Advertising & Marketing - An advertising agency or ad agency is a service business dedicated to creating, planning and handling advertising (and sometimes other forms of promotion) for its clients. An ad agency is independent from the client and provides an outside point of view to the effort of selling the client's products or services. An agency can also handle overall marketing and branding strategies and sales promotions for its clients.

Automotive - Automotive industry parts, supplies, and accesories. The Automotive category can also include truck parts and related accessories, racing parts and equipment, and farm machinery. Automotive publications and reference sites can also be included.

Building & Construction - In general, there are three categories of construction: (1) building, (2) heavy/highway, and (3) industrial. This category focuses on residential, commercial, eduational, and medical buildings. Included in this category are builders of permanent and modular buildings, building repair including structural and foundation repair.

Business & Business Services - Intangible services supporting business activities.

Communications - Products and services involved in communications infrastructure development or service delivery.

Computers - Computer hardware, software, accessories, and services.

• Services - Computer repair services, computer tech support services, computer networking, an computer consulting not directly related to programming.

• Software - Computer software and software support.

Education & Training - Primary, secondary, and trade educational institutions and supporting services.

• Culinary Schools - Culinary arts and restaurant management institutions.

• Distance Learning

• Private Schools - Private primary and secondary institutions.

• Universities - Major higher education and online institutions.

Financial - Personal and business financial services.

Health & Beauty - Health, fitness information, weight loss and skin care

Home & Garden - Home decoration and improvement, gardening information

• Do-It-Yourself

• Gardening - Plants, gardening tools and supplies, greenhouses and supplies.

• Home Improvement

• Pest Control - Home pest control products and services.

Internet - Internet business services, Internet marketing

• Blogs

• Directories - Online general and vertical directories.

• Email Marketing - Software, services, or information about email marketing.

• Internet Marketing - General web marketing information and services.

• Outsourcing

• Search Engine Marketing - Search engine optimization and paid search marketing information and services.

• Software - Internet, website, email, and security software products and services

• Web Design and Development - Web developers and web development products.

• Web Hosting - Web hosting service providers.

• Website Promotion - Products and services to increase your website visibility.

Manufacturing - Domestic and international manufacturers.

Other - Companies and websites not matching other category descriptions.

Real Estate - Residential and commercial real estate.

Recreation - Recreation, outdoor and gaming sites.

Shopping - Online shopping sites.

• Art

• Electronics - Consumer electronics products.

• Entertainment - Consumer entertainment products.

• Jewelry - Watches, rings, necklaces, and other jewelry items.

Travel - Travel, hotel, and airline information.