Businesses in Harmon, Illinois
9 local businesses across 7 categories. 0% of everything listed in Illinois.
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Quick answer
Harmon, IL has 9 businesses listed on USA Business Search in 7 categories across 1 ZIP code. The most-listed are churches & places of worship, restaurants, mexican restaurants.
Updated October 2026Marketing & advertising
Food & drink
Business & industrial
Community & faith
Businesses in Harmon by category
Churches & places of worship (3)
Restaurants (1)
Leprechaun's
Mexican restaurants (1)
Luchadores Mexican Grill
Manufacturing & wholesale (1)
Addison Automatics Inc
Nonprofits & community (1)
Bootleg Astronomy
Farms & agriculture (1)
Sunny Ridge Family Farms
Advertising agencies (1)
Northern Grain Marketing
Common questions
How many businesses are listed in Harmon, Illinois?
USA Business Search lists 9 businesses in Harmon across 7 categories. The most-listed are churches & places of worship, restaurants, mexican restaurants.
Which ZIP codes does Harmon cover?
Listings include ZIP codes 61042.
How do I check that a Harmon business is legitimate?
Search the state's business registry and licensing boards. Our Illinois business lookup guide links each official search.
How do I add my business?
It's free: use Add your business. Owners can also claim and fix an existing listing.
Other Illinois cities
Own a business in Harmon? Add it free or claim your listing.