diff --git a/include/trick/AttributesMap.hh b/include/trick/AttributesMap.hh
index 410574ca..6adb5b8f 100644
--- a/include/trick/AttributesMap.hh
+++ b/include/trick/AttributesMap.hh
@@ -63,6 +63,7 @@ namespace Trick {
 #endif
 
             void print_xml( std::ofstream & outfile ) ;
+            void print_json(std::ofstream & sie_out ) ;
 
         private:
             std::map<std::string, ATTRIBUTES *> name_to_attr_map ;
diff --git a/include/trick/EnumAttributesMap.hh b/include/trick/EnumAttributesMap.hh
index b12ad09d..e4c0e719 100644
--- a/include/trick/EnumAttributesMap.hh
+++ b/include/trick/EnumAttributesMap.hh
@@ -55,6 +55,7 @@ namespace Trick {
             }
 
             void print_xml( std::ofstream & outfile ) ;
+            void print_json(std::ofstream & sie_out ) ;
 
         private:
             std::map<std::string, ENUM_ATTR *> name_to_attr_map ;
diff --git a/include/trick/Sie.hh b/include/trick/Sie.hh
index 277d1e92..2f2a2b9f 100644
--- a/include/trick/Sie.hh
+++ b/include/trick/Sie.hh
@@ -40,10 +40,12 @@ namespace Trick {
             void class_attr_map_print_xml() ;
             void enum_attr_map_print_xml() ;
             void top_level_objects_print_xml() ;
+            void sie_print_json() ;
 
         private:
 
             void top_level_objects_print(std::ofstream & sie_out) ;
+            void top_level_objects_json(std::ofstream & sie_out) ;
 
             // These are singleton maps holding all attributes known to the sim
             Trick::AttributesMap * class_attr_map ; /* ** -- This is be ignored by ICG */
diff --git a/trick_source/sim_services/Sie/AttributesMap.cpp b/trick_source/sim_services/Sie/AttributesMap.cpp
index 40a39c89..7c991677 100644
--- a/trick_source/sim_services/Sie/AttributesMap.cpp
+++ b/trick_source/sim_services/Sie/AttributesMap.cpp
@@ -98,3 +98,64 @@ void Trick::AttributesMap::print_xml(std::ofstream & sie_out ) {
     }
 }
 
+void Trick::AttributesMap::print_json(std::ofstream & sie_out ) {
+    std::map<std::string, ATTRIBUTES *>::iterator it ;
+    int jj ;
+    sie_out << "  \"classes\": [\n" ;
+    for ( it = name_to_attr_map.begin() ; it != name_to_attr_map.end() ; it++ ) {
+        ATTRIBUTES * attr = (*it).second ;
+        std::string class_name = (*it).first;
+        std::replace(class_name.begin(), class_name.end(), ':', '_');
+        sie_out << "    {\n";
+        sie_out << "      \"name\": \"" <<  class_name << "\",\n" ;
+        if(attr->name[0] == '\0' || (attr->type_name == NULL)) {
+            sie_out << "      \"members\": []\n" ;
+        } else {
+            sie_out << "      \"members\": [\n" ;
+            while ( attr->name[0] != '\0' and (attr->type_name != NULL)) {
+                sie_out << "        {\n";
+                sie_out << "          \"name\": \"" << attr->name << "\",\n" ;
+                std::string type_name = attr->type_name;
+                std::replace(type_name.begin(), type_name.end(), ':', '_');
+                sie_out << "          \"type\": \"" << type_remove_dims(type_name) << "\",\n" ;
+                sie_out << "          \"io_attributes\": \"" << attr->io << "\",\n" ;
+                sie_out << "          \"units\": \"" ;
+                // If the mods bit is set for using -- as the units
+                if ( attr->mods & TRICK_MODS_UNITSDASHDASH ) {
+                    sie_out << "--" ;
+                } else {
+                    sie_out << attr->units ;
+                }
+                sie_out << "\"" ;
+
+                std::string description = attr->des;
+                if ( ! description.empty() ) {
+                    sie_out << ",\n          \"description\": \"" << replace_special_chars(description) << "\"" ;
+                }
+                if ( attr->num_index > 0 ) {
+                    sie_out << ",\n          \"dimensions\": [" ;
+                    for (jj = 0; jj < attr->num_index - 1; jj++) {
+                        sie_out << " \"" << attr->index[jj].size << "\"," ;
+                    }
+                    sie_out << " \"" << attr->index[attr->num_index - 1].size << "\" " ;
+                    sie_out << "]\n" ;
+                } else {
+                    sie_out << '\n' ;
+                }
+                sie_out << "        }" ;
+                if((attr + 1)->name[0] != '\0') {
+                    sie_out << ',';
+                }
+                sie_out << '\n';
+                attr++ ;
+            }
+            sie_out << "      ]\n" ;
+        }
+        sie_out << "    }" ;
+        if(std::next(it, 1) != name_to_attr_map.end()) {
+            sie_out << ',' ;
+        }
+        sie_out << "\n" ;
+    }
+    sie_out << "  ],\n" ;
+}
diff --git a/trick_source/sim_services/Sie/EnumAttributesMap.cpp b/trick_source/sim_services/Sie/EnumAttributesMap.cpp
index c0bcd791..173c2d96 100644
--- a/trick_source/sim_services/Sie/EnumAttributesMap.cpp
+++ b/trick_source/sim_services/Sie/EnumAttributesMap.cpp
@@ -31,3 +31,38 @@ void Trick::EnumAttributesMap::print_xml(std::ofstream & sie_out ) {
     }
 }
 
