A-E-I Environmental & Engineering Consultants
- Offers a variety of services including real estate inspections, environmental assessments, ground penetrating radar investigations and construction administration.
- http://websites.hamiltontexas.com/aei/

Davidson-Craig Real Estate
- Offers commercial, residential, and acreage properties.
- http://users.htcomp.net/dcre/

Hagelstien Ranches
- Includes information about the property and owners as well as the Con Tain Eco project.
- http://users.htcomp.net/hagelsteinranch/

ChefMoz: Hamilton
- Detailed restaurant listings and dining guide with reviews submitted by the public, and links to outside reviews. Search by name, cuisine, rating, or location.
- http://chefmoz.org/United_States/TX/Hamilton/

Pederson's Natural Farms
- USDA Process Verified pork products. Includes product and contact information, press releases, and contact information.
- http://www.healthypork.com/

Dutchman's Hidden Valley
- Offers candy, bison and beef sausage and jerky, smoked cheese, pecan brittle, salt water taffy, and sugar-free chocolates. Includes location, catalog, and online ordering.
- http://www.dutchmans-hiddenvalley.com/

Wilson Ranch
- Raising paint and quarter horses for cutting, reining, and working cow horses. Includes contact information and animals available.
- http://www.dlwilsonranch.com/