A & A Williams LLP — CIS | Construction Information Systems

Headquarters

50 N Ferry Road
SHELTER ISLAND, NY 11964

About CIS

Win more work with better intelligence

CIS tracks public and private construction across NJ, NYC, Long Island, Lower Hudson Valley, Eastern PA & DE — delivering early project visibility, bid updates, and competitive insights daily. Know what's coming before your competition does.

Early insights on public & private projects
Real-time bid updates & scope changes
GC, Sub & Planholder visibility
Competitive bidding history & insights

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"Their website has the most accurate & up-to-date information when compared to the others out there. I highly recommend their service."

— Jerry Russano