+void Trick::EnumAttributesMap::print_json(std::ofstream & sie_out ) {
+    std::map<std::string, ENUM_ATTR *>::iterator it ;
+    ENUM_ATTR * enum_attr ;
+    sie_out << "  \"enumerations\": [\n" ; 
+    for ( it = name_to_attr_map.begin() ; it != name_to_attr_map.end() ; it++ ) {
+        enum_attr = (*it).second ;
+
+        if ( enum_attr != NULL ) {
+            sie_out << "    {\n";
+            std::string name = it->first;
+            std::replace(name.begin(), name.end(), ':', '_');
+            sie_out << "      \"name\": \"" <<  name << "\",\n" ;
+            sie_out << "      \"pairs\": [\n";
+            while ( enum_attr->label[0] != '\0' ) {
+                sie_out << "        {\n" ;
+                sie_out << "          \"label\": \"" << enum_attr->label << "\",\n" ;
+                sie_out << "          \"value\": \"" << enum_attr->value << "\"\n" ;
+                sie_out << "        }" ;
+                if((enum_attr + 1)->label[0] != '\0') {
+                    sie_out << ',';
+                }
+                sie_out << "\n";
+                enum_attr++ ;
+            }
+            sie_out << "      ]\n" ;
+            sie_out << "    }" ;
+            if(std::next(it, 1) != name_to_attr_map.end()) {
+                sie_out << ',' ;
+            }
+            sie_out << '\n';
+        }
+    }
+    sie_out << "  ],\n";
+}
+
diff --git a/trick_source/sim_services/Sie/Sie.cpp b/trick_source/sim_services/Sie/Sie.cpp
index ce686236..3366ec4f 100644
--- a/trick_source/sim_services/Sie/Sie.cpp
+++ b/trick_source/sim_services/Sie/Sie.cpp
@@ -37,6 +37,7 @@ int Trick::Sie::process_sim_args() {
             /* If main is being invoked by the configuration processor (cp) to generate the sie resource file... */
             /* Generate the sie resource file */
             sie_print_xml();
+            sie_print_json();
 
             // Silently exit the sim without printing the termination message
             exit(0) ;
@@ -73,6 +74,42 @@ void Trick::Sie::top_level_objects_print(std::ofstream & sie_out) {
     }
 }
 
+void Trick::Sie::top_level_objects_json(std::ofstream & sie_out) {
+    Trick::VARIABLE_MAP_ITER vit ;
+    int jj ;
+    sie_out << "  \"top_level_objects\": [\n";
+    for ( vit = trick_MM->variable_map_begin() ; vit != trick_MM->variable_map_end() ; vit++ ) {
+        ALLOC_INFO * alloc_info = (*vit).second ;
+
+        if ( alloc_info != NULL ) {
+            sie_out << "    {\n" ;
+            sie_out << "      \"name\": \"" << vit->first << "\",\n" ;
+            sie_out << "      \"type\": \"" ;
+            std::string type = trickTypeCharString(alloc_info->type, alloc_info->user_type_name );
+            std::replace(type.begin(), type.end(), ':', '_') ;
+            sie_out <<  type << "\",\n" ;
+            sie_out << "      \"alloc_memory_init\": \"" << alloc_info->alloced_in_memory_init << "\"";
+            if ( alloc_info->num_index > 0 ) {
+                sie_out << ",\n        \"dimensions\": [" ;
+                for (jj = 0; jj < alloc_info->num_index - 1; jj++) {
+                    sie_out << " \"" << alloc_info->index[jj] << "\"," ;
+                }
+                sie_out << " \"" << alloc_info->index[alloc_info->num_index - 1] << "\" " ;
+                sie_out << "]\n" ;
+                } else {
+                    sie_out << '\n' ;
+                }
+            sie_out << "    }" ;
+            if(std::next(vit, 1) != trick_MM->variable_map_end()) {
+                sie_out << ',' ;
+            }
+            sie_out << '\n';
+        }
+    }
+    sie_out << "  ]\n";
+}
+
+
 void Trick::Sie::sie_print_xml() {
     std::ofstream sie_out ;
     std::string file_name = std::string(command_line_args_get_default_dir()) + "/" + "S_sie.resource" ;
@@ -86,6 +123,19 @@ void Trick::Sie::sie_print_xml() {
     sie_out.close() ;
 }
 
+void Trick::Sie::sie_print_json() {
+    std::ofstream sie_out ;
+    std::string file_name = std::string(command_line_args_get_default_dir()) + "/" + "S_sie.json" ;
+    sie_out.open(file_name.c_str()) ;
+    sie_out << "{\n" ;
+    class_attr_map->print_json(sie_out) ;
+    enum_attr_map->print_json(sie_out) ;
+    top_level_objects_json(sie_out) ;
+    sie_out << "}\n" ;
+    sie_out.close() ;
+}
+
+
 void Trick::Sie::class_attr_map_print_xml() {
     std::ofstream sie_out ;
     std::string file_name = std::string(command_line_args_get_default_dir()) + "/" + "S_sie_class.xml" ;