Fact Sheet

Corporate headquarters:

Hanson Professional Services Inc.
1525 S. Sixth St.
Springfield, IL 62703
(217) 788-2450
Fax: (217) 788-2503


Hanson’s mission is to help our clients succeed in meeting their business- or government-sector goals by providing quality professional engineering, planning and allied services while protecting the public and environment. Additionally, we provide our clients with environmentally sensitive options through our knowledge and implementation of sustainable design practices.


As a full-service consulting firm, Hanson provides a wide range of engineering, planning and allied services

Company History

In 1954, Walter E. Hanson founded the company in Springfield, Illinois, and the firm’s name has changed throughout the years. Past firm names include W.E. Hanson and Associates (1954-1956); Hanson, Collins and Rice (1956-1961); Walter E. Hanson and Co. (1961-1972); Hanson Engineers Inc. (1972-2001) and Hanson Professional Services Inc. (2001-present). Read more about Hanson's history

Employees and office locations

We have more than 500 employees in offices across the U.S.


We are proud to be an employee-owned company. Learn more about our benefits.

Company Structure

Hanson provides services from six strategic markets: aviation, government, industry, infrastructure, power and railway.

Project Locations

Our firm has completed projects in every U.S. state and nearly 100 projects in more than 40 countries around the world.


Sergio “Satch” A. Pecori, P.E., chairman and CEO
Jeff Ball, P.E., F.ASCE
, president, chief operating officer and markets leader
Ronda K. Folkerts
, executive vice president, chief financial officer and treasurer


Hanson has received a variety of corporate, project and leadership awards.  Please visit our Hanson Awards section for more detailed information.