Abbreviations beginning with o

OPTRAKOptical Tracking & Ranging Kit
Governmental

OPTRSOnline Payroll Time Reporting System
Community

OPTSOneida Public Transit System (Wisconsin)
Academic & Science

OPTSOpen POSIX (Portable Operating System Interface for Unix) Test Suite
Academic & Science

OPTSOver-the-Air Programming Teleservice
Academic & Science

OPTSOpta Food Ingredients, Inc.
Business » NASDAQ Symbols

OPTSEPA Office of Pesticides and Toxic Substances
Community

OPTSOil Producers Trade Section
Miscellaneous » Unclassified

OPTSOlder Persons Tenants' Service (Ultimo, Sydney, New South Wales, Australia)
Miscellaneous

OPTSOpportunity to Succeed (substance abuse program)
Miscellaneous

OPTSOrganization of Parents Through Surrogacy
Miscellaneous

OPTUOld Pueblo Trout Unlimited (conservation; Arizona)
Miscellaneous

OPTUOperation Peace Through Unity (UN)
Miscellaneous