M.G. Dyess, LLC

From the ProvenHand pipeline wiki

Sources disagree on some of this page's facts. Each value is shown with its sources; see Sources disagree.

M.G. Dyess, LLC is a pipeline contractor based in Bassfield, Mississippi. It is part of Quanta Services, Inc..

M.G. Dyess, LLC
Also called
General information
Industry
TypePrivate[5]
StatusActive[6]
Parent companyQuanta Services, Inc.[6]
Successor
HeadquartersBassfield, Mississippi, US[1][6][7]
RegionsAZ,CO,NM,UT,WY, OK,TX, Mexico, IL,IA,KS,MO,NE, IN,MI,OH, AL,AR,LA,MS,TN, FL,GA,SC,PR,VI, KY,NC,VA,WV, DE,MD,NJ,PA[2]
Websitewww.mgdyess.com[2] or https://mgdyess.com[1][sources disagree]
PLCANot a PLCA member as of 3 October 2026[8]
On ProvenHand
Hands listed0

M.G. Dyess, LLC is a pipeline contractor based in Bassfield, Mississippi. It is part of Quanta Services, Inc..

This company article is a stub. You can help ProvenHand by expanding it.

Projects

As contractor

ProjectWorkPrime or subScopeSpreadYearsProject built
Midcontinent Supply Header Interstate Pipeline Project[9][10]construction contractor given notice to proceed (scope not stated)2020
Midcontinent Supply Header Interstate Pipeline Project[11]PrimePipeline construction (listed as contractor in Pipeline News, July 2018)2020
Access South/Adair Southwest/Lebanon Extension[12][13]PrimeListed 2018 as Spectra - Access South - Adair Southwest: 9.15 miles and 4.63 miles of 36-inch, OH2017–2018
NEXUS Gas Transmission[14]subcontractor (work not stated)Under FluorListed 2017 as a subcontractor to Fluor; work not stated2017–2018
NEXUS Gas Transmission[15]PrimePipeline construction in Ohio (listed 2018-2019)2017–2018
Southwest Louisiana Supply Project[3][13]PrimeDelhi, LA, listed 2017: launchers and receivers, meter station construction and maintenance, and pipeline for the Southwest Louisiana Supply Project2017–2018
Kingsport Expansion[16][17]PrimeListed as Spectra Energy - Kingsport Expansion Project: 6.5 miles and 3.3 miles of 16-inch and 5.7 miles of 24-inch in Sullivan County, TN and Washington and Smith Counties, VA; steep slopes, two hard-rock HDDs; estimated in-service date November 26, 20142015
Kingsport Expansion[18]PrimeNamed as the contractor on the Fordtown Clean Burn conversion and Eastman Mainline Extension; setting up pipe yards and offloading pipe in May 2014from 1 May 20142015
Cadiz to DEO[19]PrimeListed 2018 as Energy Transfer - Cadiz to DEO: 3.11 miles of 24-inch with two launcher/receivers, OH
Compressor Station 306 Reversal[20]PrimeMalvern, AR, listed 2019: four pig traps modified for bi-directional inline inspection, four gas coolers, three coalescing filter separators, new MCC building, condensate tank, control and fire-and-gas upgrades
Constellation Pipeline Extension Project[21]PrimeListed 2017-2018 as contractor: 21 miles of 8-, 20- and 24-inch in Butler County, PA
Cottonwood Bar Levee Relocation[22]PrimeListed 2014 (Kinder Morgan, Southern Natural Gas): Mississippi River levee pipeline modifications, about 700 feet of 24-inch on the west bank (LA) and about 500 feet of 20- and 22-inch on the east bank (MS), old pipe removed
