Certifications Certifications and compliance ISO 9001:2008Quality management system certification. OHSASOccupational health and safety compliance. GST registeredProprietorship — Hemcool Engineers. Associations and empanelments Clients and sectors Government and institutional ● Airports Authority of India ● Universities and auditoria ● Government hospitals and medical colleges ● Police and administrative headquarters Private and industrial ● Lumax Industries ● Asahi India Glass ● Gillette ● Corporate offices and commercial complexes