UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Notice of Effectiveness
Effectiveness Date:
June 8, 2018
Accession Number:
0001104659-18-037709
Submission Type:
POS AM
CIK:
0001449732
Company Name:
Willbros Group, Inc.\NEW\
File Number:
333-174406