Delek Logistics - CVBSR 12" & Guidon 12" & 8"[23]Prime62 miles of 12-inch and 10.91 miles of 8-inch at Odessa, TX (listed as a current project, October 2019)
Line 427 Phase II[23]PrimePipeline and station work: 20 miles of 16-inch, 13 meter/regulator stations and 7 HDDs, 98% complete (listed as a current project, October 2019)
Majorsville to Beech Bottom[23]Prime14 miles of 20-inch in rough terrain, Spreads 1 & 2 (listed as a current project, October 2019, almost complete)Spread 1
Majorsville to Beech Bottom[23]Prime14 miles of 20-inch in rough terrain, Spreads 1 & 2 (listed as a current project, October 2019, almost complete)Spread 2
Majorsville to Hopedale[24]PrimeListed 2013 as Markwest - Majorsville to Hopedale - Spreads 3 & 4 (6-12-inch, 10-25 miles)Spread 3
Majorsville to Hopedale[24]PrimeListed 2013 as Markwest - Majorsville to Hopedale - Spreads 3 & 4 (6-12-inch, 10-25 miles)Spread 4
MarkWest Utica EMG - Seneca to Cadiz Phase 2 South[16][25]PrimeSeneca to Cadiz Phase 2 South ethane pipeline, Noble and Monroe Counties, OH (project page dated 2014): 15.2 miles of 10-inch, 7 bored road crossings, 2 bored stream crossings, 27 open-cut stream crossings
Mid-Continent Supply Header Interstate Pipeline Project[4]PrimeSpread 3 of the Midship Pipeline Project for Cheniere Midship Pipeline, LLC: about 80.5 miles of 36-inch mainline with mainline valves, Ardmore to Bennington OK (page dated 2019)Spread 3
Mid-Continent Supply Header Interstate Pipeline Project[26]Primenamed with Strike and Cenergy as contracted for construction of the pipeline and associated facilities
Noble Midstream - Billie Minor System[27]PrimeListed 2018: six laterals of various diameters in steel and HDPE, TX
Noble Midstream - Coronado Gathering System[28]PrimeListed 2018: six laterals of various diameters in steel and HDPE, TX
Revolution Gathering Phase II[29]Prime1.2 miles of 8-inch, 4.8 miles of 20-inch and 18.5 miles of 24-inch in Butler County, PA (listed as a current project 2015-2016; estimated in-service November 2015)
Revolution Gathering Phase II[29]HDD and boreTwo 24-inch HDDs totaling 1,800 feet, performed in-house
Revolution Gathering Phase II[30]PrimeRight-of-way, lower-in and welding crews on the Revolution Gathering Phase II project for ETC in Butler County, PA (news posts October to December 2015)
Salt Creek Midstream - Apache NGL Meter Station[23]Prime20-, 16- and 12-inch meter station in Reeves County, TX, 70% complete (listed as a current project, October 2019)
Salt Creek Midstream - Brandywine[31]PrimeListed 2019: 27.2 miles of 20-inch, TX
Slope Creek to Tri-County Pipeline & Laterals[24]PrimeListed 2013 as Markwest - Slope Creek to Tri-County Pipeline & Laterals (18-24-inch, 1-10 miles)
Southern Company Kemper County IGCC Natural Gas Pipeline[32]PrimeListed 2012: 6 miles of 16-inch pipeline and meter station facilities near Meridian, MS
Targa Resources - Old Tom Loop[33]PrimeListed 2018: 25,000 feet of 12-inch poly pipe, TX
Velma Lateral[34]PrimePipeline construction (listed January 2023 as a planned project awaiting approvals; contractor M.G. Dyess Inc.)
Wacker Project[35]PrimeListed 2014: 2,600 feet of 8-inch pipe and a meter station, TN

