UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Notice of Effectiveness
Effectiveness Date:	May 22, 2013

Accession Number:	0001193125-13-177939
Submission Type:	POS AM
CIK: 0001449732 Company Name: Willbros Group, Inc.\NEW\ File Number: 333-174406
CIK: 0001521188 Company Name: Bemis, LLC File Number: 333-174406-35
CIK: 0001521257 Company Name: Chapman Construction Co., L.P. File Number: 333-174406-34
CIK: 0001521190 Company Name: Chapman Holding Co., Inc. File Number: 333-174406-33
CIK: 0001521192 Company Name: Construction & Turnaround Services, L.L.C. File Number: 333-174406-32
CIK: 0001521189 Company Name: Chapman Construction Management Co., Inc. File Number: 333-174406-31
CIK: 0001521193 Company Name: Halpin Line Construction LLC File Number: 333-174406-30
CIK: 0001521194 Company Name: Hawkeye, LLC File Number: 333-174406-29
CIK: 0001521195 Company Name: Willbros Utility T&D Group Common Paymaster, LLC File Number: 333-174406-28
CIK: 0001521196 Company Name: Willbros Utility T&D Holdings, LLC File Number: 333-174406-27
CIK: 0001521200 Company Name: Lineal Industries, Inc. File Number: 333-174406-22
CIK: 0001521209 Company Name: Willbros Downstream, LLC File Number: 333-174406-21
CIK: 0001521208 Company Name: Willbros Downstream of Oklahoma, Inc. File Number: 333-174406-20
CIK: 0001521201 Company Name: Premier Utility Services, LLC File Number: 333-174406-19
CIK: 0001521202 Company Name: Skibeck Pipeline Company, Inc. File Number: 333-174406-18
CIK: 0001521203 Company Name: Skibeck PLC, Inc. File Number: 333-174406-17
CIK: 0001521204 Company Name: Trafford Corp File Number: 333-174406-16
CIK: 0000821361 Company Name: UTILX CORP File Number: 333-174406-15
CIK: 0001521205 Company Name: UtilX Overseas Holdings, Inc. File Number: 333-174406-14
CIK: 0001521207 Company Name: Willbros Construction California (U.S.), Inc. File Number: 333-174406-13
CIK: 0001521206 Company Name: Willbros Construction (U.S.), LLC File Number: 333-174406-12
CIK: 0001521210 Company Name: Willbros Energy Services Co File Number: 333-174406-11
CIK: 0001521213 Company Name: Willbros Engineers (U.S.), LLC File Number: 333-174406-10
CIK: 0001521212 Company Name: Willbros Engineering California (U.S.), Inc. File Number: 333-174406-09
CIK: 0001521214 Company Name: Willbros Government Services (U.S.), LLC File Number: 333-174406-08
CIK: 0001521215 Company Name: Willbros Midstream Services (U.S.), LLC File Number: 333-174406-07
CIK: 0001521216 Company Name: Willbros Project Services (U.S.), LLC File Number: 333-174406-06
CIK: 0001521217 Company Name: Willbros Refinery & Maintenance Services (U.S.), LLC File Number: 333-174406-05
CIK: 0001521191 Company Name: Premier West Coast Services, Inc. File Number: 333-174406-04
CIK: 0001521219 Company Name: Willbros United States Holdings, Inc. File Number: 333-174406-03
CIK: 0001521220 Company Name: Willbros Engineers, LLC File Number: 333-174406-02
CIK: 0001521218 Company Name: Willbros T&D Services, LLC File Number: 333-174406-01