Ark Construction Management LLC

Wohlsen Construction Company is one of the leading construction services companies in the mid-Atlantic states. The company operates in Pennsylvania, Delaware, Maryland and New Jersey. Herman Wohlsen, a German immigrant, founded the company in 1890. Construction services include general contracting, construction management, design-build and facilities services. The private company employs nearly 200 people. Wohlsen Construction Company is based in Lancaster, Pa.

Whiting-Turner Contracting Company is a financially independent company. The company is a domestic general building and engineering firm. Whiting-Turner serves corporate, private and institutional clients on projects regardless of size, scope or location. The company also commits to projects over a diverse range of market segments, such as biotechnology and pharmaceutical, education, entertainment, health care, industrial and manufacturing, lodging and hospitality, retail, senior living, business office, corporate headquarters, warehouse and distribution facilities. Whiting-Turner has a nationwide quality control network; in-house specialists for concrete and steel placement, as well as mechanical and electrical analysis; and industry coordinators in various areas, such as health care, biotechnology and retail to provide project-specific planning. Whiting-Turner Contracting Company maintains headquarters in Baltimore.