diff --git a/trick_source/sim_services/Units/Makefile b/trick_source/sim_services/UnitsMap/Makefile
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rename from trick_source/sim_services/Units/Makefile
rename to trick_source/sim_services/UnitsMap/Makefile
diff --git a/trick_source/sim_services/Units/Makefile_deps b/trick_source/sim_services/UnitsMap/Makefile_deps
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rename from trick_source/sim_services/Units/Makefile_deps
rename to trick_source/sim_services/UnitsMap/Makefile_deps
diff --git a/trick_source/sim_services/Units/UnitsMap.cpp b/trick_source/sim_services/UnitsMap/UnitsMap.cpp
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rename from trick_source/sim_services/Units/UnitsMap.cpp
rename to trick_source/sim_services/UnitsMap/UnitsMap.cpp
diff --git a/trick_source/sim_services/Units/doc/units.html b/trick_source/sim_services/UnitsMap/doc/units.html
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rename from trick_source/sim_services/Units/doc/units.html
rename to trick_source/sim_services/UnitsMap/doc/units.html