Lead directory · Illinois

Local business leads in Naperville, IL

3,200+ Naperville businesses across 42 trades and services — phone numbers, 1,000+ email addresses and Google ratings.

Search Naperville freeBrowse by trade
3,200+
businesses
100%
have a phone number
33%
have an email address (1,000+)
—
average Google rating
By trade

What's in Naperville

TradeBusinessesWith emailAvg ratingNo website
Salons and spas337115—70
Restaurants32672—122
Financial advisors and lenders27499—48
Real estate offices25959—54
Consultants19068—45
Construction companies16565—45
Medical clinics15353—15
Law firms15170—26
Auto repair shops14656—36
Gyms and fitness studios14151—31
Marketing agencies13648—29
IT service companies12745—22
Insurance agencies11026—11
Cafes and bakeries8719—26
Daycares, tutors and schools7625—10
Dental clinics7026—7
Accounting firms6921—18
Vets and pet businesses6530—12
Car dealerships609—7
Bars and breweries5518—10
Photographers5114—9
Senior care providers458—7
Software companies4219—7
Staffing agencies2816—4
Home service businesses275—11
Cleaning companies2612—6
Car washes and detailers226—7
Moving and storage companies223—8
Hotels and inns216—3
Roofing companies2012—3
Optometrists and optical shops208—2
Landscaping companies187—3
Event and wedding businesses189—4
Plumbing companies153—4
Painting companies158—2
Locksmiths and security companies151—9
Med spas143—3
HVAC companies136—5
Barbershops60—3
Funeral homes52—0
Electrical contractors41—2
Pest control companies31—2
The market

Naperville at a glance

3,200+ local service businesses in Naperville in our database, refreshed October 2026.
33% publish an email address — 1,000+ you can reach by cold email.
727 have no website listed and 3,200+ have no Google rating yet.
0% of rated businesses hold 4.5★ or better.

Area codes

  • (630)2,800+
  • (331)180
  • (312)43
  • (815)39
  • (708)38
  • (847)31

A few Naperville businesses

  1. Los Burritos TapatiosRestaurants
  2. Law Offices of Edward P. GrahamLegal
  3. Belgios CateringRestaurants
  4. Goldner RichardLegal
  5. Auntie Carol's Whisker WatchersVeterinary & Pets
  6. Weber's Tree CuttingLandscaping
  7. The Collins Law Firm, P.C.Financial Services
  8. MRW Truck RepairAuto Dealers
Reaching out in the USB2B cold email is governed by CAN-SPAM: honest headers and subject lines, a physical address and an opt-out you honor. Phone outreach has its own rules, especially for cell phones. Read our CAN-SPAM guide and cold-calling rules before you start.

Nearby in Illinois

ChicagoSchaumburgRockfordSpringfieldArlington HeightsAuroraNorthbrookPeoriaDowners GroveOrland ParkAll cities →

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