Worldwide approvals to some of the World's largest Oil, EPC and Power organisations.

Across our global businesses, LoneStar Group have built up extensive experience working with and obtaining approvals
for some of the World's major Oil field and Power OEM's and contractors. 



Shell

DuPont

El Paso

Sunoco

Chevron Phillips

Chevron Texaco

Marathon

BP

Phillips 66

Total

 Union Carbide (Dow)

Anadarko

Husky Oil 

Celenese 

Valero 

 

 


 

 

 

 

 

 


S & B Engineering

Jacobs Group (Jacobs Engineering)

AMEC Engineering

Shaw Group

KBR

 CDI

SNC Lavalin

Gulf Interstate Engineering

Alliance Eng. (Wood Group)

Sofec/Modec

Mustang Engineering

Technip 

Waldemar S.Nelson

Willsbros

Black and Veatch 


 

 

 

 

 

 


Argus Subsea

Crane Valves 

Control Flow

Dril Quip

Emerson Industries (Flow Control)

Everest Valve

Gardner Denver

Grayloc

NOV

Oceaneering

Oil States Industries 

PBV Valve (Forum)

Perry Equipment Co.

Riser Technologies Industries 

Streamflow

T-3 Energy

Weatherford

Wellstream

Woodco

Walworth Valve Company

Eaton Corporation

Dresser Oil Tools

GE Oil and Gas

Hydratight

Toshiba

Babcock Power

Hitachi

Dresser Rand

Gaumer Process

Black and Veatch

Solar Turbines

Rolls Royce

Westinghouse

Lotus Energy

Aggreko

Clipper Windpower

Doosan

Hyundia

Samsung

Siemens 


Duke Energy

P.G and E. Corp.

Exelon Corp.

Edison International

Southern Company

American Electrical Power 

First Energy Corp.

Xcel Energy 

GE Power and Water 









 

 



 ISO 9001:2008

ISO 14001: 2004

ISO 18001:2007

ISO 17025

API 6a

API 17d

API 20E

PAS 99

FPAL 

UVDB

TUV

 

 


 

 



 

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