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. Author manuscript; available in PMC: 2023 Feb 1.
Published in final edited form as: Int J Progn Health Manag. 2021;12(1):10.36001/ijphm.2021.v12i1.2883. doi: 10.36001/ijphm.2021.v12i1.2883

Table 2.

Responses to the Survey by Firm Size and NAICS Code

32 331 332 333 334 335 336 337 339 TOTAL
a. 1 to 4 Employees 1 1
b. 5 to 9 Employees 1 1 1 2 5
c. 10 to 19 Employees 1 3 3 7
d. 20 to 49 Employees 3 5 3 4 1 1 17
e. 50 to 99 Employees 3 4 2 1 3 1 14
f. 100 to 249 Employees 2 8 1 1 2 2 1 17
g. 250 to 499 Employees 1 1 1 2 1 6
h. 500 to 999 Employees 1 1
i. 1000 or more Employees 1 1 2
Blank 1 1

TOTAL 7 0 21 13 13 4 9 0 4 71

Source: Douglas Thomas and Brian Weiss. “Economics of Manufacturing Machinery Maintenance: A Survey and Analysis of U.S. Costs and Benefits.” NIST Advanced Manufacturing Series 100–34. https://doi.org/10.6028/NIST.AMS.100–34