Illustration Web — International agency representing illustrators worldwide. Provides illustration, commercial art and cartoons for advertisers, ad agencies, and publishers.

Lavapepper Limited Illustrators Representatives — Representing illustrators from the UK and the U.S.

Cartoonet Illustration Agency — Global agency for illustrators, cartoonists and animators.

Art Factory does illustration — A portfolio of illustration examples by 9 Art Factory artists in various mediums,for advertising and editorial use.

The Illustrators Guild of Ireland — Showcase of the professional Irish illustration, with resources for both clients and illustrators.

nb illustration — UK-based agency representing commercial illustrators.

Thorogood Illustration — Representing international illustrators in the fields of advertising, design, publishing, animation and television.

Wayne Heim - Medical Illustration — Medical illustrator Wayne Heim, CMI. Information, sample and stock visuals available for review and purchase.

Damone Illustration — Specializing in archaeological, paleontological, and faunal illustration.

Medical Illustration Source Book — Images from professional illustrators and photographers advertising in the Association of Medical Illustrators Source Book, published by Serbin Communications, Inc.

Natural and Scientific Illustration, Gina Mikel — Illustrations of plants, animals, frogs, fish, and birds.

Miller Medical Illustration & Design — Miller Medical Illustration and Design creates distinctive medical illustrations for the Publishing, Advertising and Legal Communities. Stock art available.

Jillian O'Malley Illustration — Creates anatomical, conceptual, and surgical illustrations. Work performed traditionally and also with computer graphics software. Creates images for textbooks, journals, advertisements, medical malpractice and personal injury cases, and multimedia projects.

Fairman Studios Medical and Biological Illustration — Portfolio website for Fairman Studios, specializing in traditional and digital media for biomedical illustration, 2D animation, interactive media and web design.

Eric Olson Design and Medical Illustration — Medical illustration, animation, and design.