Show the he N national a t ional supply y companies maintain for your convenience convenience stores in in every important oil and gas field in the united states canada and mexico everything supplied for drilling and pumping as well as completely equipped machine shops gasoline extraction plants booster stations etc for oil and gas production s in addition to the full line of standard and rotary drilling ing machinery drilling accessories tools etc manufactured by us we supply or are exclusive sales agents for steel sectional buildings ajax steam dr drilling illing engines superior gas engines columbian manila cordage roebling wire rope ingersoll rand vacuum pumps and compressors dayton couplings etc i sole distributors of the national supply cos natio national nal portable drilling rigs PRINCIPAL OFFICES toledo 0 pittsburgh Fitts burgh pa new york N Y inde independence kon kiln los LOB angeles cal tulsa okla vt ft worth tex cosper casper nd and A laramie lara wyo export department new york office |