- A Positive Approach to Teen Health (PATH)
- A Rosie Place for Children
- A Will for Welfare
- A.J. McLinn
- Aadil Khan
- Aaron Gogel
- Aaron Ingram
- AAUW Valparaiso Affiliate
- Abby Babcock
- Abby Swartz
- Abie Mwaura
- Abigail Buksa
- ABRA Rescue Angels
- Access La Porte County
- Acorn Theater
- Adam El-Khailani
- Adam Gill
- Adam Mlynarcik
- Addison Kuntz
- Addison Nevorski
- Addison Pointe Health & Rehabilitation Center
- Adriana Harris
- Adult Learning Center
- Advanced Dental Concepts
- Advancing Christ Kingdom Ministries Michigan City
- Aimee Fausto
- Aimee White
- Air One, Inc.
- Airey Financial Group
- AJ Capuano
- Al Lesar
- Al Trost
- Alaa Abdeldaiem
- Alayna Holifield
- Alayna Wilkening
- Albano's Villa
- Albert's Diamond Jewelers
- Alec Turner
- Aleena Mongerie
- Aleisa Amos-Pony
- Alena Baez
- Alex Bustos
- Alex Nelson
- Alex Otto
- Alex Srednoselac
- Alex Vaughn
- Alex Wolf
- Alexa Blanton
- Alexander Nelson
- Alexis Jenkins
- Alexis Largent
- Alicia Ebaugh
- Alicia Martinez
- Alissa Fiorentino
- All Pieces Fit
- Allegius Credit Union
- Allison Bewick
- Allison Flasch
- Allison Glen
- Allison Livinghouse
- Allison Nusbaum
- Allison Tunstall
- Ally Henrich
- Ally Mitchell
- Allyn Hane
- Alyanna Walsh
- Alyson Gomez
- Alyssa Chartrand
- Alyssa Foster
- Alyssa Frazier
- Alyssa Suprenant
- Alzheimer's Association
- AMA Design & Print
- AMA Michiana
- Amanda Brown
- Amanda Kuiphoff
- Amanda Lyons
- Amanda Pirowski-Alaniz
- Amber Carper
- Amber Ferguson
- Amber Nelson
- Amber Tomlinson
- Ameila Kowalisyn
- Amelia Sutherlin
- American Association of Blacks in Energy
- American Association of University Women
- American Bankers Association
- American Cancer Society
- American Community Bank
- American Greyhound
- American Heart Association
- American Legion Auxiliary Portage Unit 260
- American Legion Post 502
- American Legion Post 94
- American Licorice Company
- American Passenger Rail Heritage Foundation
- American Red Cross
- American Renolit
- American Teens in Crisis Conference
- AmeriCorps
- Amy Armstrong
- Amy Doelling Osterhout
- Amy Hartz
- Amy Howard
- Amy Page
- Amy Parry
- Amy Petri
- Amy Sanderson
- Amy's Memorial Ride Organization
- Anabelle Tokash
- Anam Cara Stables
- Anchor Home Health Care
- Ancilla College
- Andrea Caprous
- Andrea Colson
- Andrea Evans
- Andrea John
- Andrea Mackert
- Andrea Marvel
- Andrea Wolfinsohn
- Andrean High School
- Andrew Bauer
- Andrew Grimm
- Andrew Gross
- Andrew Guenther
- Andrew Holt
- Andrew Knies
- Andrew Kvachkoff
- Andrew Miles
- Andrew Redick
- Andrew Rowe
- Andrew Scutt
- Andy Maletta
- Andy Miles
- Anekah Fish
- Angel Fund
- Angel Jacobs
- Angela Abina
- Angela Bender
- Angela Boland
- Angela Holderread
- Angie Moser
- Angie Sohacki
- Anjelica Mendoza
- Ann Barber
- Anna Butkovsky Hearn
- Anna Dumelle
- Anna Funk
- Anna Hanson
- Anna Herr
- Anna Marquardt
- Anna Ortiz
- Anna Polkowski
- Anna-Lisse Lenard
- Annabella Piunti
- Annamarie Lungu
- Anne Brandt
- Anne M. Wodetzki
- Anne Marie Wadle
- Anne-Marie Prince
- Anneke Dekker
- Annette Abrego
- Anthony Cleveland
- Anthony Hudson
- Anthony Phillips
- April Beres
- Aqua Systems of Valparaiso
- Arc Northwest Indiana
- ArcelorMittal
- ArctiCon
- Arena Sports Network
- Ariel Cassell
- Arielle Cummings
- Armando Gomez
- Art Barn
- Art Education Association of Indiana
- Art Hill Auto Group
- Arts in the Park
- ASFRunning
- Ashley Schiyer
- Ashley Spargo
- Ashley Wilson
- Ashley Wisnieski
- ASRacing
- Associated Pediatricians
- Atom Groom
- Aubrey Baker
- Aubrey Thomson
- Audrey Belancin
- Audrey White
- Augsburg Evangelical Lutheran Church
- Aurora B Boutique
- Austin Passine
- Autum Meyers
- Autumn Cole
- Autumn Prast
- Autumn's Army
- Ava Fasshauer
- Ava Jimenez
- Avalon Springs Health Campus
- Avery Tegt
- Aviva Valparaiso
- Aylesworth Elementary School