Other third-party service providers used by Acuity include: a) outsourced computer programmers helping ensure our systems are operating properly. b) email marketing providers, c) website and b2b sales analytics providers, d) customer relationship management, contact database vendors, data hygiene vendors, survey vendors and project management software providers, e) customer billing systems partners, f) login authentication providers to ensure that the logins to our systems are working efficiently, g) social media platforms for advertising and marketing purposes, h) auditing, debugging and security vendors.