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Matheson Tri-Gas, Inc.

27 cases in this site's copy of the record · 2 of those 27 are marked open by the Board · Region 05, 06, 08, 10, 16, 19, 20, 32 · Chambersburg, PA; Dallas, TX; Frederick, MD; Greensburg, PA; Irving, TX; Jessup, MD and more

Each case links to the Board's own docket page. This site holds what the Board listed, not the documents.

What kinds of case

Type	What it is	Here
CA	Charge against an employer	18
RC	Petition for an election	7
RD	Petition to decertify	1
RM	Petition filed by an employer	1

The cases

Petition for an election
RC
Filed 2 November 2023Case 08-RC-329212ClosedMartins Ferry, OHRegion 08Workers in the unit 6
Included: All full time and regular part time counter sales and customer service representatives. Excluded: All professional employees and supervisors as defined in the Act.
Petition filed by an employer
RM
Filed 7 April 2023Case 19-RM-315713ClosedTualatin, ORRegion 19Workers in the unit 8
Included: Scheduled Route Drivers. Excluded: All Other employees, guards and supervisors as defined by the Act.
Charge against an employer
CA
Filed 18 January 2023Case 05-CA-310526ClosedChambersburg, PARegion 05Workers in the unit 4
Charge against an employer
CA
Filed 14 September 2022Case 06-CA-303350ClosedGreensburg, PARegion 06Workers in the unit 25
Charge against an employer
CA
Filed 18 July 2022Case 06-CA-299670ClosedGreensburg, PARegion 06Workers in the unit 22
Charge against an employer
CA
Filed 5 May 2022Case 16-CA-295351OpenDallas, TXRegion 16Workers in the unit 200
Charge against an employer
CA
Filed 6 April 2022Case 16-CA-293600OpenIrving, TXRegion 16Workers in the unit 300
Charge against an employer
CA
Filed 5 November 2021Case 10-CA-285722ClosedWaverly, TNRegion 10Workers in the unit 100
Charge against an employer
CA
Filed 4 November 2021Case 10-CA-285721ClosedWaverly, TNRegion 10Workers in the unit 100
Charge against an employer
CA
Filed 4 November 2021Case 10-CA-285720ClosedWaverly, TNRegion 10Workers in the unit 100
Charge against an employer
CA
Filed 21 October 2021Case 10-CA-284909ClosedWaverly, TNRegion 10Workers in the unit 100
Charge against an employer
CA
Filed 13 October 2021Case 10-CA-284478ClosedWaverly, TNRegion 10Workers in the unit 100
Charge against an employer
CA
Filed 12 October 2021Case 10-CA-284355ClosedWaverly, TNRegion 10Workers in the unit 100
Petition for an election
RC
Filed 10 September 2021Case 10-RC-282736ClosedWaverly, TNRegion 10Workers in the unit 100
Included: permanent hourly in operations shipping receiving maintenance cylinder prep & lab Excluded: clerical, managers, security
MATHESON TRI-GAS, INC.
CA
Filed 9 September 2021Case 10-CA-282627ClosedWaverly, TNRegion 10Workers in the unit 100
Charge against an employer
CA
Filed 28 July 2021Case 06-CA-280587ClosedGreensburg, PARegion 06Workers in the unit 18
Charge against an employer
CA
Filed 25 May 2021Case 06-CA-277709ClosedGreensburg, PARegion 06Workers in the unit 18
Petition for an election
RC
Filed 25 February 2021Case 05-RC-273281ClosedFrederick, MDRegion 05Workers in the unit 4
Included: All drivers, installers, gas fitters, and inside sales representatives. Excluded: Guards and supervisors as defined by the Act.
Petition for an election
RC
Filed 25 February 2021Case 05-RC-273278ClosedChambersburg, PARegion 05Workers in the unit 4
Included: all drivers, including VMI drivers and cylinder delivery drivers, installers, gas fitters, and inside sales representatives Excluded: guards and supervisors as defined by the Act
Petition for an election
RC
Filed 3 December 2020Case 06-RC-269695ClosedGreensburg, PARegion 06Workers in the unit 25
Included: All full-time drivers Excluded: Office clerical, supervisors, and professional employees
Charge against an employer
CA
Filed 29 October 2020Case 20-CA-268337ClosedKapolei, HIRegion 20Workers in the unit 14
Charge against an employer
CA
Filed 15 October 2018Case 32-CA-229318ClosedMartinez, CARegion 32Workers in the unit 2
Charge against an employer
CA
Filed 17 August 2017Case 10-CA-204542ClosedWaverly, TNRegion 10Workers in the unit 140
Petition to decertify
RD
Filed 18 August 2015Case 05-RD-158169ClosedSalisbury, MDRegion 05Workers in the unit 17
Included: All full-time drivers, fire equip, customer service, fillers, utility and service technician employees Excluded: All office clerical, dispatchers, managerial, professional, guards & supervisors as defined in the Act.
Charge against an employer
CA
Filed 14 May 2015Case 10-CA-152304ClosedWaverly, TNRegion 10Workers in the unit 100
Petition for an election
RC
Filed 11 December 2014Case 05-RC-142645ClosedJessup, MDRegion 05Workers in the unit 11
Included: All full time and part time drivers and fire equipment division employees employed at the Jessup, Maryland localtion Excluded: All supervisors, office clerical and guards as defined by the Act.
Petition for an election
RC
Filed 30 June 2014Case 05-RC-131787ClosedSalisbury, MDRegion 05Workers in the unit 14
Included: ALL FULL TIME AND PART TIME DRIVERS AND FIRE EQUIPMENT DIVISION EMPLOYEES EMPLOYED AT THE SALISBURY AND EASTON, MARYLAND LOCATIONS Excluded: ALL SUPERVISORS, OFFICE CLERICAL, DISPATCHERS AND GUARDS AS DEFINED BY THE ACT

Last refreshed 19 September 2026. What is in it, and what is not.

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