Try this, I revised a number of different queries and credit goes out to everyone who helped me on this forum. Obviously match the field ID and event ID values to reflect your database. Have fun!
(SELECT u.userId AS UserID, u.type AS RegType,
GROUP_CONCAT(IF(m.field_id = 12, m.value, NULL)) AS Organization,
GROUP_CONCAT(IF(m.field_id = 2, m.value, NULL)) AS FirstName,
GROUP_CONCAT(IF(m.field_id = 3, m.value, NULL)) AS LastName,
GROUP_CONCAT(IF(m.field_id = 10, m.value, NULL)) AS Email,
GROUP_CONCAT(IF(m.field_id = 11, m.value, NULL)) AS Phone,
GROUP_CONCAT(IF(m.field_id = 23, SUBSTRING_INDEX(SUBSTRING_INDEX(f.values, '|', CAST(m.value AS UNSIGNED)+1),'|',-1),NULL)) AS Poll,
GROUP_CONCAT(IF(m.field_id = 21, SUBSTRING_INDEX(SUBSTRING_INDEX(f.values, '|', CAST(m.value AS UNSIGNED)+1),'|',-1),NULL)) AS "Sales Rep",
u.register_date AS RegDate,
u.confirmNum AS Confirm#
FROM jos_dtregister_user u
LEFT JOIN jos_dtregister_group_member g ON g.groupUserId = u.userId
INNER JOIN jos_dtregister_member_field_values m ON m.member_id = g.groupMemberId
INNER JOIN jos_dtregister_group_event e ON e.slabId = u.eventID
INNER JOIN jos_dtregister_fields f ON m.field_id = f.id
WHERE u.eventID = 25
GROUP BY m.member_id)
UNION
(SELECT u.userId AS UserID, u.type AS RegType,
GROUP_CONCAT(IF(v.field_id = 12, v.value, NULL)) AS Organization,
GROUP_CONCAT(IF(v.field_id = 2, v.value, NULL)) AS FirstName,
GROUP_CONCAT(IF(v.field_id = 3, v.value, NULL)) AS LastName,
GROUP_CONCAT(IF(v.field_id = 10, v.value, NULL)) AS Email,
GROUP_CONCAT(IF(v.field_id = 11, v.value, NULL)) AS Phone,
GROUP_CONCAT(IF(v.field_id = 23, SUBSTRING_INDEX(SUBSTRING_INDEX(f.values, '|', CAST(v.value AS UNSIGNED)+1),'|',-1),NULL)) AS Class,
GROUP_CONCAT(IF(v.field_id = 21, SUBSTRING_INDEX(SUBSTRING_INDEX(f.values, '|', CAST(v.value AS UNSIGNED)+1),'|',-1),NULL)) AS "Sales Rep",
u.register_date AS RegDate,
u.confirmNum AS Confirm#
FROM jos_dtregister_user u
INNER JOIN jos_dtregister_user_field_values v ON v.user_id = u.userId
INNER JOIN jos_dtregister_group_event e ON e.slabId = u.eventID
INNER JOIN jos_dtregister_fields f ON v.field_id = f.id
WHERE u.eventID = 25
GROUP BY u.userID)
ORDER BY RegDate DESC, Organization DESC, FirstName