Includes Lake, Porter, Newton, LaPorte, Jasper Counties; the northwest portion of the state near Chicago. Cities and towns include Gary, Hammond, Crown Point, Michigan City, and LaPorte.
- Al’ter E’go
- Alamo String Band
- Alexander, Mousey
- Allen and the Lads
- Anthony, El
- Aswa Records
- Aztex
- Baby Huey and the Babysitters
- Basooties
- Beaver Records
- Berkoski, Don
- Blue Angels
- Bothwell, Johnny
- Bradshaw, Jack
- Brand X
- Brim, John
- Broadway Music
- Bud Pressner Recording Studio
- Buzztones
- Carter, Harry
- Chances R
- Cirkit
- Club Dimensions
- Cobra Productions
- Collins, Johnita and Joyce
- Comay’s Records
- Condon, Eddie
- Crafty Hands
- Dallis, Chuck
- De’Besth
- Deep River Band
- Duncan, Herbie
- Dynamite Music
- Enchanting Enchanters
- Endd
- Erect Records
- Evans, Leon and His Combo
- Everyday People
- Fabulous Kings
- Fabulous Traits
- Falcon Records
- Five Crowns
- Foster, Billy
- Galabooches
- Genie Records
- Glenn Records
- Goldenrods
- Grapes
- Group, Inc.
- Hall, Billy
- Hallucinations
- Hammer the Jammers Records
- Hammond Civic Center
- Happiness – Is
- Harvest Records
- Hegewisch Records
- Higgins, Chuck
- Hitch-Hikers
- Holiday Star Theater (Star Plaza Theater)
- I.N.D.
- Jackson Five
- Jackson, Jackie
- Jackson, Janet
- Jackson, LaToya
- Jackson, Marlon
- Jackson, Michael
- Jackson, Randy
- Jackson, Rebbie
- Jackson, Tito
- Jewel
- Jones, Bustopher
- Keith, Gordon
- Kinsey Report
- Lazer Band
- Lee, General
- Lost Weekend
- Lost Weekend Records
- Mar-Vel Records
- Marshall Law
- Mazelle, Kym
- Mello-Tones
- Mutha Goose
- New World
- Nomads
- Nu-Tone Records
- O’Henry
- O’Neal, Alexander
- Omens
- Opals
- Orsi, Phil
- Oscar and the Majestics
- Outsiders
- Patterson, Don
- Patterson, Kellee
- Phase II Productions
- PJ and the Gentry aka PJ and the Gents
- Pressner, Bud aka Buddy Pressner
- Reed, Jimmy
- Region Records
- Rivieras
- Rocken Horse
- Ross, Johnny and the Soul Explosions
- Rubino’s Music and Sound
- S & J Stereo
- Seascape Records
- Senators
- Sigma Five
- Skafish
- Spaniels
- Staff Records
- Steeltown Records
- Stormy Weather
- Sunny Records
- Swinging Allusions
- Takers
- Todds
- Together
- Tyrant’s Reign
- Vamp
- Vee-Jay Records
- Washington, Lou D.
- Weese, Eddie
- Wilder, Lance
- Williams, Deniece
- World Column
- Yezda Urfa