Wind Point Partners-backed Nelson Global Products, a manufacturer and marketer of auto parts, completed the acquisition of Commercial Tube Processing, an OEM and sheet metal manufacturer. Financial terms were not disclosed. "The combination of CTP's superior capabilities and capacity with Nelson's global operations and product engineering, better positions us to accelerate growth and better support our global customers. CTP is a well-known and respected Tier 1 supplier and Nelson is committed to continuing CTP's success," Steve Scgalski, Nelson CEO.