Registered small business
CORNERSTONE COMPANIES LLC
UPPER MARLBORO, MD · Established 2014
Capabilities
Cornerstone Companies is a first class company providing professional and janitorial services to the federal government, commercial and non profit clients. We pride ourselves on doing the job right the first time.
Federal performance
- Awards
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- Obligated
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- Agencies served
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Registered NAICS codes
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Other designations
Self-certified: Small business