Local Help

Marengo-Union Chamber of Commerce
The Chamber will give you a leg up on networking, local information, and advertising. The Chamber also has a bulk mailing permit available to its members and can certify your products country of origin if you need to ship to other nations. If you are doing business in the Marengo area this organization is here for you.
Marengo Main Street Inc.
Marengo Main Street, Inc. is a member of the nonprofit Illinois Main Street program. Their goal is to stimulate community pride, preserve historic buildings, and keep businesses in business. Having a unique, local place to shop will benefit not only the business and building owners, but also the entire community.
McHenry County Economic Development Corporation (MCEDC)
The MCEDC is the official economic development entity in McHenry County. They will be able to assist you with many of your business needs.
Illinois Small Business Development Center - McHenry Community College
The McHenry Community College has a Small Business Development Center which will assist all small businesses by providing consulting services, training programs, and giving you someone to sit down with and talk about any issues you are having with your business. 
Service Core of Retired Executives (SCORE)
SCORE is a non-for-profit group of former business executives who educate entrepreneurs nation wide. SCORE has offices in Rockford, Lisle and Chicago.




Police Dept: 815-568-7231
City Hall: 815-568-7112

Garage Sales Require Permit

Marengo City Vehicle Stickers are required within 30 days of vehicle purchase