rose rock operations map business units rose rock semgas semcams semlogistics semmaterials mexico maurepas pipeline environment & safety environment public awareness safety community about news & media careers contact compliance hotline search social media links linkedin twitter nyse semg 33.55 0.33 second quarter 2016 results view our earnings presentation more semgroup to build maurepas pipeline find out more on this exciting project maurepaspipelinellc.com strategically positioned our expanding footprint reaches across multiple shale and natural resource plays view map building the best business it all starts with strong values and commitments view ours investors view our corporate profile financial information news releases stock quotes and more for each of our two companies on our investor relations pages . more operations we provide gathering transportation processing storage distribution and other midstream services in the united states canada mexico and the united kingdom . more environment & safety in all aspects of our business and operations we constantly strive for the highest level of performance in regard to environmental health and safety issues . more more more more we aren t bracing for the future we re driving it 1100 employees worldwide 3900 miles of pipeline 19 million barrels of storage capacity learn more latest news semcams to construct new 200 mmcf d montney sour gas processing plant ; signs long term deal with nuvista energy tuesday october 11 2016 semgroup corporation announces timing of third quarter 2016 earnings conference call and webcast thursday october 06 2016 semgroup corporation announces closing of acquisition of rose rock midstream l.p. friday september 30 2016 call before you dig know what s below . before you dig or in the event of an emergency call 811 . semgroup corporation 6120 south yale avenue tulsa ok 74136 4216 phone 918.524.8100 supplier relations supplier relations login crude oil statements owner relation system 2016 annual meeting shareholder materials semgroup semcrude semgas semstream semmaterials mexicomr white cliffs pipeline and rose rock midstream are registered trademarks of semgroup corporation . 2016 semgroup . all rights reserved . terms & conditions