Spreads

Spreads this company built as the prime contractor.

ProjectSpread
Majorsville to Beech BottomSpread 1[23]
Majorsville to Beech BottomSpread 2[23]
Majorsville to HopedaleSpread 3[24]
Majorsville to HopedaleSpread 4[24]
Mid-Continent Supply Header Interstate Pipeline ProjectSpread 3[4]

Sources disagree

These sources give different values for the same fact. Each value is listed with the sources that give it.

FactValues given
Website
  • www.mgdyess.com[2]
  • https://mgdyess.com[1]

References

  1. “Quality - MG Dyess (home page)”. M.G. Dyess, LLC. Retrieved 6 October 2026.
  2. “APCA member directory entry: M.G. Dyess, LLC”. American Pipeline Contractors Association. Retrieved 3 October 2026.
  3. “Southwest Louisiana Supply - MG Dyess”. M.G. Dyess, LLC. Retrieved 3 October 2026.
  4. “Midship Pipeline - Spread 3 - MG Dyess”. M.G. Dyess, LLC. Retrieved 3 October 2026.
  5. “Quanta Services, Inc. Form 10-K for 2022, Exhibit 21.1 subsidiaries”. Quanta Services, Inc. (filed with the SEC). 23 February 2023. Retrieved 6 October 2026.
  6. “About Us - MG Dyess”. M.G. Dyess, LLC. Retrieved 3 October 2026.
  7. “M.G. Dyess Inc. - Company Overview (2004 capture)”. M.G. Dyess Inc. Archived from the original on 24 June 2004. Retrieved 6 October 2026.
  8. “PLCA Member Directory”. Pipe Line Contractors Association. Retrieved 3 October 2026.
  9. “$680 million pipeline gets green light to move natural gas from Oklahoma to Gulf Coast”. Houston Chronicle. 4 March 2019. Retrieved 4 October 2026.
  10. “Cheniere, EIG Complete Financing, Issue Full Notice to Proceed on $650M Midship Pipeline Project”. Construction Equipment Guide (Business Wire). 13 March 2019. Retrieved 4 October 2026.
  11. “Pipeline News, July 2018: planned projects list (Midship Project, CP17-458)”. Pipeline News. July 2018. Retrieved 4 October 2026.
  12. “Spectra – Access South – Adair Southwest | MG Dyess”. M.G. Dyess, LLC. Archived from the original on 9 April 2019. Retrieved 3 October 2026.
  13. “Ongoing Projects: Construction Underway (Pipeline News, September 2017)”. Pipeline News. September 2017. Retrieved 3 October 2026.
  14. “Ongoing Projects: Construction Underway (Pipeline News, May 2017)”. Pipeline News. May 2017. Retrieved 3 October 2026.
  15. “Ongoing Projects: Construction Underway (Pipeline News, August 2019)”. Pipeline News. August 2019. Retrieved 3 October 2026.
  16. “CURRENT PROJECTS | MG Dyess”. M.G. Dyess, LLC. Archived from the original on 12 October 2013. Retrieved 3 October 2026.
  17. “Spectra Energy – Kingsport Expansion | MG Dyess”. M.G. Dyess, LLC. Archived from the original on 20 August 2016. Retrieved 3 October 2026.
  18. “Biweekly Status Report, Kingsport Expansion Project (CP13-534), May 2014”. East Tennessee Natural Gas, LLC (filed with FERC). 13 May 2014. Retrieved 6 October 2026.
  19. “Energy Transfer – Cadiz to DEO | MG Dyess”. M.G. Dyess, LLC. Archived from the original on 9 April 2019. Retrieved 3 October 2026.
  20. “Compressor Station 306 Reversal - MG Dyess”. M.G. Dyess, LLC. Retrieved 3 October 2026.
  21. “Ongoing Projects: Construction Underway (Pipeline News, February 2018)”. Pipeline News. February 2018. Retrieved 3 October 2026.
  22. “Kinder Morgan Cottonwood Bar Levee Relocation | MG Dyess”. M.G. Dyess, LLC. Archived from the original on 20 August 2016. Retrieved 3 October 2026.
  23. “Current Projects - MG Dyess (October 2019 capture)”. M.G. Dyess, Inc. Archived from the original on 16 October 2019. Retrieved 6 October 2026.
  24. “Projects - MG Dyess (2014 capture of the project database, page 1)”. M.G. Dyess, Inc. Archived from the original on 15 October 2014. Retrieved 6 October 2026.
  25. “MarkWest Utica EMG, LLC – Seneca to Cadiz Phase 2 South | MG Dyess”. M.G. Dyess, LLC. Archived from the original on 20 August 2016. Retrieved 3 October 2026.
  26. “Midship Natural Gas Pipeline, Oklahoma, USA”. Offshore Technology. Retrieved 4 October 2026.
  27. “Noble Midstream – Billie Minor System | MG Dyess”. M.G. Dyess, LLC. Archived from the original on 9 April 2019. Retrieved 3 October 2026.
  28. “Noble Midstream – Coronado Gathering System | MG Dyess”. M.G. Dyess, LLC. Archived from the original on 9 April 2019. Retrieved 3 October 2026.
  29. “Current Projects - MG Dyess (2016 capture)”. M.G. Dyess, Inc. Archived from the original on 22 October 2016. Retrieved 6 October 2026.
  30. “News & Updates - MG Dyess (2016 capture)”. M.G. Dyess, Inc. Archived from the original on 16 November 2016. Retrieved 6 October 2026.
  31. “Salt Creek Midstream – Brandywine | MG Dyess”. M.G. Dyess, LLC. Archived from the original on 9 April 2019. Retrieved 3 October 2026.
  32. “Southern Company Kemper County IGCC Natural Gas Pipeline | MG Dyess”. M.G. Dyess, LLC. Archived from the original on 17 October 2014. Retrieved 3 October 2026.
  33. “Targa Resources – Old Tom Loop | MG Dyess”. M.G. Dyess, LLC. Archived from the original on 9 April 2019. Retrieved 3 October 2026.
  34. “Planned Projects, Pipeline News January 2023”. Pipeline & Gas Journal / Pipeline News. January 2023. Retrieved 6 October 2026.
  35. “Spectra Energy – Wacker Project | MG Dyess”. M.G. Dyess, LLC. Archived from the original on 20 August 2016. Retrieved 3 October 2026.

This page was last edited on 23:37, 6 October 2026 (UTC). Version 1.

Built from public sources and kept up by the hands who worked for the firm; every fact carries its citation. Work is credited to the company as it was at the time. All companies. How editing works.