| Restaurants in Waltham, MA (95) | Attorneys & Lawyers in Waltham, MA (81) |
| Computer Software in Waltham, MA (76) | Real Estate in Waltham, MA (68) |
| Physicians & Surgeons in Waltham, MA (65) | Insurance in Waltham, MA (55) |
| General Contractors in Waltham, MA (46) | Beauty Salons in Waltham, MA (45) |
| Automobile Repairing & Service in Waltham, MA (38) | Business Management Consultants in Waltham, MA (33) |
| Electric Contractors in Waltham, MA (28) | Churches in Waltham, MA (27) |
| Dentists in Waltham, MA (26) | Associations in Waltham, MA (25) |
| Financial Advisory Services in Waltham, MA (25) | Printers in Waltham, MA (25) |
| Landscape Contractors in Waltham, MA (24) | Schools in Waltham, MA (24) |
| Accountants in Waltham, MA (23) | Apartments in Waltham, MA (20) |
| Real Estate Loans in Waltham, MA (20) | Employment Agencies & Opportunities in Waltham, MA (19) |
| Social Service & Welfare Organizations in Waltham, MA (19) | Financial Planning Consultants in Waltham, MA (18) |
| Marketing Programs & Services in Waltham, MA (18) | Real Estate Management in Waltham, MA (17) |
| Service Stations - Gasoline & Oil in Waltham, MA (17) | Child Care Service in Waltham, MA (16) |
| Consultants - Business in Waltham, MA (16) | Non - Profit Organizations in Waltham, MA (16) |
| Plumbing Contractors & Plumbers in Waltham, MA (16) | Automobile Body - Repairing & Painting in Waltham, MA (15) |
| Cleaners in Waltham, MA (15) | Computer & Equipment Dealers in Waltham, MA (15) |
| Convenience Stores in Waltham, MA (14) | Internet Service in Waltham, MA (14) |
| Machine Shops in Waltham, MA (14) | Computers - System Designers & Consultants in Waltham, MA (13) |
| Grocery - Retail in Waltham, MA (13) | Health Clubs Studios & Gymnasiums in Waltham, MA (13) |
| Limousine Service in Waltham, MA (13) | Pharmacies in Waltham, MA (13) |
| Air Conditioning Contractors & Systems in Waltham, MA (12) | Automobile Renting in Waltham, MA (12) |
| Banks in Waltham, MA (12) | Hotels & Motels in Waltham, MA (12) |
| Manicure & Nail Salons in Waltham, MA (12) | Liquors - Retail in Waltham, MA (11) |
| Mental Health Services in Waltham, MA (11) | Oils - Fuel (Wholesale) in Waltham, MA (11) |
| Painters in Waltham, MA (11) | Roofing Contractors & Roofers in Waltham, MA (11) |
| Architects in Waltham, MA (10) | Automobile Dealers - Used Cars in Waltham, MA (10) |
| Chiropractors in Waltham, MA (10) | Computers - Networking in Waltham, MA (10) |
| Computers - Service & Repair in Waltham, MA (10) | Locks & Locksmiths in Waltham, MA (10) |
| Telecommunications Services in Waltham, MA (10) | Barbers in Waltham, MA (9) |
| Business Services in Waltham, MA (9) | Credit Unions in Waltham, MA (9) |
| Engineers - Consulting in Waltham, MA (9) | Investments in Waltham, MA (9) |
| Janitor Service in Waltham, MA (9) | Tax Return Preparation & Filing in Waltham, MA (9) |
| Taxicabs & Transportation Service in Waltham, MA (9) | Variety Stores in Waltham, MA (9) |
| Carpet & Rug Dealers - New in Waltham, MA (8) | Clinics in Waltham, MA (8) |
| Communications in Waltham, MA (8) | Employment Contractors - Temporary Help in Waltham, MA (8) |
| Financing in Waltham, MA (8) | Florists - Retail in Waltham, MA (8) |
| Laboratories - Research & Development in Waltham, MA (8) | Services in Waltham, MA (8) |
| Advertising - Agencies & Counselors in Waltham, MA (7) | Airport Transportation Service in Waltham, MA (7) |
| Beauty Shop in Waltham, MA (7) | Delis & Delicatessens in Waltham, MA (7) |
| Educational Service - Business in Waltham, MA (7) | Food Markets in Waltham, MA (7) |
| Gift Shops in Waltham, MA (7) | Health Services in Waltham, MA (7) |
| Jewelers - Retail in Waltham, MA (7) | Mfg Surgical Medical Instruments Whol Homefurnishings in Waltham, MA (7) |
| Pest Control in Waltham, MA (7) | Pizza in Waltham, MA (7) |
| Psychotherapists in Waltham, MA (7) | Real Estate Developers in Waltham, MA (7) |
| Storage - Household & Commercial in Waltham, MA (7) | Venture Capital Companies in Waltham, MA (7) |
| Website Design Service in Waltham, MA (7) | Automobile Parts & Supplies - Retail - New in Waltham, MA (6) |
| Book Dealers - Retail in Waltham, MA (6) | Copying & Duplicating Machines & Supls in Waltham, MA (6) |
| Delivery Service in Waltham, MA (6) | Doughnuts in Waltham, MA (6) |
| Electronic Equipment & Supplies - Retail in Waltham, MA (6) | Engineers in Waltham, MA (6) |
