2457 Wehrle Drive, Williamsville, New York 14221, USA

The Casilio Companies

2457 Wehrle Drive, Williamsville, New York 14221, USA


The Casilio Companies operate as a full service concern for Construction, Construction Management, Real Estate Development, Real Estate Brokerage, Facility Planning and Property Management.

Founded by Pat Casilio in 1965, P.A.T. Construction Inc. was the beginning of the Casilio’s Commercial and Industrial Construction Company. Today the Casilio Companies, with P.A.T. Construction Management, and Casilio Real Estate and Development Company, Inc., are composed of professional estimators, project managers, field supervisors, real estate developers, property managers, real estate analysts, and financiers. The company currently has 50 full-time employees.

Since its founding, the Companies have developed over 30 million square feet of space. Construction and Real Estate Development projects run the gamut from a $20 million computer center, to medical surgical units, schools and institutional buildings, manufacturing plants, corporate offices and everything in between.

The President of Casilio Companies, Mary Powell, operates Construction Services Group of Upstate NY Inc., a woman owned business in General Construction, Site Development, and Trucking.

In demonstrating our ability to manage complex projects, it is easy to say that we have been doing so successfully since 1965. To be more specific, it is best to offer existing projects as examples. Please see Photos and Testimonials.

As a full-service group, our companies are one of the only firms in Western New York which offers 100% return of the cost savings to owners. The Casilio’s have developed a first class team in Construction Management, General Construction, and Real Estate, implementing fast track and cost saving approaches.

Casilio Companies, with several ties in Western New York and across New York State and Pennsylvania, has corporate offices at 2457 Wehrle Drive in the Town of Williamsville, New York.


2457 Wehrle Drive, Williamsville, New York 14221, USA
2457 Wehrle Drive, Williamsville, NY 14221
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