The architectural practice known today as Eggemeyer Associates Architects, Inc. was initially established September 1, 1960 in Carbondale, Illinois as Fischer-Hermeling, Architects and Designers. The firm was incorporated in the State of Illinois in May of 1961. In 1971, when Architect William H. Stein became a principal, the firm was renamed Fischer-Stein Associates, Inc. In 1980, Architect Andrew L. Eggemeyer became the third principal of the firm. Upon the withdrawal of Architect Hans Fischer in June 1990, the firm name became Stein/Eggemeyer on 1 September 1990 and relocated to its present office. In mid-1998, when William Stein retired, Andrew Eggemeyer became the Corporate President, and on January 1, 2000, the corporate name was changed to Eggemeyer Associates Architects, Inc. In October of 2004, Mark B. Dillon became a principal and Vice-President of the company.

The firm has been responsible for the design of building projects in Illinois, Indiana, Kentucky, Missouri and Florida during its more than forty-year existence. Projects, encompassing both new construction and renovation/restoration work, including schools, libraries, correctional facilities, residences, nursing homes, hospitals, office buildings, laboratories, dormitories, supermarkets, stores, shopping centers, churches, jails, courthouses, multi-family Housing units, financial institutions, fire and police stations, industrial plants and warehouses, restaurants and college and university buildings. Clients have included individuals, local, state and federal governmental agencies and institutions as well as private industrial and commercial interests. 

In 1997, the Firm renovated the Metropolis City Hall that included pointing of brick, reroofing, constructing an exit stair from second floor, ADA upgrades to public toilets, new finishes in public areas, repairing steel lintels, and remodeling the City Clerk's Office.

With a staff of eight full-time and four part-time professionals, the firm today has broad capabilities in:

Programming and design of single buildings and of complex, multi-building projects

Design development of building structural, architectural and environmental systems

Administration of construction. Areas of special expertise include rehabilitation, remodeling and site improvements.