Since its founding as Elkhart Container in 1985, Welch Packaging has grown as a multigenerational, family-owned business while keeping local relationships at the center of its work. The company now supports customers through a broad network of corrugated manufacturing plants, producing custom packaging with much of its sheet material made in-house. Welch also extends that family culture into the communities around its facilities, partnering with more than 250 local organizations.
Graphic Measures International (GMI) certification
certification
Sustainable Forestry Initiative (SFI) Certified Sourcing Standard
certification
AIB auditing process approval for non-contract packaging
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Cambridge Packaging, IncFounded in 1982 by Dick and Peggy Knellinger in their home, Cambridge Packaging has grown into a southeastern Ohio manufacturer of custom corrugated boxes and distributor of packaging and shipping supplies. The family-run company now operates from a 134,000-square-foot Cambridge facility, producing more than 140 million square feet of corrugated material annually and serving the region for over 40 years. Its 75-plus employees support both packaging design and the manufacturing and shipping needs of local businesses.CAMBRIDGE, OH
Pro-Pak IndustriesFounded in 1948 as a wooden-crate supplier to Toledo’s Willys-Overland Motors, family-owned Pro-Pak Industries now manufactures corrugated packaging for industrial and commercial customers. A third generation of the Deiger family manages the Maumee company, which employs more than 200 people and operates two manufacturing locations with 150,000 square feet of warehouse space. Pro-Pak also holds ISO 9001 certification and provides integrated support from packaging design through delivery.MAUMEE, OH
UnicorrThird-generation family-owned and operated since 1946, Unicorr is known for responding to demanding packaging needs across the Northeast. It makes custom corrugated packaging for businesses that need reliable protection, presentation, and delivery support, while operating six manufacturing facilities and multiple satellite warehouses.BENSALEM, PA
Armor Packaging CorporationSince 1975, family-owned Armor Packaging Corporation has manufactured custom corrugated boxes in Lawrenceville, Georgia, while also distributing packaging supplies to businesses across the Southeast and nationwide. Its own corrugator and converting floor set it apart from a broker, while a second facility in Piedmont, South Carolina supports Upstate customers. Family-led operations pair in-house production with packaging engineering, warehousing, and just-in-time delivery under one supplier.MEDINA, OH