The following is the growing list of clients Kenn Mainville & Associates has served:
- Alberta Cancer Foundation
- Art Gallery of Nova Scotia (Halifax)
- Atlantic Canada Cranberries Inc.
- Bethania Mennonite Personal Care Home (Winnipeg)
- Big Brothers - Big Sisters (Halifax)
- Brandon Regional Health Centre Foundation
- Brandon University
- Camp Medley
- Canadian Cancer Society (NB, NS, MB)
- Canadian Diabetes Association (National)
- Canadian Mennonite University (Winnipeg)
- Canadian Red Cross
- CancerCare Manitoba
- Cape Breton University
- The Children's Wish Foundation of New Brunswick
- Colchester Regional Hospital Foundation (Truro)
- Confederation Centre of the Arts (Charlottetown)
- Cumberland Health Care Foundation (Amherst)
- Dartmouth General Hospital Foundation
- Hampton John Peters Humphrey Foundation
- Health Sciences Centre Foundation (Winnipeg)
- Heart & Stroke Foundation of PEI
- Holland College (Charlottetown)
- Jewish Foundation of Manitoba
- Lung Associations (Alberta/Saskatchewan/Manitoba)
- Marymound (Winnipeg)
- Mennonite Collegiate Institute (Manitoba)
- Mennonite Economic Development Associates (Winnipeg)
- MindCare New Brunswick Foundation
- Misericordia Health Centre Foundation (Winnipeg)
- Mount Carmel Foundation (Winnipeg)
- Navigators of Canada (London)
- New Brunswick Public Libraries Foundation (Fredericton)
- Northwood Foundation (Halifax)
- NSCAD University (Halifax)
- Prince County Hospital Foundation (Summerside)
- Queen Elizabeth Hospital Foundation (Charlottetown)
- Red River College (Winnipeg)
- Riverview Health Centre Foundation (Winnipeg)
- Rothesay Netherwood School
- Saint John Regional Hospital Foundation
- Saint Mary's University (Halifax)
- Seven Oaks General Hospital Foundation (Winnipeg)
- Society for Manitobans with Disabilities Foundation (Winnipeg)
- South~East Regional Health Authority (Moncton)
- Special Olympics Prince Edward Island
- St. John's-Ravenscourt School (Winnipeg)
- St. Joseph's Hospital Foundation (Saint John)
- St. Mary's Academy (Winnipeg)
- St. Paul's High School (Winnipeg)
- Trillium Hospital Foundation (Mississauga)
- University of Kings College (Halifax)
- University of Prince Edward Island
- University of Winnipeg
- Victoria General Hospital Foundation (Winnipeg)
- William and Catherine Booth College (Winnipeg)
- The Winnipeg Art Gallery
- Yarmouth Hospital Foundation
- YMCA-YWCA (Saint John & Winnipeg)
