PSI Services LLC

Hanson Professional Services is an employee-owned consulting firm that specializes in providing architecture, engineering, scientific and program management services to clients around the world. From design to construction, Hanson focuses on each stage of a project and each client s goals, budgets and timelines. In addition, more than half of its $44 million annual revenue is generated from transportation-related projects. These projects include highway and bridge design, traffic planning and airport development. And while transportation is an important part of its business, the company also focuses on designing a variety of buildings and facilities, including offices and industrial complexes, schools and universities, communications and electronic facilities and radio broadcast stations.

Productive Resources, LLC, based in Springfield, IL, is a comprehensive engineering firm that provides a wide range of services supporting the entire product lifecycle, from development to field support. Founded and led by engineers, the company emphasizes problem-solving and innovation, making it a trusted partner for clients across various industries. With over 20 years of experience, Productive Resources is recognized for its flexible engineering resources, which include short-term consulting and long-term engineering programs. The firm prides itself on customer collaboration, repeat client relationships, and maintains a strong commitment to transparency and integrity in all of its operations. Generated from the website

Quigg Engineering, Inc is a Transportation Engineering Consulting Firm founded in 2006 by Lori Quigg. Quigg Engineering, Inc will work together with the client, using practical experience and common sense to provide professional quality services; emphasizing technical details, accuracy, and professionalism. Our employees have over 90 years combined experience in Transportation, Design, Surveying and Special Studies. Our experience and size gives us the ability to give each clients project a special touch as principals and senior engineers oversee all projects. Quigg Engineering, Inc uses Microstation V8, Geopak, HCS+, Autoturn, HY8 and other required software. Quigg Engineering, Inc headquarters is located in Jacksonville, Illinois with a branch office in Belleville, Illinois.