ACA Engineering, incorporated in 1996, provides comprehensive engineering services to private firms, governmental agencies and large corporations. The company provides geotechnical solutions, environmental services, and professional construction testing and inspection services. Its staff of engineers and technicians have combined experience of more than 100 years in various areas of engineering and inspection. The company maintains an in-house soil and concrete laboratory for testing of materials. The United States Calibration of Cochranton, calibrates its state-of-the-art equipment on an annual basis. The firm is certified by the Cement and Concrete Reference Laboratory, American Association of State Highway and Transportation Officials Materials Reference Laboratory, and the U.S. Army Corps of Engineers. ACA Engineering has its headquarters in Pittsburgh.
D'Appolonia provides engineering and construction management services for projects that involve large civil works and special earth/structure interaction issues. The company has served utilities, heavy industry, architects, engineers, government agencies, mine operators and commercial enterprises in more than 40 countries since it was founded in 1948. In addition to designs for new construction, much of D Appolonia s work involves stabilization and rehabilitation of failed civil works and structures, life extension and expansion for existing facilities and environmental remediation. When unanticipated conditions are encountered during construction, D'Appolonia is often retained to provide rapid response development of design modifications that minimize impact to schedules and budgets. Some of the company s clients include Austin Electric, Raytheon, Trumbull Corporation, the Army Corps of Engineers, JCPenney and Maple Creek Mining.
Closed now
Since 1998, Interstate Acquisition Services has been providing real estate acquisition services to public and private clients. Based in Pittsburgh, Pa., it provides a full range of real estate services to acquire property for public works projects. Interstate Acquisition Services offers services, such as property acquisition, appraisal services, project and property management, relocation assistance as well as title/closing services. In addition to acquisition-related activities, the company has fulfilled numerous subcontracting assignments for engineering firms in need of design support. Some of its completed projects include Pennsylvania Department of Transportation s Yellow Creek Bridge Project, Florida SR 78 Widening Project and Market Link Natural Gas Pipeline Storage Facility Widening. SAI Engineering, Mackin Engineering, HDR Engineers Inc. and S, P & K Engineering Inc. are the firm s partners.
