 | | A B C D E F G H I J K L M Malcolm Company Inc.
MapFrame
Matcor, Inc.
Mass. Municipal Wholesale Electric Co.
MBW Inc.
A.Y. McDonald Mfg. Co.
McElroy Manufacturing, Inc.
McJunkin Red Man Corporation
Mears/CPG
Measurement Controls, Inc.
Mechanical Specialties, Inc.
Mercury Instruments, Inc.
Metromedia Energy, Inc.
Midway Utility Contractors LLC
Millennium Pipeline Company, L.L.C.
Miller Pipeline Corporation
Mizzy Construction, Inc.
Montauk Services, Inc.
MSR Utility Maintenance
Mueller Company
Mulcare Pipeline Solutions, Inc.
Mustang Engineering L.P.
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