diff -u project.api.php project.api.php
--- project.api.php	13 Aug 2010 17:17:50 -0000
+++ project.api.php	13 Aug 2010 17:47:30 -0000
@@ -86,0 +87,29 @@
+
+/**
+ * Populate the maintainer information for a given project.
+ *
+ * Whenever a project node is being loaded, this hook is invoked to give any
+ * modules providing per-project permissions a chance to update the maintainer
+ * array. This array is stored in the project as $node->project['maintainers'].
+ *
+ * The maintainers array is keyed by the UID of each maintainer. Each value is
+ * itself a nested array of information about the maintainer. These arrays
+ * have the keys 'name' for the username and 'permissions', which is an array
+ * of per-project permissions associated with the maintainer.  This
+ * 'permissions' subarray is keyed by permission name, and the values are 0 or
+ * 1 to indicate if the maintainer should have access to that permission.
+ *
+ * @param $nid
+ *   The Project NID to populate maintainer information about.
+ * @param $maintainers
+ *   Reference to a nested array of maintainers.
+ */
+function hook_project_maintainer_project_load($nid, &$maintainers) {
+  $query = db_query('SELECT u.uid, u.name, epm.some_project_permission FROM {example_project_maintainer} epm INNER JOIN {users} u ON epm.uid = u.uid WHERE epm.nid = %d', $nid);
+  while ($maintainer = db_fetch_object($query)) {
+    if (empty($maintainers[$maintainer->uid])) {
+      $maintainers[$maintainer->uid]['name'] = $maintainer->name;
+    }
+    $maintainers[$maintainer->uid]['permissions']['some project permission'] = $maintainer->some_project_permission;
+  }
+}
diff -u project.module project.module
--- project.module	13 Aug 2010 17:14:08 -0000
+++ project.module	13 Aug 2010 17:53:20 -0000
@@ -832,24 +832,51 @@
 }
 
 /**
- * Implement hook_load().
+ * Load all the per-project maintainer info for a given project.
+ *
+ * @param $nid
+ *   Node ID of the project to load maintainer info about.
+ *
+ * @return
+ *   Array of maintainer info for the given project.
+ *
+ * @see hook_project_maintainer_project_load().
  */
-function project_project_load($node) {
-  $additions = db_fetch_array(db_query('SELECT * FROM {project_projects} WHERE nid = %d', $node->nid));
-  $project = new stdClass;
-  $project->project = $additions;
+function project_maintainer_project_load($nid) {
+  $maintainers = array();
+
   // We don't want to load all the permissions here, just the ones that
   // Project itself is responsible for, so we use our implementation of the
   // hook, instead of the global load function.
   $project_perms = project_project_permission_info();
-  $maintainers = db_query('SELECT u.name, pm.* FROM {project_maintainer} pm INNER JOIN {users} u ON pm.uid = u.uid WHERE pm.nid = %d ORDER BY u.name', $node->nid);
-  while ($maintainer = db_fetch_object($maintainers)) {
-    $project->project['maintainers'][$maintainer->uid]['name'] = $maintainer->name;
+  $query = db_query('SELECT u.name, pm.* FROM {project_maintainer} pm INNER JOIN {users} u ON pm.uid = u.uid WHERE pm.nid = %d ORDER BY u.name', $nid);
+  while ($maintainer = db_fetch_object($query)) {
+    $maintainers[$maintainer->uid]['name'] = $maintainer->name;
     foreach ($project_perms as $perm_name => $perm_info) {
       $db_field = str_replace(' ', '_', $perm_name);
-      $project->project['maintainers'][$maintainer->uid]['permissions'][$perm_name] = $maintainer->$db_field;
+      $maintainers[$maintainer->uid]['permissions'][$perm_name] = $maintainer->$db_field;
     }
   }
+
+  // Invoke hook_project_maintainer_project_load(). We can't use
+  // module_invoke_all() since we want a reference to the $maintainers array.
+  foreach (module_implements('project_maintainer_project_load') as $module) {
+    $function_name = $module . '_project_maintainer_project_load';
+    $function_name($nid, $maintainers);
+  }
+
+  return $maintainers;
+}
+
+/**
+ * Implement hook_load().
+ */
+function project_project_load($node) {
+  $additions = db_fetch_array(db_query('SELECT * FROM {project_projects} WHERE nid = %d', $node->nid));
+  $project = new stdClass;
+  $project->project = $additions;
+  $project->project['maintainers'] = project_maintainer_project_load($node->nid);
+
   return $project;
 }
 
diff -u release/project_release.module release/project_release.module
--- release/project_release.module	13 Aug 2010 17:17:54 -0000
+++ release/project_release.module	13 Aug 2010 17:46:30 -0000
@@ -172,6 +172,19 @@
 }
 
 /**
+ * Implement hook_project_maintainer_project_load()
+ */
+function project_release_project_maintainer_project_load($nid, &$maintainers) {
+  $query = db_query('SELECT u.uid, u.name, prpm.administer_project_releases FROM {project_release_project_maintainer} prpm INNER JOIN {users} u ON prpm.uid = u.uid WHERE prpm.nid = %d', $nid);
+  while ($maintainer = db_fetch_object($query)) {
+    if (empty($maintainers[$maintainer->uid])) {
+      $maintainers[$maintainer->uid]['name'] = $maintainer->name;
+    }
+    $maintainers[$maintainer->uid]['permissions']['administer project releases'] = $maintainer->administer_project_releases;
+  }
+}
+
+/**
  * Implement of hook_form() for project_release nodes.
  */
 function project_release_form(&$release, &$form_state) {
@@ -925,15 +938,6 @@
       $node->project_release['project_release_show_snapshots'] = TRUE;
     }
   }
-
-  // Also load project_release project maintainer info.
-  $maintainers = db_query('SELECT u.uid, u.name, prpm.administer_project_releases FROM {project_release_project_maintainer} prpm INNER JOIN {users} u ON prpm.uid = u.uid WHERE prpm.nid = %d', $node->nid);
-  while ($maintainer = db_fetch_object($maintainers)) {
-    if (empty($node->project['maintainers'][$maintainer->uid])) {
-      $node->project['maintainers'][$maintainer->uid]['name'] = $maintainer->name;
-    }
-    $node->project['maintainers'][$maintainer->uid]['permissions']['administer project releases'] = $maintainer->administer_project_releases;
-  }
 }
 
 /**