NBS Consultants, Inc Share: Consulting - Business NBS Consultants, Inc Visit Website Request Info Clifton Park, NY 12065 (518) 383-0751 About Map About We are a full service roofing and waterproofing consulting firm. Our firm’s strength is in the diagnosis and resolution of tough waterproofing problems. What's Nearby? Distance: 5 10 15 20 25 50 mi.