"made by local" is a correct and usable phrase in written English.
You can use this phrase to refer to things made locally, for example "This homemade jam is made by local farmers".
Great handmade gifts made by local artists.
Nominally, appointments are made by local party committees.
Virtually all decisions about development were made by local officials.
He claimed sacrifices were made by local Indians to a gigantic idol of an ape.
One woman had provided presents, and Christmas cards made by local schoolchildren were being handed out.
The machines that fill, pack and label the bottles of Zymil were made by local firms.
All appliances and some furniture, much of it made by local cabinetmakers, are available for purchase.
Consider three comments, all made by local councillors, about the policy.
The majority were made by local craftsmen, though some of the designs originated elsewhere.
At Fremont, students run a thriving business selling nutritious food made by local merchants.
But it's the place to go for authentic crafts made by local artists and artisans.
