| Churches in Markham, IL (12) | Trucking in Markham, IL (6) |
| Automobile Repairing & Service in Markham, IL (5) | Wrecker Service & Towing in Markham, IL (4) |
| Child Care Service in Markham, IL (3) | Electric Contractors in Markham, IL (3) |
| Government Offices in Markham, IL (3) | Government Offices - County in Markham, IL (3) |
| Liquors - Retail in Markham, IL (3) | Restaurants in Markham, IL (3) |
| Roofing Contractors & Roofers in Markham, IL (3) | Air Conditioning Contractors & Systems in Markham, IL (2) |
| Bars in Markham, IL (2) | Beauty Salons in Markham, IL (2) |
| County Government - Courts in Markham, IL (2) | County Government - Public Health Programs in Markham, IL (2) |
| Demolition Contractors in Markham, IL (2) | General Contractors in Markham, IL (2) |
| Hotels & Motels in Markham, IL (2) | Insurance in Markham, IL (2) |
| Parking Area Lots Maintenance & Marking in Markham, IL (2) | Pest Control in Markham, IL (2) |
| Physicians & Surgeons in Markham, IL (2) | Plumbing Contractors & Plumbers in Markham, IL (2) |
| Retail Shops in Markham, IL (2) | Shoes - Retail in Markham, IL (2) |
| Transportation Consultants in Markham, IL (2) | Women's Apparel - Retail in Markham, IL (2) |
| Animals - Pest Trappers in Markham, IL (1) | Architects in Markham, IL (1) |
| Beer & Ale - Wholesale in Markham, IL (1) | Brake Service in Markham, IL (1) |
| Bus Lines in Markham, IL (1) | Buses - Charter & Rental in Markham, IL (1) |
| Caterers in Markham, IL (1) | Chairs & Tables - Renting in Markham, IL (1) |
| Check Cashing Service in Markham, IL (1) | City Government - Libraries in Markham, IL (1) |
| Clothing - Retail in Markham, IL (1) | Clowns in Markham, IL (1) |
| Concrete Contractors in Markham, IL (1) | Construction Management in Markham, IL (1) |
| Convenience Stores in Markham, IL (1) | Copying & Duplicating Machines & Supls in Markham, IL (1) |
| County Government - Executive Offices in Markham, IL (1) | County Government - Finance & Taxation in Markham, IL (1) |
| County Government - Legal Counsel in Markham, IL (1) | Craft Supplies in Markham, IL (1) |
| Department Stores in Markham, IL (1) | Employment Contractors - Temporary Help in Markham, IL (1) |
| Environmental & Ecological Services in Markham, IL (1) | Fence Contractors in Markham, IL (1) |
| Financial Advisory Services in Markham, IL (1) | Garbage Collection in Markham, IL (1) |
| Grocery - Retail in Markham, IL (1) | Guns & Gunsmiths in Markham, IL (1) |
| Hair Replacement in Markham, IL (1) | Health Care Instruction in Markham, IL (1) |
| Ice Cream Parlors in Markham, IL (1) | Investment Management in Markham, IL (1) |
| Junior Colleges & Technical Institutes in Markham, IL (1) | Lawn Mowers - Sharpening & Repairing in Markham, IL (1) |
| Libraries - Public in Markham, IL (1) | Linens - Retail in Markham, IL (1) |
| Loans in Markham, IL (1) | Locks & Locksmiths in Markham, IL (1) |
| Machine Shops in Markham, IL (1) | Meat - Wholesale in Markham, IL (1) |
| Men's Clothing & Furnishings - Retail in Markham, IL (1) | Motorcycles & Motor Scooters - Repair Service in Markham, IL (1) |
| Painters in Markham, IL (1) | Paving Contractors in Markham, IL (1) |
| Plumbing Fixtures & Supplies in Markham, IL (1) | Plumbing Fixtures & Supplies - Mfrs in Markham, IL (1) |
| Political Organizations in Markham, IL (1) | Printers in Markham, IL (1) |
| Probation Services in Markham, IL (1) | Real Estate in Markham, IL (1) |
| Real Estate - Rental Service in Markham, IL (1) | Refrigerators & Freezers - Service Repair in Markham, IL (1) |
| Roofing Equipment & Supplies (Wholesale) in Markham, IL (1) | Salvage & Surplus Merchandise in Markham, IL (1) |
| Schools in Markham, IL (1) | Senior Citizens Service in Markham, IL (1) |
| Senior Citizens Service Organizations in Markham, IL (1) | Service Stations - Gasoline & Oil in Markham, IL (1) |
| Shopping Centers & Malls in Markham, IL (1) | Siding Contractors in Markham, IL (1) |
| Social Service & Welfare Organizations in Markham, IL (1) | Sporting Goods - Retail in Markham, IL (1) |
| Television - Rental in Markham, IL (1) | Title Companies in Markham, IL (1) |
| Trailer Renting & Leasing in Markham, IL (1) | Travel Agencies & Bureaus in Markham, IL (1) |
| Tree Service in Markham, IL (1) | Truck - Washing & Cleaning in Markham, IL (1) |
| Trucking - Transportation Brokers in Markham, IL (1) | Venetian Blinds - Cleaning in Markham, IL (1) |
