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                             December 1, 2023

       Mike Morrison
       Chief Financial Officer
       NCS Multistage Holdings, Inc.
       19350 State Highway 249
       Suite 600
       Houston, TX 77070

                                                        Re: NCS Multistage 
Holdings, Inc.
                                                            Form 10-K for the 
Fiscal Year ended December 31, 2022
                                                            Filed March 7, 2023
                                                            File No. 001-38071

       Dear Mike Morrison:

                                                        We have reviewed your 
filing and have the following comments.

              Please respond to this letter within ten business days by 
providing the requested
       information or advise us as soon as possible when you will respond. If 
you do not believe a
       comment applies to your facts and circumstances, please tell us why in 
your response.

                                                        After reviewing your 
response to this letter, we may have additional comments.

       Form 10-K for the Fiscal Year ended December 31, 2022

       Management's Discussion and Analysis
       Results of Operations, page 41

   1.                                                   We note your 
disclosures in the second and fifth paragraphs on page 40 explaining that
                                                        competition amongst 
oilfield services companies has increased as E&P companies are
                                                        increasingly focused on 
operational efficiencies and lowering costs, which has limited
                                                        your pricing power, 
while further clarifying that you lower the prices of your products and
                                                        services in order to 
compete in certain markets.

                                                        However, in describing 
the changes in revenues on pages 41 and 42 you indicate the
                                                        increase in 2022 
"...largely resulted from higher drilling and completion activity," and
                                                        more specifically, 
reflects higher product sales and services volumes in Canada and the
                                                        United States, and 
higher service volumes internationally offset by lower product sales
                                                        internationally, 
without indicating the change associated with changes in prices.
 Mike Morrison
FirstName LastNameMike    Morrison
NCS Multistage  Holdings, Inc.
Comapany1,
December  NameNCS
             2023    Multistage Holdings, Inc.
December
Page 2    1, 2023 Page 2
FirstName LastName
         Please address the requirement in Item 303(b) of Regulation S-K, 
regarding material
         changes in one or more line items, including material changes within a 
line item that
         offset one another, to describe the underlying reasons for the 
material changes in
         quantitative and qualitative terms; and the requirement in Item 
303(b)(2)(iii) of Regulation
         S-K, to disclose the extent to which material changes in revenues are 
attributable to
         changes in prices or to changes in the volume or the amount of goods 
or services being
         sold, or to the introduction of new products or services.

         Please also clarify how the volumetric activity underlying your 
present disclosures had
         been assessed and expand your disclosures to include quantification of 
the volumes of
         products and services sold in each period.
Adjusted EBITDA and Adjusted EBITDA Less Share-Based Compensation, page 43

2.       We note that your measure of Adjusted EBITDA excludes costs of 
professional services
         related to financings, legal proceedings and the evaluation of 
potential acquisitions, which
         you assert "...are not reflective of [your] ongoing operating 
performance."

         However, as these appear to be normal, recurring cash operating 
expenses that are
         necessary to operate the business, tell us how you considered the the 
guidance in the
         answer to Question 100.01 of our non-GAAP Compliance & Disclosure 
Interpretations, in
         compiling and disclosing Adjusted EBITDA as a measure of performance.

         For example, explain to us why you would not need to discuss and 
analyze the excluded
         professional fees along with your disclosure of the non-GAAP measure, 
to clarify (i) the
         utility and necessity of the costs in supporting your ongoing 
operations, and (ii) the
         limitations of the non-GAAP measure in assessing your operating 
performance.
Financial Statements
Report of Independent Registered Public Accounting Firm, page 50

3.       Please ask your auditor to clarify or reconcile between the reference 
made in the first
         sentence of the audit report to a singular period in describing the 
financial statements that
         were subject to audit (i.e. "the period ended December 31, 2022"), and 
the multiple
         periods referenced in expressing an opinion in the second sentence of 
the audit report.
Note 17 - Segment and Geographic Information, page 75

4.       Given the various product and service offerings described on pages 6 
and 7, please
         address the requirement to separately report the amounts of revenues 
from external
         customers for each product and service, or each group of similar 
products and services, in
         FASB ASC 280-10-50-40, and clarify your rationale for any aggregation 
of revenues
         based on the similarity of the products or services.

         For example, identify the particular products and services for which 
aggregated revenue
         information has been or would be disclosed and describe the particular 
economic and
 Mike Morrison
NCS Multistage Holdings, Inc.
December 1, 2023
Page 3
         functional attributes or characteristics that you considered and 
assessed in formulating a
         view on similarity in fulfilling this disclosure requirement.

        We remind you that the company and its management are responsible for 
the accuracy
and adequacy of their disclosures, notwithstanding any review, comments, action 
or absence of
action by the staff.

       Please contact Mark Wojciechowski at 202-551-3759 or Karl Hiller at 
202-551-3686 if
you have questions regarding comments on the financial statements and related 
matters.



FirstName LastNameMike Morrison                                Sincerely,
Comapany NameNCS Multistage Holdings, Inc.
                                                               Division of 
Corporation Finance
December 1, 2023 Page 3                                        Office of Energy 
& Transportation
FirstName LastName