What is nbis insurance? Specialized commercial insurance programs for crane & rigging, concrete pumping, and heavy haul vehicles. NBIS IS THE MOST EXPERIENCED INSURANCE PROVIDER FOR CONSTRUCTION EQUIPMENT IN THE COUNTRY. For more than 25 years, NationsBuilders Insurance Services has been staffed with former crane operators, truck drivers, and OSHA personnel.How do i contact nbis support? NBIS will build upon and replace a suite of legacy background investigation IT systems, decommissioning them in stages through 2023. Do you have any questions? Please call our Agency Support/System Liaison Helpline at 724-794-5612, x4600 for any questions regarding NBIS.Why choose nbnbis? NBIS IS THE MOST EXPERIENCED INSURANCE PROVIDER FOR CONSTRUCTION EQUIPMENT IN THE COUNTRY. For more than 25 years, NationsBuilders Insurance Services has been staffed with former crane operators, truck drivers, and OSHA personnel. We’ve stood in our policyholders’ boots.How do i get in touch with nbs? Contact There are lots of ways to get in touch with NBS. You can contact us by phone, visit us at our office, or send us a message online. Our main office is open from 9:00 am to 5:00 pm Monday to Friday.