Our Clients
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John Zink
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Columbian Chemicals
Eng. Tech. Inst
Central Plains Cement
Natural Gas
Williams Welding
Service & Manufacturing Corp.
Service & Technology Corp.
HNNG
LaFarge North America
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Syntroleum Corp.
.
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Covanta Energy
Chemtrade Logistics
Furmanite & Sunoco Refinery
CCC Group
Emerging Fuels Tec.
Buzzi Unicem USA
Holly Group
Wynnewood Refining Co.
5114 W. 46th St. S.
Tulsa, Oklahoma 74107
Main: (918) 551-7659
Fax: (918) 561-6027
Copyright 2016 Ⓒ United Contracting Services, Inc.
Certification: Section VIII, B31.1,& B31.3 OK. Lic. #77775

