Mammoth Security Inc. Meriden is a dependable security installation company. BBB-accredited and the only Meriden security company certified by the Connecticut Department of Administrative Services as a Prequalification Construction contractor. We hold our installation teams to the highest standards providing property owners with the highest quality installation possible. To serve the Meriden area, our in-house I.T department has extensive knowledge in all aspects corporate network security. Our access control technology ensures that only authorized personnel have access to protected sites and information. Our installers use access control management software to grant and revoke privileges instantly.