$services = sc_query("
SELECT
	sm.record_number AS rn
	,sm.Method
	,sc.Name AS Courier
FROM
	Shipping_Methods sm
LEFT JOIN
	Shipping_Couriers sc
ON
	sm.Courier = sc.record_number
ORDER BY
	sc.Name ASC, sm.Method ASC
",MYSQL_ASSOC,1);

if(is_array($services)) {
	foreach($services as $service) {
		$options["$service[Courier] - $service[Method]"] = $service['rn'];
	}
}