Despite rise in volume, construction's ranking dips to third among industries, from first in mid-April.

But industry groups say more guidance is needed for forgiveness and loans of $2 million or more.

House of Representatives action is the package's next step.

Updated figures show construction companies received $44.9 million in PPP loans, more than any other industry.

AGC says SBA interim regulation places extra requirement on construction firms, contradicting the Treasury interpretation.

New minimum is up 8% for most construction categories, 10% for engineering services.