Praestare Engineering

York & Associates Engineering has been providing engineering, surveying/mapping, and technical services to governmental authorities, municipalities, commercial, industrial, and private sectors since 2003.​​​​​​​ We are committed to providing our clients the best solution to meet their needs in a ...

Poly, Inc. is an employee-owned consulting engineering and architectural firm founded in 1959 on the driving principle of seeking and building partnerships with clients. Our company philosophy has proven successful in that many of our clients have been with us for over five decades. Over 85% of our work is with repeat clients. These kinds of client partnerships are built by placing the client's interests first in arriving at efficient and effective design solutions. We have a skilled group of in-house professional engineers, architects, environmental consultants, designers, construction inspectors, surveyors and support staff ready to exceed your expectations on your next project!

Lear Siegler Services, also known as LSS, has been serving for more than 40 years. The company offers maintenance, modification, systems integration, logistics support and training services to government agencies and commercial customers. It provides training programs for U.S. army, air force and allied students. The company also serves the U.S. Army Aviation Center of Excellence, which is one of the largest helicopter flight training schools in the world. Lear Siegler Services additionally conducts a variety of graduate level programs for aviators from the United States and foreign countries. It maintains primary, advanced, safety, academic and quality control divisions. Its water survival division provides helicopter over-water survival training sessions. Lear Siegler Services also imparts lessons on basic warfighter skills.