Maresco specializes in the following fields, and counts numerous prestigious entities among its clients:

• High-Tech - HP (Indigo), Orbotech, Intel, Scitex, Applied Materials.
• Aviation - The Israeli Aviation Industry (IAI) and subsidiaries, The Israeli Air Force, Elbit, Cyclon.
• Science Institutes - The Weizmann Institute of Science (Israel), CERN (Switzerland).
• Security & Defense - Rafael, The Israeli Department of Defense, Elta, The Israeli Military Industries.