| Interior Systems Inc. dba., ISI Professional Services was founded in 1991 and is a Washington, D.C. based provider of professional real estate, facilities and administrative services to federal government agencies and commercial clients. ISI is a Service Disabled Veteran Owned Small Business (SDVOSB) and is a graduate of the Small Business Administration’s (8)a Program. ISI’s President , Lawrence K. Doll, is a former Marine and a disabled Veteran of the Vietnam War. ISI maintains a policy of hiring Veterans and in particular returning disabled Veterans to support our clients. ISI, is registered at E-Verify for employee verification and its accounting processes have been approved by the Defense Contract Audit Agency (DCAA). |
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| Since its inception, ISI has provided Integrated Occupancy Services to the General Services Administration (GSA) and other federal agencies, providing any services required in the occupancy of space. ISI maintains six GSA Federal Supply Schedules to provide federal clients its services. |
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EnergyIQ™
Energy Effiency Assessments & Audits lead to a complete GO-Green Plan. More Info
Contract Vehicles
ISI provides a wide variety of Government Wide Acquisition Contracts (GWACS) Click Here
ISI provides a wide variety of Government Wide Acquisition Contracts (GWACS) Click Here

