William S. Berkley

Tension Envelope Corp. manufactures and sells envelopes. It offers commercial, involvement opening, and special use envelopes. The firm also provides customer website and direct mail components solutions. The company was founded by William Berkowitz in 1886 and is headquartered in Kansas City, MO.

Hall Family Foundation operates as a private philanthropic organization dedicated to enhancing the quality of human life. The company was founded by Joyce C. Hall, Joyce C. Hall and Rollie B. Hall in 1943 and is headquartered in Kansas City, MO.

The Envelope Manufacturers Association operates as a member-driven organization. It manufacturers and envelope printers, forms companies, packaging companies, market intermediaries and the suppliers that support these companies. The company is headquartered in Alexandria, VA.

MRIGlobal operates research and development organizations. The firm's programs include environmental research, health, pharmaceutical product development, agriculture & food safety, and national security, defense & energy. The company was founded in 1944 and headquartered in Kansas City, MO.

Tnemec Co., Inc. engages in the manufacture of coatings and coating systems for exterior and interior environments. It offers polyaspartic, epoxy, coal tar, acrylic, zinc rich, vinyl ester, insulation, and silane, siloxane and silicone. The company was founded by Albert C. Bean Sr. in 1921 and is headquartered in Kansas City, MO.

Greater Kansas City Community Foundation provides services for the downtrodden and homeless people. It also offers donor-advised funds. The company was founded by Ed Smith in 1978 and is headquartered in Kansas City, MO.