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teamwork • service • success


With operations throughout Appalachia, Greylock Midstream creates value for producers, manufacturers, power generators, and other commercial customers by providing specialized services and detailed knowledge that augment and complete project teams.  Our experienced staff designs, constructs, and operates best-in-class pipelines, gathering systems, transmission facilities, water systems, and other energy infrastructure that are engineered to deliver the resources that projects need to function effectively and maximize efficiencies. 



What sets Greylock Midstream apart from other project service providers is our commitment to unmatched customer service.  When you choose Greylock, you receive a dedicated team of knowledgeable experts that deliver creative problem-solving and well-honed project management skills.  Our flexible approach, combined with our unwavering 

commitment to quality, ensures that your project is completed on time and on budget.  That's a customer experience that cannot be found elsewhere.


Whether your plant needs a dedicated fuel source or your project requires reliable access to water, Greylock Midstream offers innovative solutions to help you navigate the challenges that accompany project development. 


Allowing us to manage these aspects of operations for you frees you up to better focus on other areas associated with your project.  In this challenging and complex industry, that's why Greylock can help give your team a distinct, competitive advantage. 



Our team of professionals delivers expertise and value.  With more than 100 years of midstream experience, our team members have managed hundreds of millions in midstream construction projects, and designed or built dozens of measurement, compression and processing stations – oftentimes in difficult locations and challenging environments. This level of experience, combined with our best-in-class, construction-management practices, brings added value to your project and team.



Corporate Headquarters

500 Corporate Landing

Charleston, WV 25311

(304) 925.6100

After regular business hours, report emergencies to: 1.800.323.1855.

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