Tank Holding Co., North America's largest rotational molder, has made its 20th deal in the last three years, this time acquiring rotational molder Solar Plastics LLC of Delano, Minn.
For rotational molders, this year's ranking shows larger volumes and higher prices. The average sales per company is up 15 percent, and the total related sales for our 106 ranked firms is $2.9 billion, up 14 percent over last year.