| Limcan Walker Heating Service Experts - Radiant Heating |
| L & G Grocery & Variety - Variety Store |
| L & L Masonry - Masonry & Bricklaying Contractors |
| L A Upholstery & Custom Design - Antique Repairing & Restoring |
| L A Weight Loss Ont Ltd - Weight Control Services |
| L'attitudes - Beauty Salon |
| L'attitudes International I - Beauty Salon |
| La Drapery House - Home Furnishing Accessories |
| La Drapery House - Window Treatment Store |
| La Paloma Blanca Homoepathic Hea - Homeopathic Medicine |
| La Pizza & Pasta - Caterer |
| La Renaissance Catering - Banquet Facilities |
| La Senza Girl - Girls Apparel |
| La Vie En Rose - Lingerie Store |
| La Z Boy Gallery of Oshawa - Furniture Store |
| Label Shop Plus - Copying & Duplicating Services |
| Labelle Salon & Spa - Beauty Salon |
| Lack Realty Appraisers - Appraiser |
| Lacquer Works - Furniture Repairing, Refinishing & Restoring |
| Lafarge Canada Inc - Building Materials & Supls |
| Lafontaine Court Reporting - Court & Convention Reporters |
| Lafrance's Natural Therapy Clinic - Health & Diet Food Products |
| Laing & Rohr Chartered Accountants - Accountants Public |
| Lake Vista Park Assn - Associations Societies & Foundations |
| Lake Vista Dental - Dentist |
| Lakefront Tire & Auto Centre - Auto Repair Shop |
| Lakeridge Chiropractic & Wellness Clin - Physicians & Surgeons Chiropractic |
| Lakeridge Co Operative Housing Federat - Co-Operative Organizations |
| Lancaster Ken Barr - Lawyer |
| Langstaff Auto Sales - Auto Dealers Used Cars |
| Lanmark Systems - Computers Networks |
| Larry's Auto Trim & Glass - Auto Seat Covers Tops & Upholstery Services |
| Laser Print - Printers Services |
| Laser Quest - Amusement Places |
| Laskowsky & Laskowsky - Lawyer |
| Lasting Expressions Floral Designs - Florist |
| Lau-Jens Catering - Bakers |
| Laura - Clothes & Accessories Women |
| Laura Secord Inc - Chocolate & Cocoa |
| Laura's Hair Design - Hairstylists |
| Laurel Style Inc - Clothes & Accessories Women |
| Law's Bookkeeping Services - Bookkeeping Service |
| Lawn Master - Weed Control Service |
| Lazare Jordon Dr - Dentist |
| Le Chateau Store - Clothes & Accessories Women |
| Le Groupe Dynamite Boutique Inc - Clothes & Accessories Women |
| Leanne's Nails - Manicures & Pedicures |
| Lebry Industries Inv - Machine Shops Cnc Machining |
| Lee J Motors - Auto Dealers Used Cars |
| Lee T Optometrist - Physicians & Surgeons Optometrists |
| Les Brown Excavating Ltd. - Excavating Contractor |
| La Marca Salon & Barber - Hair Salon |
| Legacy Films Canada - Motion Picture Producers & Studios |
| Legal Aid Ontario - Lawyer |
| Leisure Bowling Lanes Ltd - Bowling Alley |
| LensCrafters - Eye Care Center |
| Leo P Optomtrst - Physicians & Surgeons Optometrists |
| Leroys Audio - Television Sales & Service |
| Les Lucioles Inc - Child Care Service |
| Leshey'z Fine Catering - Caterer |
| Leukemia & Lymphoma Society of Cana - Foundations Educational Philanthropic Research |
| Lewiscraft - Arts & Crafts Supls |
| Lewiscraft - Arts & Crafts Supls |
| Liberal Party Oshawa Federal & Provi - Government Offices Federal |
| Liberty Tax Service - Tax Preparation |
| Liberty Tax Service - Tax Preparation |
| Libraries - Government Office |
| Libraries - Government Office |
| Libraries - Government Office |
| Licences and Permits - Government Office |
| Licences and Permits Continued - Government Office |
| Lifestyle Originals Inc - Gift Wares Wholesale & Mfrs |
| Lighting Plus - Interior Decorators & Designers |
| Lily Optical - Eye Care Center |
| Limcan Heating & Air Conditioning - Air Conditioning Contractor |
| Limo City - Limousine Service |
| Limos by Tracy - Limousine Service |
| Lindor Ltd - Clothes & Accessories Women |
| Line King The - Telephones Equip & Systems Wiring & Installation |
| Line Photo - Photo Finishing Consumers |
