| Physicians & Surgeons in West Islip, NY (81) | New House Construction Contractor in West Islip, NY (22) |
| Physicians Office in West Islip, NY (19) | Restaurants in West Islip, NY (19) |
| Real Estate in West Islip, NY (18) | Dentists in West Islip, NY (16) |
| Physicians in West Islip, NY (14) | Real Estate Agent in West Islip, NY (12) |
| Schools in West Islip, NY (12) | Automobile Repairing & Service in West Islip, NY (11) |
| Beauty Salons in West Islip, NY (11) | Insurance in West Islip, NY (11) |
| General Contractors in West Islip, NY (10) | Attorneys & Lawyers in West Islip, NY (9) |
| Real Estate Agent Construction in West Islip, NY (9) | Service Stations - Gasoline & Oil in West Islip, NY (9) |
| House Construction Contractors in West Islip, NY (8) | Trade Contractor in West Islip, NY (8) |
| Cleaners in West Islip, NY (7) | Delis & Delicatessens in West Islip, NY (7) |
| Automobile Dealers - New Cars in West Islip, NY (6) | Automobile Dealers - Used Cars in West Islip, NY (6) |
| Automotive Repair & Service in West Islip, NY (6) | Chiropractors in West Islip, NY (6) |
| Electrical Contractor in West Islip, NY (6) | General Contractor in West Islip, NY (6) |
| Home Contractor in West Islip, NY (6) | Landscape Contractors in West Islip, NY (6) |
| Locks & Locksmiths in West Islip, NY (6) | Physicians & Doctors in West Islip, NY (6) |
| Plumbing Heating AC Contractor in West Islip, NY (6) | Barbers in West Islip, NY (5) |
| Carpentry Contractor in West Islip, NY (5) | Child Care Service in West Islip, NY (5) |
| Health Clubs Studios & Gymnasiums in West Islip, NY (5) | Heating Contractors in West Islip, NY (5) |
| Insurance Agent Broker in West Islip, NY (5) | Landscape Services in West Islip, NY (5) |
| Lawn Garden Services Landscape Services in West Islip, NY (5) | Plumbing Contractors & Plumbers in West Islip, NY (5) |
| Podiatrists in West Islip, NY (5) | Accountants in West Islip, NY (4) |
| Automobile Body - Repairing & Painting in West Islip, NY (4) | Beauty Shop in West Islip, NY (4) |
| Churches in West Islip, NY (4) | Docks (Builders) in West Islip, NY (4) |
| Elementary Secondary School in West Islip, NY (4) | Flooring Contractor & Furniture in West Islip, NY (4) |
| Florists - Retail in West Islip, NY (4) | Heating A C Ventilation Adjustment in West Islip, NY (4) |
| Insurance - Inspection & Audits in West Islip, NY (4) | Oils - Fuel (Wholesale) in West Islip, NY (4) |
| Painting Contractors in West Islip, NY (4) | Real Estate Loans in West Islip, NY (4) |
| Tanning Salons in West Islip, NY (4) | Tree Service in West Islip, NY (4) |
| Architects in West Islip, NY (3) | Automobile Parts & Supplies - Retail - New in West Islip, NY (3) |
| Bakers - Retail in West Islip, NY (3) | Banks in West Islip, NY (3) |
| Carpet & Rug Cleaners in West Islip, NY (3) | Carpet & Rug Dealers - New in West Islip, NY (3) |
| Clergy in West Islip, NY (3) | Dancing Instruction in West Islip, NY (3) |
| Dentists in West Islip, NY (3) | Electric Contractors in West Islip, NY (3) |
| Electrical Contractor in West Islip, NY (3) | Elementary Secondary School in West Islip, NY (3) |
| Entertainment Bureaus in West Islip, NY (3) | General Construction in West Islip, NY (3) |
| Gift Shops in West Islip, NY (3) | Janitor Service in West Islip, NY (3) |
| Legal Services in West Islip, NY (3) | Limousine Service in West Islip, NY (3) |
| Manicure & Nail Salons in West Islip, NY (3) | Mortgage Broker in West Islip, NY (3) |
| Pharmacies in West Islip, NY (3) | Recreation Centers in West Islip, NY (3) |
| Services in West Islip, NY (3) | Shopping Centers & Malls in West Islip, NY (3) |
| State Bank in West Islip, NY (3) | Veterinarians in West Islip, NY (3) |
| Air Conditioning Contractors & Systems in West Islip, NY (2) | Animal Services in West Islip, NY (2) |
| Apartments in West Islip, NY (2) | Bagels in West Islip, NY (2) |
| Bars in West Islip, NY (2) | Beauty Shop in West Islip, NY (2) |
| Burglar Alarm Systems (Wholesale) in West Islip, NY (2) | Business Consulting Contractor in West Islip, NY (2) |
| Business Management Consultants in West Islip, NY (2) | Car Washing & Polishing in West Islip, NY (2) |
| Caterers in West Islip, NY (2) | Cellular Telephones (Services) in West Islip, NY (2) |
| Contractors in West Islip, NY (2) | Dentists in West Islip, NY (2) |
| Dry Cleaning Plant in West Islip, NY (2) | Engineers in West Islip, NY (2) |
| Excavation Contractor in West Islip, NY (2) | Fencing Contractors in West Islip, NY (2) |
