Lisa Zeiler Joiner

Hanson Ltd. supplies and distributes building materials to the construction industry. It produce aggregates, ready-mixed and precast concrete, asphalt, cement and cement-related materials, bricks and a range of building products. The firm is split into five business lines which include Hanson aggregates, Hanson concrete, Hanson asphalt and contracting, Hanson cement and Hanson building products. Hanson aggregates produces and distributes crushed rock, sand and gravel from a network of quarries, depots and wharves; Hanson concrete is the supplier of ready-mixed concrete; Hanson asphalt and contracting brings together management of asphalt production sites and a national road surfacing and infrastructure contracting business; Hanson cement is a manufacturer of Portland cement, both in bulk and in bags, and produces regen; and Hanson building products is one of the producers of clay bricks and also makes thermalite and aggregate blocks. The company was founded by James Edward Hanson and Gordon White in 1964 and is headquartered in Maidenhead, the United Kingdom.

McDonald Group, Inc is a private investment company. The company is based in Birmingham, AL. The CEO of the company is John McDonald.

Arlington Partners LLC is a SEC-registered investment advisor and multi-family office headquartered in Birmingham, Alabama. The firm was founded by Kenneth Polk in 1998 and is owned by Arlington Holdings LLC. Arlington Partners offers family office services to multigenerational families of significant net worth.

The John & Mable Ringling Museum of Art offers art and cultural collections. The company was founded by John Nicholas Ringling and Mable Burton Ringling and is headquartered in Sarasota, FL.