| Line-X Durham - Campers, Camper Shells & Pickup Canopies |
| Linfraron Storage & Services Inc - Recreational Vehicles & Camper Storage |
| Link Associates - Insurance-Life Health & Travel |
| Lions Club of North Oshawa - Associations, Clubs, & Organizations |
| Liquidation World - Discount Store |
| Liquor Control Board of Ontario - Liquor Retail |
| Liquor Control Board of Ontario - Liquor Control Systems |
| Liquor Control Board of Ontario - Liquor Retail |
| Liquor Control Board of Ontario - Liquor Control Systems |
| Liquor Control Board of Ontario - Liquor Retail |
| Liquor Control Board of Ontario - Liquor Retail |
| Liquor Control Board of Ontario - Liquor Retail |
| Lisa's Beauty Salon - Beauty Salon |
| Literacy Council of Durham Region - Literacy Schools |
| Literacy Network of Durham Region T - Educational & Learning Centers |
| Little Ark Day Care - Child Care Service |
| Little Caesars - Pizza Restaurant |
| Little Caesars Pizza - Pizza Restaurant |
| Little Feet Fitness & Fun for Tots - Childrens Services & Activities Information |
| Little Red Rooster Restaurant - Restaurant |
| Liu's Acupuncture - Acupuncture & Acupressure |
| Lloyd Pest Control Service - Pest Control Service |
| Loblaws Supermarkets Limited - Florist |
| Local-Trading - Newspapers Mfrs |
| London Shoe - Shoes Wholesale & Mfrs |
| Lone Wolf Software - Computers Software |
| Long & McQuade - Music Instruction Instrumental |
| Long Term Care - Government Office |
| Long Term Care - Government Office |
| Longhorn Custom Bodyart - Body Art & Piercing |
| Leo Wong's Tae Kwon-Do & Krav Maga - Self Defense School |
| Lakeridge Health - Hospital |
| Lori's Hearts & Flowers - Balloons & Helium |
| Lothian Automotive Inc - Auto Repair Shop |
| Lott R Well Cleaning - Water Well Drilling & Service |
| Louie & May Family Restaurant - Restaurant |
| Love & Spoonful Ltd - Ice Cream & Frozen Desserts |
| Lovell Drugs Ltd - Pharmacy |
| Lovell Drugs Ltd - Pharmacy |
| Lovell Drugs Ltd - Pharmacy |
| Lovell Drugs Ltd - Pharmacy |
| Lovell Drugs Ltd - Pharmacy |
| Loving Comfort Bed & Bath - Bath Tubs & Sinks Repair & Refinishing |
| Loyal Order of Moose Oshawa Lodge - Associations, Clubs, & Organizations |
| Loyst Alison Reg'd Therpst - Massage Therapists Certified And/Or Registered |
| Lucky Restaurant - Restaurant |
| Lucy's Dry Cleaning & Alterations - Cleaners |
| Luczak Dm Dr Dent - Dentist |
| Lue J Dr Optomtrst - Physicians & Surgeons Optometrists |
| Lui's Auto Garage - Garages Auto Repairing |
| Luigi's Furniture Ltd - Furniture |
| Luke's Windows & Doors - Doors & Windows |
| Lunch Lady - Caterer |
| Lung Association - Associations Societies & Foundations |
| Lysyk Anthony G Chirprctr - Massage Therapists Certified And/Or Registered |
| Lysyk George Dr Dent - Dentist |
| Lanet Solutions - Cable Conduit & Pole Contractors |
| Long & Mcquade - Musical Instrument Store Musical Instrument Repair |
| Linda Porritt, Century 21 Infinity Realty Inc - Real Estate Agents |
| LPC - Personal Injury Lawyer Oshawa - Legal Services |
| Little Caesars - Pizza Restaurant |
| Lakeridge Denture Clinic - Denture Care Center |
| lululemon - Sportswear Store |
| Lack Realty Appraisers - Jewelry Appraiser |
| Lowe's Home Improvement - Home Improvement Store |
| Lawn Care With Jay - Lawn Care Service |
| Logik Roofing And Insulation - Roofing Contractor |
| L.M Contracting - Contractor |
| Lets Talk Trash - Waste Management Service |
| Laura - Clothing Store |
| Long & McQuade Musical Instruments - Musical Instrument Store |
| LendDirect - Loan Agency |
| Little Burgundy - Shoe Store |
| Lindt Chocolate Shop - Chocolate Shop |
| Lakeridge Electrical Services - Electrician |
| Lakeridge Health - Hospital |
| Lisa Joy MacDonald - Real Estate Agents |
| Liberty Tax Service - Tax Preparation |
| La Quinta Inn & Suites Oshawa - Hostel |