Founded in 1956 and located in Westmont, Illinois, The McCrone Group, Inc. is internationally recognized as a world leader in microscopy, microanalysis, materials characterization, and the solving of tough materials problems. Today, The McCrone Group, Inc. is regarded as "The Premier Microscopy Resource" and combines the talents and skills of its staff in the areas of materials analysis, instrument sales, and education.

The McCrone Group includes McCrone Associates, McCrone Microscopes & Accessories, the College of Microscopy, the online McCrone Atlas of Microscopic Particles, and ModernMicroscopy.com.

McCrone Associates is focused on solving the most difficult materials and particle identification problems along with the day-to-day analysis needs of clinical laboratories, scientific researchers, business organizations, and government agencies worldwide. McCrone Associates’ scientists consult direct with clients, and use the most advanced microscopy techniques and instrumentation to solve their problems.

McCrone Microscopes & Accessories (MMA), the instrument sales division of The McCrone Group, is the authorized national dealer for Olympus polarized light microscopes, Linkam heating/cooling stages, and a variety of digital imaging systems. MMA boasts one of the most complete lines of products for the optical microscopist.

The College of Microscopy provides training and education to scientist worldwide. After more than 50 years of consulting and instructional services through McCrone Associates, the College of Microscopy was established in January 2004 as the formal institution for microscopy education.

The online McCrone Atlas of Microscopic Particles is an subscription-based particle reference for scientists, microscopists, and criminalists engaged in materials characterization and particle identification. ModernMicroscopy.com is a free online peer-reviewed journal with articles, scientific tips, and tutorials contributed by scientists from around the world.