REL
REL commonly stands for recommended exposure limit in occupational safety, but also appears as the ticker for Reliance Group Holdings, the name of research enterprises, Radio Engineering Laboratories, or the Rosen Electronics Letter publication.
Medical
Community
Rosen Electronics Letter
RELigion
Robert Edward Lee
Regional Educational Laboratory
Research, Evaluation and Learning
Academic & Science
Regional
Computing
Business
Reliance Group Holdings, Inc.
Research Enterprise Limited
Radio Engineering Laboratories
Research Enterprise Limited Quebec
Reed Elsevier, P.L.C.