American Artist and Workshop Magazine
I have freelanced for Workshop magazine--a quarterly publication of American Artist magazine.

Art Business
A great source of art business articles on the Web.

Art Calendar
Periodical for artists with career advice and multiple listings for competitions, etc.

Art Fair Sourcebook
A trade resource for those who do art fairs.

Artful Picture Frames
Wholesale picture frames by the box.

Artgarters
Padded fabric corner protection for frames in transit. I use these extensively.

Artwork Essentials
The makers of EasyL pochade box for plein air painters and other cool gadgets.

Daniel Smith Art Supply
While they carry many brands they also make their own line of paints, brushes, gesso etc. I use their Irridescent Gold Acrylic Gesso.

Dick Blick Art Supplies
Dick Blick carries M Graham paints and mediums as well as a great selection of art supplies at competitive prices. 

Direct Lighting
I use them for track lighting and fixtures.

Fine Art Connoisseur
Formerly "Plein Air" magazine. I am the current Illinois/Midwest Regional Editor. Also, see my article in the May 2005 issue.

Fine Art Studio Online
My new webhosts. They are very user friendly, offer unlimited technical support and a great value.

Flourish Company
Suppliers of canopies and accessories for outdoor fairs.

Franken Frames
I use them for custom frames, liners, and stretcher bars.

Gamblin Oil Colors
 A helpful site for information on colormaking, technical advice and safety.

Humane Society of the United States
This organisation is dedicated to the humane treatment of animals. It is a great source of information, and also works tirelessly to increase animal welfare.  

I Print From Home
I use this service to convert my own digital images to slides.

Jerry's Artarama
Competitive pricing with a good selection. 

JFM Enterprises
These folks are good for nice standard size frames at fairly good prices.

Judsons Art Outfitters
Makers of many products for plein air painting including the Guerrilla Paint Boxs.