10 Largest gas stations in Illinois in 2026 Based on Locations
The largest gas stations in Illinois in 2026
Shell, Exxon Mobil and Citgo are the largest gas stations in Illinois in 2026 based on the number of locations. Shell has the most number of locations with 658 locations across 309 cities. Exxon Mobil has 444 and Citgo has 194 locations in Illinois. These three together make 72.28% of the top 10 gas stations in Illinois.
| Rank | Brand | Number of Locations in Illinois | Cities Present In | Download Dataset | |
|---|---|---|---|---|---|
| #1 |
|
Shell | 658 | 309 | |
| #2 |
|
Exxon Mobil | 444 | 196 | |
| #3 |
|
Citgo | 194 | 91 | |
| #4 |
|
Marathon Petroleum | 170 | 122 | |
| #5 |
|
Phillips 66 | 153 | 123 | |
| #6 |
|
Amoco | 64 | 49 | |
| #7 |
|
Conoco | 41 | 39 | |
| #8 |
|
Pilot Flying J | 40 | 37 | |
| #9 |
|
Roady's | 15 | 15 | |
| #10 |
|
TravelCenters of America | 14 | 13 |
Disclaimer: Brand logos are used for visual representation only and do not imply endorsement or affiliation.
Learn more about top gas stations in Illinois
Shell
Shell has 658 locations in Illinois. Read the detailed locations report of Shell in the United States. You can even instantly buy the entire dataset by clicking below.
Buy Dataset
Exxon Mobil
Exxon Mobil has 444 locations in Illinois. Read the detailed locations report of Exxon Mobil in the United States. You can even instantly buy the entire dataset by clicking below.
Buy Dataset
Citgo
Citgo has 194 locations in Illinois. Read the detailed locations report of Citgo in the United States. You can even instantly buy the entire dataset by clicking below.
Buy Dataset
Marathon Petroleum
Marathon Petroleum has 170 locations in Illinois. Read the detailed locations report of Marathon Petroleum in the United States. You can even instantly buy the entire dataset by clicking below.
Buy Dataset
Phillips 66
Phillips 66 has 153 locations in Illinois. Read the detailed locations report of Phillips 66 in the United States. You can even instantly buy the entire dataset by clicking below.
Buy Dataset
Amoco
Amoco has 64 locations in Illinois. Read the detailed locations report of Amoco in the United States. You can even instantly buy the entire dataset by clicking below.
Buy Dataset
Conoco
Conoco has 41 locations in Illinois. Read the detailed locations report of Conoco in the United States. You can even instantly buy the entire dataset by clicking below.
Buy Dataset
Pilot Flying J
Pilot Flying J has 40 locations in Illinois. Read the detailed locations report of Pilot Flying J in the United States. You can even instantly buy the entire dataset by clicking below.
Buy Dataset
Roady's
Roady's has 15 locations in Illinois. Read the detailed locations report of Roady's in the United States. You can even instantly buy the entire dataset by clicking below.
Buy Dataset
TravelCenters of America
TravelCenters of America has 14 locations in Illinois. Read the detailed locations report of TravelCenters of America in the United States. You can even instantly buy the entire dataset by clicking below.
Buy Dataset
Note: To ensure accurate industry categorization, we utilize NAICS codes, which classify businesses by their main economic activity. As a result, companies may appear in different industry location reports based on their primary NAICS classification. For instance, Walmart is classified as a department store under NAICS.
Download this data in any format
We provide all of our data sets as an Excel / CSV file. Please contact us if you need this POI dataset as JSON, Esri Shapefile, GeoJSON, KML (Google Earth) or any other custom format at an additional cost per format.Contact Sales