Software development in Illinois

2,395 software development listed across 267 cities in Illinois.

Quick answer

USA Business Search lists 2,395 software development in Illinois. The most are in Chicago (954), Naperville (109), Schaumburg (104).

Updated October 2026

Software development by city

Chicago (954)Naperville (109)Schaumburg (104)Evanston (34)Elgin (30)Downers Grove (30)Northbrook (29)Lisle (28)Aurora (27)Rolling Meadows (26)St. Charles (25)Oak Brook (25)Springfield (22)Arlington Heights (22)Peoria (21)Champaign (21)Rockford (20)Des Plaines (19)Buffalo Grove (18)Wheaton (17)Oakbrook Terrace (17)Skokie (16)Hoffman Estates (16)Lombard (15)Itasca (15)Glenview (14)Palatine (14)Urbana (14)Deerfield (14)Warrenville (14)Elmhurst (13)Park Ridge (13)Glen Ellyn (13)Rosemont (13)Bloomington (12)Elk Grove Village (12)Crystal Lake (11)Mount Prospect (11)Lake Forest (11)Lincolnshire (11)Oak Park (10)Geneva (10)Bloomingdale (10)Joliet (8)Libertyville (8)Highland Park (8)Wheeling (8)Belleville (7)Bolingbrook (7)Carbondale (7)Normal (7)Woodridge (7)Burr Ridge (7)Willowbrook (7)Orland Park (6)Edwardsville (6)Carol Stream (6)Loves Park (6)Lake Zurich (6)West Chicago (6)Roselle (6)Westchester (6)Plainfield (5)Addison (5)Gurnee (5)Barrington (5)Niles (5)McHenry (5)Oswego (5)Mundelein (5)Westmont (5)Vernon Hills (5)Bensenville (5)Bartlett (5)Glendale Heights (5)Northfield (5)Decatur (4)Moline (4)Marion (4)Cicero (4)Algonquin (4)Hinsdale (4)Batavia (4)Ottawa (4)Rock Island (4)Grayslake (4)Romeoville (4)Wilmette (4)Morton Grove (4)Wood Dale (4)Cary (4)Lake In The Hills (4)Columbia (4)Countryside (4)Waukegan (3)Quincy (3)Tinley Park (3)Alton (3)Mokena (3)Pekin (3)Melrose Park (3)Mount Vernon (3)Homewood (3)Streamwood (3)Machesney Park (3)Homer Glen (3)East Moline (3)Hillside (3)La Salle (3)Wood River (3)Bannockburn (3)Deer Park (3)University Park (3)Oak Lawn (2)Frankfort (2)Woodstock (2)Kankakee (2)Freeport (2)Villa Park (2)Granite City (2)

Well-documented software development in Illinois

A sample of listings with a street address, phone number and website, one per city.

Workday

111 Jackson Blvd 23rd floor, Chicago, IL 60604 · Claim or fix

Call (925) 951-9000 Website

Azuba

40 Shuman Blvd, Naperville, IL 60563 · Claim or fix

Call (630) 884-1000 Website

Bitwise Inc

1475 E Woodfield Rd Ste 200, Schaumburg, IL 60173 · Claim or fix

Call (847) 969-1500 Website

ANSYS, Inc.

1007 Church St Ste 250, Evanston, IL 60201 · Claim or fix

Call (847) 491-0200 Website

Digital R-e-d

1270 Abbott Dr # 100, Elgin, IL 60123 · Claim or fix

Call (630) 326-9954 Website

Microsoft

3025 Highland Pkwy, Downers Grove, IL 60515 · Claim or fix

Call (630) 810-1602 Website

Diplex Technologies Inc.dba Global Point

899 Skokie Blvd Ste 520, Northbrook, IL 60062 · Claim or fix

Call (847) 464-3900 Website

NetZoom, Inc.

3030 Warrenville Rd Ste 225, Lisle, IL 60532 · Claim or fix

Call (630) 281-6464 Website

Kopy Kat Copier, Inc./ Kkc Imaging Systems

1550 N Farnsworth Ave, Aurora, IL 60505 · Claim or fix

Call (630) 851-9822 Website

Digilab Inc.

2118 Plum Grove Rd PMB 320, Rolling Meadows, IL 60008 · Claim or fix

Call (224) 836-1763 Website

Smart Source Inc.

3813 Illinois Ave, St. Charles, IL 60174 · Claim or fix

Call (630) 818-1052 Website

Kramer Datapower, Inc.

1000 Jorie Blvd Ste 200, Oak Brook, IL 60523 · Claim or fix

Call (847) 255-3140 Website

How to choose a software company in Illinois

Ask who will actually do the work and how often you'll hear from them.
Get the scope, price and timeline in writing.
Ask for two references from clients like you.

Common questions

How many software development are listed in Illinois?

USA Business Search lists 2,395 software development in Illinois, in 267 cities and towns.

Which Illinois cities have the most software development?

Chicago (954), Naperville (109), Schaumburg (104), Evanston (34), Elgin (30).

How do I verify a Illinois business?

Use the state's official business search and licensing boards, linked in our Illinois business lookup guide.

Software development nationwide Illinois directory