CONCRETE PLACEMENT, INC.

WESTERN DRILLING COMPANY, LLC

Other Crushed and Broken Stone Mining and Quarrying, Construction Sand and Gravel Mining, Steam and Air-Conditioning Supply, Industrial Building Construction, Commercial and Institutional Building Construction

Water and Sewer Line and Related Structures Construction, Oil and Gas Pipeline and Related Structures Construction

Power and Communication Line and Related Structures Construction, Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing, Other Communications Equipment Manufacturing, Audio and Video Equipment Manufacturing, Semiconductor and Related Device Manufacturing

Power and Communication Line and Related Structures Construction, Other Management Consulting Services

COMBS CONSTRUCTION COMPANY INC

Support Activities for Oil and Gas Operations, Support Activities for Coal Mining, Support Activities for Metal Mining, Support Activities for Nonmetallic Minerals (except Fuels) Mining, Sewage Treatment Facilities

KITCHELL CEM

Power and Communication Line and Related Structures Construction, Telephone Apparatus Manufacturing, Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing, Computer Systems Design Services

Support Activities for Oil and Gas Operations, Support Activities for Coal Mining, Industrial Building Construction, Commercial and Institutional Building Construction, Water and Sewer Line and Related Structures Construction

Electric Power Distribution, New Multifamily Housing Construction (except Operative Builders), Industrial Building Construction, Commercial and Institutional Building Construction, Water and Sewer Line and Related Structures Construction

RED RIVER CONTRACTING, INC

TELEGRAPH PASS IMPROVEMENT ASSOCIATION

Land Subdivision, Other Activities Related to Real Estate, Title Abstract and Settlement Offices, Geophysical Surveying and Mapping Services, Surveying and Mapping (except Geophysical) Services

Highway, Street, and Bridge Construction

Industrial Building Construction, Commercial and Institutional Building Construction, Water and Sewer Line and Related Structures Construction, Oil and Gas Pipeline and Related Structures Construction, Power and Communication Line and Related Structures Construction

Industrial Building Construction, Land Subdivision, Other Activities Related to Real Estate, Administrative Management and General Management Consulting Services

Oil and Gas Pipeline and Related Structures Construction, Electrical Contractors, Plumbing, Heating, and Air-Conditioning Contractors, Other Building Finishing Contractors, Metal Tank (Heavy Gauge) Manufacturing

Water Supply and Irrigation Systems, Water and Sewer Line and Related Structures Construction, Oil and Gas Pipeline and Related Structures Construction, Other Heavy and Civil Engineering Construction, Site Preparation Contractors