- M & M Ross
- MAAC Foundation (Multi Agency Academic Cooperative)
- MAAP Services for Autism
- Macaira O'Connell
- MacArthur Elementary
- Mackenzie Halas
- Maddie Blaney
- Maddie Nolan
- Maddie Royter
- Madison Coapstick
- Madison Dinga
- Madison Gaskins
- Madison Gresham
- Madison Ring
- Madison Wolff
- Madyson Ruzbasan
- Maggi Spartz
- Maggie Andrews
- Maggie Evans
- Mailyn Guifarro
- Make-a-Wish Foundation of Northwest Indiana
- Making Strides Against Breast Cancer
- Malika Saxena
- Mallory Fuller
- Mallory Stanage
- Mandel Smith
- Mandy Haack
- Manny Garcia
- Marc Ruiz
- March of Dimes, Indiana Chapter
- Marci Crozier
- Marcia Alexander
- Marco Hernandez
- Marcos Blount
- Maria Braun-Perez
- Maria Leontaras
- Maria Olympidis
- Maria Reiner Center
- Maria Sebastian
- Mariana Venturella
- Marilyn Loomis
- Marina Shores
- Marisa Johnson
- Marissa Brys
- Marissela Lynch
- Mark Ailes
- Mark Becker
- Mark Halliar
- Mark Heckler
- Mark Kolasa
- Mark Kosior
- Mark Mybeck
- Mark P. Johnson
- Mark Pastoret
- Mark Ruiz
- Mark Schreiber
- Marquette Catholic High School
- Marquette Park United Methodist Church
- Marram Health Center
- Marsha Moore
- Marti Masterson
- Martin T. Buinicki
- Marty Corley
- Marwa Nour
- Mary Allen
- Mary Beth Schultz
- Mary Buksa
- Mary Chandler
- Mary Clancy
- Mary Cobble
- Mary Cooper
- Mary F. Allen
- Mary Freda
- Mary Hedge
- Mary Moreno
- Mary Parkman
- Mascot Hall of Fame
- MasterTech Pest Control
- Matt Blaschke
- Matt Doyle, Methodist Hospitals
- Matt Evans
- Matt L. Ottinger
- Matt Murphy of the Valparaiso Redevelopment Commission
- Matt Rasnic
- Matt Schreiber
- Matt Scott
- Matt Smith
- Matt Stefanski
- Matt Wanke
- Matt Welter
- Matt Werner
- Matt Workman
- Matther Werner
- Matthew B. Byerly
- Matthew Melton
- Matthew Rasnic
- Matthew Stefanski
- Matthew Steigley
- Mattson Owens
- Maureen Davey
- Max Bebekoski
- Max Harsha
- Max Willis
- Maya Radjenovich
- Mayor Blair Milo
- Mayor Greg Ballard, City of Indianapolis
- Mayor Ron Meer
- McAfee Animal Hospital
- McCafe Animal Hospital
- McColly Real Estate
- McDonald's
- McKenzie Jacobs
- McKinley Elementary
- Meagan Deprizio
- Meaghan Painter
- Meals on Wheels of Northwest Indiana
- Megan Berchem
- Megan George
- Megan Heavner
- Megan Lambert
- Megan Lee
- Megan Marrs
- Megan Rigg
- Megan Rue
- Megan Sikes
- Megan Summers
- Meggie Tolkland
- Meghan Braddy
- Melissa Czekaj
- Melissa Deavers
- Melissa Washburn
- Melissa Westphal Benefiel
- Memorial Elementary School
- Memorial Opera House
- Mental Health America of Lake County
- Mental Health America of Porter County
- Mercy Turner
- Merrillville Community Schools
- Merrillville Education Foundation
- Merrillville High School
- Merrillville Intermediate School
- Merry Meals
- Methodist Hospitals
- Methodist Hospitals Breast Care Center
- Methodist Hospitals Foundation
- Methodist Hospitals Trauma Services
- Michael Berta
- Michael Bukur
- Michael E Conner
- Michael Essany
- Michael Grennes
- Michael Hadt
- Michael J. Hoffman
- Michael Linert
- Michael Mick
- Michael Okeley
- Michael Prentiss
- Michael Raines
- Michael Riley
- Michele Gustin Craig
- Michelle Kay Schrader
- Michelle McCaskey
- Michelle Newcomb
- Michelle Reavis
- Michiana Humane Society
- Michiana Renegades
- Michiana Resources
- Michiana Shores Volunteer Fire Department
- Michigan City
- Michigan City Area Chamber of Commerce
- Michigan City Area Schools
- Michigan City Basketball League
- Michigan City Black History Month Committee
- Michigan City Chamber Music Festival
- Michigan City Commission on the Social Status of African-American Males
- Michigan City Education Foundation
- Michigan City Fire Department
- Michigan City High School
- Michigan City Human Rights Commission
- Michigan City Islamic Center Womens Auxiliary
- Michigan City Lions Club
- Michigan City Mainstreet Association
- Michigan City NOW
- Michigan City Parks and Recreation Department
- Michigan City Police Department
- Michigan City Pop Warner
- Michigan City Public Art Committee
- Michigan City Public Library
- Michigan City Rotary
- Michigan City Salvation Army
- Michigan City Soul Steppers
- Michigan City Summer Fest
- Michigan City Transit
- Michigan City Women
- Michigan City Womens Bowling Association
- Michigan City, Refuse Department
- Mickey Morandini
- Micki Webb
- Midwest Center for Youth and Families
- Midwest Express Clinic
- Miguel E. Rosario-Vega
- Mikaela Karolzak
- Mikaela Meyer
- Mike Adams
- Mike Bartholomew
- Mike Bucko, Porter County Treasurer
- Mike Grennes
- Mike Hainline
- Mike Jakubisin
- Mike Riehle
- Mike Rosta
- Mike Sopko
- Mike Sutton
- Milissa Evans
- Mill Creek Lions Club
- Miller Beach Arts & Creative District
- Mina Hanson
- Mindy Beier, Morgan Stanley
- Mindy Reineke
- Ming Washington
- Minister Edwina K Shields
- Miranda Serletic
- Miriam Christensen
- Mishawaka Parks
- Miss Great Lakes Pageant
- Missi Maynard
- Missio Dei Church
- Missy Hernandez
- Mitch Barloga
- Mitch Miller
- Mitchell Saco
- Mno-Bmadsen
- Moe Monette
- Moeller Funeral Home
- Molly Caplice
- Molly Jane Dunscombe
- Molly Joll
- Molly Phelps
- Momentum Church
- Mommy's Haven
- MOMS Club of La Porte
- MOMS Club of Valparaiso
- Mona Sehgal
- Mona Sehgal & Mary Cobble
- Monica Decker
- Monica Jarvis
- Monica Komasinski
- Monica Owens
- Monica R. Lehnen
- Monika Krcoski
- Monique Sandberg
- Moraine Ridge Wildlife Rehabilitation Center
- Morgan Olson
- Morgan Township High School
- Morgan Township Middle School
- Mothers & More - Porter County Chapter
- Mothers for Porter County Kids
- Muller Acura of Merrillville
- Munster Chamber of Commerce
- Munster Education Foundaiton
- Munster Girl Scouts
- Munster High School
- Munster Lions Club
- Munster Parks and Recreation
- Munster Police Department
- Munster Rotary Club
- Munster Theatre Company
- Muscular Dystrophy Association
- Myers Elementary School
- Myrna Maldonado
- Myrna Rodriguez