SQL TOP N - Multiple rows into multiple columns

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SQL-Server-2008R2

I have code to produce the rows that I need to then represent into columns.

Current Code is:

SELECT l.item_no As Item, l.cus_no AS Customer, SUM(l.qty_to_ship) AS QtySold, COUNT(l.qty_to_ship) AS FreqSold, AVG(l.qty_to_ship) AS AvgSold
FROM oelinhst_sql l
LEFT OUTER JOIN oehdrhst_sql h ON h.ord_type = l.ord_type AND h.ord_no = l.ord_no AND h.inv_no = l.inv_no
WHERE l.item_no IN
(SELECT TOP 5 l2.item_no FROM oelinhst_sql l2 WHERE l2.item_no = l.item_no AND h.inv_dt >= '9/1/2015' AND h.inv_dt <= '9/30/2015' ORDER BY l2.item_no)
AND h.inv_dt >= '9/1/2015' AND h.inv_dt <= '9/30/2015'
GROUP BY l.item_no, l.cus_no
ORDER BY l.item_no, SUM(l.qty_to_ship) DESC

Which will produce:

Item	Customer	QtySold	FreqSold	AvgSold
100238	TAS                 	173	1	173
100238	SCL                 	14	1	14
100238	AJG                 	12	1	12
100240	AJG                 	15	1	15
100243	TAS                 	200	1	200
100243	AJG                 	16	1	16
100252	AJG                 	12	1	12
100260	AJG                 	12	1	12
100320	AJG                 	10	1	10
100324	AJG                 	10	1	10
100325	AJG                 	10	1	10
100329	AJG                 	10	1	10
100488	AJG                 	10	1	10
100508	NBK                 	2	1	2
100512	NBK                 	6	1	6
100907	AJG                 	22	1	22
102314	SCK                 	3	1	3
103093	SCK                 	15	1	15
103205	HOU                 	7	1	7

What I need to produce from that is something like this:

Item	Cust 1	Qty 1	Freq 1	Avg 1	Cust 2	Qty 2	Freq 2	Avg 2	Cust 3	Qty 3	Freq 3	Avg 3
100238	TAS	173	1	173	SCL	14	1	14	AJG	12	1	12
100240	AJG	12	1	15								
100243	TAS	200	1	200	AJG	16	1	16				

Note that not all items have 5 customers buying them so the top 5 may yield only 1-4 customers...those extra columns will remain blank.

Also, only showing Columns above for top 3 but really need top 5.

Any ideas would be greatly appreciated!