Abbreviations beginning with o

OCTLOpen Circuit Transmission Line
Academic & Science

OCTLOptical Communications Telescope Laboratory
Academic & Science

OCTLOil Country Tubular Limited (Hyderabad, Andhra Pradesh, India)
Business

OCTLOil Creek and Titusville Lines, Inc. (railroad; Pennsylvania)
Business

OCTLOilfield Chemical Technology Ltd. (Aberdeen, Scotland, UK)
Business

OCTLOilfield Chemical Technology Limited
Computing » Technology

OCTLOil Country Tubular Limited
Miscellaneous » Unclassified

OCTLOilfield Chemical Technology Limited
Miscellaneous » Unclassified

OCTLOil Creek and Titusville Lines
Regional » Railroads

OCTLAOrange County Trial Lawyers Association (est. 1963; Laguna Hills, CA)
Academic & Science

OCTLAOut of Control Area
Governmental

OCTMOcean Chemical Transport Model
Academic & Science » Chemistry

OCTMOffice of Clinical Trials Management (research management group; Ludwig Institute for Cancer Research)
Academic & Science

OCTMOhio Coucil of Teachers of Mathematics
Academic & Science » Mathematics

OCTMOhio Council for Teachers of Mathematics
Academic & Science » Mathematics

OCTMOhio Council of Teachers of Mathematics
Academic & Science » Mathematics

OCTMOklahoma Council of Teachers of Mathematics
Academic & Science

OCTMOklahoma Council of Teachers of Mathematics
Academic & Science » Mathematics

OCTMOppositely Charged Twin Monopole (matter theory)
Academic & Science

OCTMOregon Council of Teachers of Mathematics
Academic & Science » Mathematics