Menasha Packaging Co. has acquired Rand Diversified, a contract packaging and fulfillment business based in Edison, N.J.

Terms were not disclosed.

The acquisition — which includes a design office and fulfillment center in Edison, along with fulfillment centers in Edwardsville, Ill., and Tobyhanna, Pa. — will strengthen Menasha’s geographic coverage, company officials said in a news release.

The firms have distinct capabilities, the release said. Rand has a strong focus on contract packaging and experience working with the Food and Drug Administration and the Drug Enforcement Administration; Menasha focuses on the food, household and personal-care markets, as well design, manufacturing, fulfillment and logistics services.

The acquisition will increase Menasha’s presence in the over-the-counter pharmaceutical and consumer packaged-goods markets, according to the release.

Menasha’s packaging includes corrugated cartons, shipping containers and point-of-purchase displays, largely out of paperboard.

The company now has 16 fulfillment centers and more than 2,300 employees.

Menasha Packaging, based in Neenah, Wis., is a subsidiary of Menasha Corp. Other Menasha holdings include Orbis Corp., a manufacturer of plastic reusable packaging, and marketing firm LeveragePoint Media.