diff --git a/MAC_EnvironmentalVar.sh b/MAC_EnvironmentalVar.sh
new file mode 100644
index 00000000..f5ce3218
--- /dev/null
+++ b/MAC_EnvironmentalVar.sh
@@ -0,0 +1,22 @@
+#
+#	Set Up Mac Specific Environmental Variables
+#
+#=====================================================
+
+fortran_var=$(find /opt/local/bin/gfortran-mp-*)
+cc_var=$(find /opt/local/bin/gcc-mp-*)
+cpp_var=$(find /opt/local/bin/g++-mp-*)
+
+echo "Environmental Variables set"
+
+FC="$fortran_var"
+find ${FC}
+export FC="$fortran_var"
+
+CC="$cc_var"
+find ${CC}
+export CC="$cc_var"
+
+CXX="$cpp_var"
+find ${CXX}
+export CXX="$cpp_var"
diff --git a/MAC_install-exodus.sh b/MAC_install-exodus.sh
index e3a6860d..48c6bdf6 100755
--- a/MAC_install-exodus.sh
+++ b/MAC_install-exodus.sh
@@ -16,6 +16,22 @@ SEACAS_INSTALL_DIR=${SEACAS_INSTALL_DIR:-"$(pwd)/TPLs/"}
 # EXO_COMMIT_HASH=${EXO_COMMIT_HASH:-v2021-10-11}
 # =================================================
 
+# ==== MAC SPECIFIC COMPILER EXPORTS ===============
+export PATH="/opt/local/libexec/gnubin:/opt/local/bin:/opt/local/sbin:$PATH"
+export COMPILER=MacPorts
+fortran_var=$(find /opt/local/bin/gfortran-mp-*)
+cc_var=$(find /opt/local/bin/gcc-mp-*)
+cpp_var=$(find /opt/local/bin/g++-mp-*)
+
+FC="$fortran_var"
+export FC="$fortran_var"
+
+CC="$cc_var"
+export CC="$cc_var"
+
+CXX="$cpp_var"
+export CXX="$cpp_var"
+
 # ==== GET SOURCE  ================================
 mkdir -p ${SEACAS_INSTALL_DIR}
 cd ${SEACAS_INSTALL_DIR}