Human Services

Keystone Service Systems, Inc.

  • Harrisburg, PA

Mission Statement

Keystone Service Systems (KSS) provides comprehensive community services in the areas of mental health, mental retardation, autism, behavioral health, early intervention, head start, speech therapy, physical therapy and pediatric rehabilitation for children, adolescents, adults and families in Pennsylvania, Delaware and Maryland. Susquehanna Service Dogs, a Keystone agency, trains and places assistance and therapy dogs with children and adults. Keystone provides a full range of residential services in mental health and mental retardation and autism. Keystone Autism Services specializes in autism services within a community context. Some of Keystone's agencies have served the community for over 75 years. Keystone offers services in a values driven, highly integrated system of care. There is a directed focus on self-determination, choice and individualized treatment plans with strong consumer and family involvement. KSS is a subsidiary of Keystone Human Services Inc.

ruling year


Principal Officer since 1972


Mr. Dennis W. Felty



mental, health, retardation, residential, autism, early, therapy, child, adults, children, adolesce

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Also Known As

Keystone Service Systems






Cause Area (NTEE Code)

Developmentally Disabled Services/Centers (P82)

Family Services (P40)

Mental Health Treatment (F30)

IRS Filing Requirement

This organization is required to file an IRS Form 990 or 990-EZ.

Programs + Results

How does this organization make a difference?


Self-reported by organization

What are the organization's current programs, how do they measure success, and who do the programs serve?

Program 1

Behavioral Consultation, Family preservation, Residential Treatment, Intensive Home-Based Services, Early Intervention, Respite and Companion Services, Head Start Early Childhood Education, Day Care, Children's EPSDT services, Vocational Rehabilitation, Mobile Therapy, Therapeutic Foster Care, Vocational Rehabilitation, Assistance & Therapy Dogs, Individual Therapy, Group Therapy, Intensive Case Management, Marriage Counseling, Student Assistance, Behavior Therapy, Family support, Family Preservation, Family Based Mental Health, Infant Development, Parent Training, Family Therapy, Family Living Services, Assistive Technology, Developmental Assessments, Case Management, Self Determination Planning, Outpatient Psychiatric Services, Independent Living, Residential - Mental Retardation, Physical Therapy, Residential - Mental Health, Speech Therapy, Partial Hospitalization, Occupational Therapy, Pediatric Rehabilitation, Therapeutic Staff Support, Master Trust, Parent Training, Technical Assistance, Home-Based Behavior Management, Toddler Developmental Education. Please reference our web site or or contact us for more information on services.


Population(s) Served


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Keystone Service Systems Inc
Fiscal year: Jul 01-Jun 30
Yes, financials were audited by an independent accountant.


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The people, governance practices, and partners that make the organization tick.

Keystone Service Systems, Inc.



Free: Gain immediate access to the following:
  • Address, phone, website and contact information
  • Forms 990 for 2015, 2014 and 2013
  • Board Chair and Board Members
  • Access to the GuideStar Community
Need the ability to download nonprofit data and more advanced search options? Consider a Premium or Pro Search subscription.

Principal Officer

Mr. Dennis W. Felty


Dennis Felty has been in a leadership role of the community mental health and mental retardation movement since 1968. He was a co-founder of Keystone Human Services in 1972 and has served as its President since then. Dennis' vision and leadership has been instrumental in developing Keystone into a family of non-profit organizations that is committed to helping people with disabilities become valued and contributing members of the community. Dennis has also served as President of the Commonwealth Institute, the Pennsylvania Association of Community Residential Programs, the Pennsylvania CASSP Institute and is the Past President of the Pennsylvania Association of Rehabilitation Facilities as well as Past President and co founder of the Open Stage of Harrisburg. Dennis serves, or has served, on many boards, and task forces within government including: the Planning Advisory Council of the Pennsylvania Office of Mental Retardation. Dennis also serves as Chairman of the Board of PAR, which is the major professional association addressing services in the area of intellectual disabilities and autism. Dennis is the immediate Past President of the Susquehanna Art Museum and as a Board Member of Wachovia Bank's Regional Advisiory Board.. Dennis is a graduate of Elizabethtown College. Dennis has co-authored with Dr. Marshal B. Jones "Human Services At Risk" published in the Social Service Review (June 1998) University of Chicago, an article that explores the important role community non profits play in our society. Dennis has served as an Officer and pilot with the US Air Force and Pennsylvania Air National Guard for thirteen years and has over 2000 flight hours in multi-engine and jet aircraft. Dennis has been an active participant in Dr. Wolfensberger's work in Normalization and Social Role Valorization including serving as a PASSING Team Leader since 1970. Dennis is a fine art photographer and frequently exhibits his work in one-man shows. He has carried out several photographic projects for the Office of Mental Retardation photographing people living in State Centers as well as the Office of Children and Youth. This work has included assisting in the production of Every Day Lives a documentary on the history of Mental Retardation in Pennsylvania. Dennis has also been instrumental in helping to found a seminary in Kursk Russia. In 1999 he produced a photographic essay on children living in orphanages and psychiatric hospitals of Russia, Romania and Moldova. This work includes images and interviews of children living in the underground of Bucharest, Romania. These images may be viewed by clicking the children of Eastern Europe below. Dennis has also had the opportunity to visit psychiatric hospitals in the People's Republic of China. Dennis serves on the Federal Council (Board) of FICE International a federation of over thirty countries concerned about the status of children world wide. Dennis also serves as President of FICE-USA and has been appointed as a 2007 Member of the Clinton Global Initiative. Dennis and his wife Barbara have been married for 34 years and have two children, Adam and Laura.



Don Witman


GuideStar worked with BoardSource, the national leader in nonprofit board leadership and governance, to create this section, which enables organizations and donors to transparently share information about essential board leadership practices. Self-reported by organization



Does the board conduct a formal orientation for new board members and require all board members to sign a written agreement regarding their roles, responsibilities, and expectations?



Has the board conducted a formal, written assessment of the chief executive within the past year?



Have the board and senior staff reviewed the conflict-of-interest policy and completed and signed disclosure statements in the past year?



Does the board ensure an inclusive board member recruitment process that results in diversity of thought and leadership?



Has the board conducted a formal, written self-assessment of its performance within the past three years?