O&J Comfort A/S is a Danish ventilation and building-services contractor working out of Esbjerg Ø in South Denmark. DBI approves it for mekanisk brandventilation and automatiske rumslukningsanlæg — 2 current approvals, 027M.001, 253.320 — under DBI Forskrift 253 and DBI Retningslinje 27. Its fire-alarm approval names 5 panel platforms — a Danish approval scopes the firm and the systems together, not the firm alone. DBI certifies the named individual as well as the company, and 2 certified people are listed against this approval.