Irvine
- Accountants
- Advertising-Agencies & Counselors
- Architects
- Attorneys
- Banks
- Beauty Salons
- Building Contractors
- Business Management Consultants
- Business Services
- Churches
- Computer & Equipment Dealers
- Computer Software
- Computers-Networking
- Computers-System Designers & Consultants
- Eating Place
- Employment Agencies & Opportunities
- Engineers-Civil
- Engineers-Consulting
- Environmental & Ecological Services
- Financial Advisory Services
- Financial Planning Consultants
- Financing
- Insurance
- Insurance Agent/broker
- Landscape Services
- Management Consulting Services
- Marketing Consultants
- Mortgage Banker/correspondent
- Nonclassified Establishments
- Physicians & Surgeons
- Physicians & Surgeons Equip & Supls-Mfrs
- Plumbing/heating/air Cond Contractor
- Printers
- Publishers-Computer Software
- Real Estate
- Real Estate Agent/manager
- Real Estate Developers
- Real Estate Loans
- Real Estate Management
- Restaurants
- Ret Gifts/novelties
- Ret Misc Merchandise
- Telecommunications Services
- Telephone Communications
- Travel Agency
- Unclassified
- Whol Computers/peripherals
- Whol Electronic Parts/equipment
- Whol Industrial Equipment
- Whol Nondurable Goods