| Restaurants in California, MD (25) | Churches in California, MD (13) |
| Engineers - Consulting in California, MD (12) | Insurance in California, MD (11) |
| Real Estate in California, MD (11) | Physicians & Surgeons in California, MD (10) |
| Automobile Repairing & Service in California, MD (8) | Business Management Consultants in California, MD (8) |
| Dentists in California, MD (8) | Attorneys & Lawyers in California, MD (7) |
| Banks in California, MD (6) | Beauty Salons in California, MD (6) |
| Department Stores in California, MD (6) | Accountants in California, MD (5) |
| Liquors - Retail in California, MD (5) | Real Estate Loans in California, MD (5) |
| Building Contractors in California, MD (4) | Business Consulting Services in California, MD (4) |
| Cellular Telephones (Services) in California, MD (4) | Computer & Equipment Dealers in California, MD (4) |
| Computer Software in California, MD (4) | General Contractors in California, MD (4) |
| Home Builders in California, MD (4) | Contractors in California, MD (3) |
| Convenience Stores in California, MD (3) | Data Processing Service in California, MD (3) |
| Engineers - Electronic in California, MD (3) | Hotels & Motels in California, MD (3) |
| House Construction Contractors in California, MD (3) | Jewelers - Retail in California, MD (3) |
| Misc Personal Services Farm Labor Contractor in California, MD (3) | Optical Goods - Retail in California, MD (3) |
| Pharmacies in California, MD (3) | Psychologists in California, MD (3) |
| Schools - Nursery & Kindergarten in California, MD (3) | Women's Apparel - Retail in California, MD (3) |
| Accounting Auditing Bookkeeping in California, MD (2) | Asphalt & Asphalt Products in California, MD (2) |
| Auctioneers in California, MD (2) | Aviation Consulting in California, MD (2) |
| Blacksmiths in California, MD (2) | Business Services in California, MD (2) |
| Cellular Telephones - Equipment & Supls in California, MD (2) | Coffee Shops in California, MD (2) |
| Computers - Service & Repair in California, MD (2) | Computers - System Designers & Consultants in California, MD (2) |
| Cosmetics & Perfumes - Retail in California, MD (2) | Crafts in California, MD (2) |
| Driving Instruction in California, MD (2) | Electric Contractors in California, MD (2) |
| Engineers - Civil in California, MD (2) | Exercise & Physical Fitness Programs in California, MD (2) |
| Financing in California, MD (2) | Florists - Retail in California, MD (2) |
| Gift Shops in California, MD (2) | Government - Contractors in California, MD (2) |
| Grading Contractors in California, MD (2) | Health & Diet Foods - Retail in California, MD (2) |
| Hearing Impaired Equipment & Supplies in California, MD (2) | Manicure & Nail Salons in California, MD (2) |
| Musical Instruments - Dealers in California, MD (2) | Optometrists Od in California, MD (2) |
| Pest Control in California, MD (2) | Post Offices in California, MD (2) |
| Retail Shops in California, MD (2) | Retreat Houses in California, MD (2) |
| Schools - Universities & Colleges Academic in California, MD (2) | Social Service & Welfare Organizations in California, MD (2) |
| Tanning Salons in California, MD (2) | Title Companies in California, MD (2) |
| Video Tapes & Discs - Renting & Leasing in California, MD (2) | Acupuncture in California, MD (1) |
| Adult Care Facilities in California, MD (1) | Aircraft - Manufacturers in California, MD (1) |
| Airport Transportation Service in California, MD (1) | Airport Airport Services Mfg Aircraft Parts Equipment R in California, MD (1) |
| Alternators & Generators - Automotive - Rpr in California, MD (1) | Antiques - Dealers in California, MD (1) |
| Art Galleries & Dealers in California, MD (1) | Automobile Body - Repairing & Painting in California, MD (1) |
| Automobile Dealers - New Cars in California, MD (1) | Automobile Parts & Supplies - Retail - New in California, MD (1) |
| Automobile Renting in California, MD (1) | Automotive Repair & Service in California, MD (1) |
| Aviation Consultants in California, MD (1) | Bakers - Retail in California, MD (1) |
| Beauty Salons - Equipment & Supplies in California, MD (1) | Beauty Schools in California, MD (1) |
| Beauty Shop in California, MD (1) | Beauty Shop in California, MD (1) |
| Bed & Breakfast Accommodations in California, MD (1) | Bingo Games in California, MD (1) |
| Book Dealers - Retail in California, MD (1) | Book Store in California, MD (1) |
| Bridal Shops in California, MD (1) | Business Construction Services in California, MD (1) |
| Cad Systems & Services in California, MD (1) | Candy & Confectionery - Retail in California, MD (1) |
| Car Washing & Polishing in California, MD (1) | Child Care Service in California, MD (1) |
