 2006872 | www.leanandgreen.ca | | |
| 6406 | Canada | Leduc Electrical Contracting | 306-178 Bridgeport Blvd | +1 587 8011440 | www.leducelectricalcontracting.com | | |
| 6407 | Canada | Lexand Electric | P.O. Box 52089, Edmonton, AB, T6G 2T5 | +1 780 4626050 | https://www.lexandelectric.com | | |
| 6408 | Canada | LH Solar Inc | 155 Shields Ct., Markham, ON L3R 9T5 | +1 289 8595011 | https://www.lhsolar.ca | | |
| 6409 | Canada | Liveoffgrid.ca | Timmins, ON | +1 705 3650018 | liveoffgrid.ca | | |
| 6410 | Canada | Living Skies Solar | 70-4019 Aronec Ave, Saskatoon, SK S7P 0E1 | +1 306 2418599 | https://www.livingskiessolar.com | | |
| 6411 | Canada | Living Sol Building and Design | 480 Doyle Mountain Road, RR 4 , Killaloe, Ontario, Canada, K0J 2A0 | +1 613 7563884 | www.livingsol.com | | |
| 6412 | Canada | Le groupe LML | 360, Boulevard du Séminaire Nord, Local 22, Saint-Jean-sur-Richelieu, Quebec J3B 5L1 | +1 450 3471996 | www.groupelml.ca | | |
| 6413 | Canada | Logitest Solar Inc. | | +1 888 3824779 | www.logitestsolar.ca | | |
| 6414 | Canada | Lowther Electric | 11642 115th Street, Osoyoos, BC V0H 1V5 | +1 250 4959445 | www.lowtherelectric.com | | |
| 6415 | Canada | Luc Charles Electrical Ltd. | 687 Drive in Rd. Sturgeon Falls, On. | +1 705 4989335 | www.luccharles.ca | | |
| 6416 | Canada | Lucas Contracting | 2013 Prince of Wales Drive, Ottawa, ON K2C 3J7 | +1 613 9135539 | lucascontracting.ca | | |
| 6417 | Canada | Light Up The World | PO Box 16039 Lower Mount Royal, Calgary, AB T2T 5H7 | +1 403 2665004 | lutw.org | | |
| 6418 | Canada | M. Sullivan & Son Limited | 236 Madawaska Blvd, Suite 100 Arnprior, Ontario, K7S 0A3 | +1 613 6236584 | https://www.sullivan.ca | | |
| 6419 | Canada | M.B. Eye Electrical | 60 St. Peters Road, Charlottetown, PEI C1A 5N5 | +1 902 8928839 | mbeyeelectrical.com | | |
| 6420 | Canada | M.P. Electric | Brooklyn Corner, Nova Scotia | +1 902 6987070 | https://www.mpelectricsolar.com | | |