The ABI score of 45.7 for the month indicates that the majority of firms continued to experience a decline in their billings.

The AIA/Deltek Architecture Billings Index score declined to 42.4 in May, as more firms reported a decrease in billings than the month prior.  

Architecture firm billings remained soft in April, with an AIA/Deltek Architecture Billings Index (ABI) score of 48.3 for the month. The score rose from 43.6 in March but still indicates that billings continue to decline at most architecture firms.