ABC: Construction Backlog Stable; Contractors Remain Optimistic, Fueled by Data Center Growth

WASHINGTON, Oct. 14, 2025 (GLOBE NEWSWIRE) -- Associated Builders and Contractors reported today that its Construction Backlog Indicator remained unchanged at 8.5 months in September, according to an ABC member survey conducted Sept. 22 to Oct. 6. The reading is down 0.1 months since September 2024.

View ABC’s Construction Backlog Indicator and Construction Confidence Index tables and graph for September. View the full Construction Backlog Indicator and Construction Confidence Index data series.

Over the past year, backlog has declined in the commercial and institutional and heavy industrial categories, while it has increased substantially in the infrastructure category.

ABC’s Construction Confidence Index reading for sales declined in September, while the readings for profit margins and staffing both increased. The readings for all three components remain above the threshold of 50, indicating expectations for growth over the next six months.

“Falling industrywide employment, a dearth of job openings and ongoing decreases in construction spending have not diminished ABC contractor member backlog or confidence,” said ABC Chief Economist Anirban Basu. “This stability primarily stems from two sources. First, public sector activity has held up far better than its private counterpart, and that is supporting elevated backlog in the infrastructure category.

“The second source of industry momentum is, unsurprisingly, data centers,” said Basu. “Approximately 1 in 5 contractors was under contract to work on a data center project in September. While that’s a slightly lower share than in August, contractors that have data center work had significantly higher backlog (12.0 months) than those who did not (8.0 months).”

Note: The reference months for the Construction Backlog Indicator and Construction Confidence Index data series were revised on May 12, 2020, to better reflect the survey period. CBI quantifies the previous month's work under contract based on the latest financials available, while CCI measures contractors' outlook for the next six months. View the methodology for both indicators.

Erika Walter
Associated Builders and Contractors
ewalter@abc.org

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