Highland Chamber of Commerce
- Contains information about the community's history, industry, development, public services, organizations, a visitor's guide, events and a member directory.
- http://www.highlandillinois.com/

Tri Ford Mercury Inc
- New and used vehicle dealer. Includes information on new models, used vehicle warranties, location, hours of operation and events.
- http://www.trifordmercury.com/

Sully's School of Dog Training
- Offers dog obedience and agility training.
- http://webpages.charter.net/sullys

Moe Piano & Organ Co.
- Full service company offering tuning, restoration, and repair of pianos, player pianos, reed organs, and most other types of keyboard instruments.
- http://www.mpoc.50megs.com

Always Alpacas & AL-O Alpacas
- Alpaca farm offering animals for sale, as well as fiber, fleece and fiber products, boarding, breeding and contract sales.
- http://www.alwaysalpacas.com/

Wicks Pipe Organ
- New organ design, organ refurbishing, organ expansion, organ rebuilding, tuning and maintenance, service contracts, organ appraisals, sales and service.
- http://www.wicks.com/organ/

Motorsports Cycle Center
- Motorcycle shop offering service, parts and accessories, custom built street bikes, and related products.
- http://www.motorsportscycle.com/

The Korte Company
- Construction company specializing in industrial buildings.
- http://www.korteco.com

Highland Supply Corporation
- Features manufacturer of floral, gift basket, and decorative packaging.
- http://www.highlandsupply.com

Highland Machine and Screw Products Co.
- A sheet metal and general machining facility in Highland, Illinois.
- http://www.highlandmachine.com

FOPPE DeSigns, Inc.
- Graphic design, media specialist.
- http://www.foppedesigns.com/

DuCoa
- Offers a complete line of nutritional and technical programs in swine, poultry, beef, dairy and companion animals.
- http://www.ducoa.com/

Basler Electric
- An innovative company that designs, manufactures, and markets electrical products.
- http://www.basler.com/