| 1970 |
| A Box Plant in Lakeville Begins Operations |
| A newly constructed box plant at Lakeville, Minnesota, begins operations. |
| 1971 |
| An Interest in Poly Hi Incorporated is Acquired |
 Menasha acquires an interest in Poly Hi Inc. of Fort Wayne, Indiana. Poly Hi (today's Poly Hi Solidur business) processes and markets a new plastic that is ultra-high molecular weight (UHMW) polyethylene and is supplying UHMW sheet to Menasha's Appleton Manufacturing Division. |
| 1972 |
| A Box Plant in Hartford is Acquired |
| The corporation acquires a box plant in Hartford, Wisconsin, and calls it the Color Division. Producing corrugated containers, this division specializes in printing color and graphics on its boxes to make them stand out, display and sell products. This division is an early entree into Menasha's current Promotional Graphics businesses. |
| 1973 |
| The Plastics Container Plant of G.B. Lewis Begins Operations |
 The Monticello, Iowa, plastic container plant of G.B. Lewis Company, begins operations. |
| 1973 |
| Menasha Opens a Convoy Pallet Plant |
 Menasha Corporation opens a convoy pallet plant in Menasha, Wisconsin, the only plant in the industry devoted exclusively to making plastic pallets. It is now part of the company's ORBIS Division. |
| 1974 |
| Menasha Acquires Crown Corrugated Containers |
| Menasha acquires Crown Corrugated Containers (a predecessor of today's Yukon Packaging plant) of Greensburg, Pennsylvania. |
| 1974 |
| A Wood Fiber Plant is Built |
| A wood fiber plant is built in Centralia, Washington. |
| 1975 |
| Full Ownership Was Gained of G.B. Lewis Company |
| The corporation acquires full ownership of G.B. Lewis Company and renames it the LEWISystems Division (today known as ORBIS Division). The G.B. Lewis Company develops a custom molding business, which later becomes known as Menasha's Molded Products Division. This business makes golf cart hoods, basketball backboards and other fiberglass-reinforced components. |
| 1977 |
| Menasha Acquires Full Ownership of Its Poly Hi Business |
 Menasha acquires full ownership of its Poly Hi business. |
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