Certifications
Cornerstone is certified with the following entities:

• Small Business Administration 8(a)
• State of California - Caltrans -CT-014936
• City and County of San Francisco
• Amtrak
• MARTA - Atlanta
• City of Seattle
• California State OSMB
• New Jersey Transit
• San Francisco Bay Area Rapid Transit
• Port of New York and New Jersey
• Denver Regional Transportation District
• Miami Valley Regional Transportation Authority
• Washington Metropolitan Area Transit Authority
• Maryland State (pending)

Partnerships
Cornerstone has business partnerships with the following companies:

• Gateway
• 3COM
• Venturi Technology Partners
• Hewlett Packard
• SBC
• Softsol
• Marsh Communications
• MRG Global

Cornerstone has teamed with 8(a) certified or other firms to provide comprehensive solutions to satisfy our clients’ project goals and objectives.