Solar contractor activity in Chicago, IL

Ranked by the number of available solar permit records associated with each business in Chicago, IL since March 2026. This is public-record activity, not an editorial or pay-to-play ranking.

Rank	Contractor	Published record count	Record context
#1	SUNRUN INSTALLATION SERVICES	413 records	Published history
#2	CERTIFIED ELECTRIC LLC	70 records	Published history
#3	SUNRISE SOLAR LLC	42 records	Published history
#4	ION DEVELOPER LLC	27 records	Published history
#5	WINDFREE WIND + SOLAR ENERGY DESIGN COMPANY	22 records	Published history
#6	UNITY SOLAR GROUP LLC	19 records	Published history
#7	JDK ACQUISTIONS LLC	16 records	Published history
#8	CERTASUN LLC	16 records	Published history
#9	NEXT BUILDERS INC DBA AMERICAN ENERGY SYSTEMS INC	14 records	Published history
#10	WINDSOLEIL INCORPORATED	6 records	Published history
#11	MEDLOCK CONSTRUCTION INC	6 records	Published history
#12	VOLT LLC	6 records	Published history
#13	FREEDOM FOREVER ILLINOIS LLC	5 records	Published history
#14	THE CORTESE ENERGY COMPANY LLC	5 records	Published history
#15	AILEY SOLAR ELECTRIC INC	5 records	Published history
#16	ECO SPARK ENERGY LLC	5 records	Published history
#17	SESENERGI ECO SOLUTIONS ENTERPRISE LLC	4 records	Published history
#18	KAPITAL ELECTRIC CO., INC	3 records	Published history
#19	OFF GRID ENERGY SOLUTIONS DBA AVEYO	2 records	Published history
#20	TRON SOLAR, LLC	2 records	Published history

Review the available solar permit records

See the newest available source date and the fields the public source publishes for Chicago, IL. A permit is evidence of project activity, not a recommendation or a promise that every record includes contact information.

Review Chicago, IL permits

How B2B teams use permit activity

Suppliers, software vendors, and market researchers can use permit activity to identify businesses associated with recent work. The source record does not measure workmanship, customer satisfaction, or contractor suitability.

Activity is source-published. A listed business is associated with available public permit records, rather than a paid placement.
Counts are scope-specific. They reflect this city's available permit inventory and the selected date window, not all of a contractor's work.
Fields vary by jurisdiction. Public sources may omit a contractor, owner, address, cost, or contact field on any given record.

Use the Chicago, IL record page to review the available records, source date, permit types, and fields for this market.

For solar contractors: how to land on this list

If you run a solar business in Chicago, IL and don't see your company name here, the available source records may not contain a matching name in this city and date window.

The source may not publish a contractor or applicant name for the relevant records.
A record may use a different business, applicant, or licensee name than the one you searched.

This list is not a statement about current operations, service availability, or contractor quality. PermitGrab lets you review source-published record context where the market provides it. Review Chicago, IL source coverage →

Frequently asked

How is this record list calculated?

We count available source-published solar records in Chicago, IL over the displayed date window, group them by the published business name, and sort descending. There is no editorial weighting or paid placement. It is not an exhaustive contractor directory.

Where does the permit data come from?

The linked market page identifies the publishing jurisdiction, newest displayed record date, and available fields. Source dates and field coverage vary by jurisdiction; review the Chicago, IL source details before relying on a time-sensitive workflow.

How is this different from a review directory?

This page summarizes available public-record history for a selected city and trade. Review directories summarize user experiences. Neither one establishes current availability, workmanship, or a recommendation; use the source fields and your own diligence for the decision at hand.

Why is contractor X not on this list?

The available records may not contain that exact name, the source may omit names, or a different applicant or licensee name may appear. This is not a conclusion about a business's current work. The full source-bound search interface is on the Chicago, IL record page.

I'm a solar contractor — how do I use this?

Review the published names, record types, dates, and available project fields in your service area. Confirm the source date and field coverage on the market page before acting; current plan terms are shown during signup.