Telephone Apparatus Manufacturing

This industry comprises establishments primarily engaged in manufacturing wire telephone and data communications equipment. These products may be stand-alone or board-level components of a larger system. It has no schema of its own: companies here are mapped on the Manufacturing schema, and what it does not cover is recorded as gaps.

Baseline: Manufacturing v2
Inherited from: Manufacturing
Companies mapped: 0 of 0
Primitives: 57 in 8 parts
Last updated: Nov 2, 2026

The numbers for this industry

United States · 2023 · NAICS 334210

Establishments: 161
Employees: 8,893
Annual payroll: $1.3B
Payroll per employee: $150.3K

Establishments by number of employees

1-457
5-930
10-1914
20-4930
50-9916
100-2497
500-9993

Source: US Census Bureau, County Business Patterns 2023 (national file), employees as of mid-March 2023, payroll for the year; published 2025-06-26. Coded on NAICS 2017. Withheld cells read as not published.

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Focused research on the least-covered organizations in telephone apparatus manufacturing; what it finds is public for everyone.

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29 parameters

Parameter	Primitive	Type	Unit	Companies	Median	Range
Standard gross margin	Price lists and margin rulesPremium	Percent	%	Members	Members	—
Quote turnaround	Quotes and bid responses	Number	days	0	—	—
Quotes won	Quotes and bid responses	Percent	%	0	—	—
Purchase price variance	Purchasing	Percent	%	0	—	—
Inventory turns	Raw, work-in-progress and finished goods	Number	per year	0	—	—
Days of inventory	Raw, work-in-progress and finished goods	Number	days	0	—	—
Orders on time and in full	Shipping	Percent	%	0	—	—
Bill of materials accuracy	Bill of materials	Percent	%	0	—	—
Revisions per month	Bill of materials	Number	revisions	0	—	—
Days to release a change	Engineering changes	Number	days	0	—	—
Schedule attainment	Production schedulingPremium	Percent	%	Members	Members	—
Average changeover	Production schedulingPremium	Number	minutes	Members	Members	—
Work orders closed on time	Work orders	Percent	%	0	—	—
Average cycle time	Work orders	Number	hours	0	—	—
Overall equipment effectiveness	Machine capacityPremium	Percent	%	Members	Members	—
Capacity utilisation	Machine capacityPremium	Percent	%	Members	Members	—
Unplanned downtime	Machine capacityPremium	Percent	%	Members	Members	—
Maintenance that is planned	Maintenance	Percent	%	0	—	—
Mean time between failures	Maintenance	Number	hours	0	—	—
Supplier defects	Supplier qualityPremium	Number	parts per million	Members	Members	—
Supplier deliveries on time	Supplier qualityPremium	Percent	%	Members	Members	—
Cost variance against standard	Standard costs and variancesPremium	Percent	%	Members	Members	—
Material share of product cost	Standard costs and variancesPremium	Percent	%	Members	Members	—
Recordable incident rate	Plant safety and environment	Number	per 100 workers	0	—	—
Quality system certification	Quality management system	Choice none · documented, not certified · certified · certified, sector-specific	—	0	—	—
First-pass yield	Quality management system	Percent	%	0	—	—
Scrap rate	Quality management system	Percent	%	0	—	—
Hours to trace a lot end to end	Lot traceability	Number	hours	0	—	—
Recall drills per year	Lot traceability	Number	drills	0	—	—

Median and range are shown once 3 or more companies on Telephone Apparatus Manufacturing and below have published a number; each company counts once.

Filter

29 parameters

Parameter	Primitive	Type	Unit	Companies	Median	Range
Standard gross margin	Price lists and margin rulesPremium	Percent	%	Members	Members	—
Quote turnaround	Quotes and bid responses	Number	days	0	—	—
Quotes won	Quotes and bid responses	Percent	%	0	—	—
Purchase price variance	Purchasing	Percent	%	0	—	—
Inventory turns	Raw, work-in-progress and finished goods	Number	per year	0	—	—
Days of inventory	Raw, work-in-progress and finished goods	Number	days	0	—	—
Orders on time and in full	Shipping	Percent	%	0	—	—
Bill of materials accuracy	Bill of materials	Percent	%	0	—	—
Revisions per month	Bill of materials	Number	revisions	0	—	—
Days to release a change	Engineering changes	Number	days	0	—	—
Schedule attainment	Production schedulingPremium	Percent	%	Members	Members	—
Average changeover	Production schedulingPremium	Number	minutes	Members	Members	—
Work orders closed on time	Work orders	Percent	%	0	—	—
Average cycle time	Work orders	Number	hours	0	—	—
Overall equipment effectiveness	Machine capacityPremium	Percent	%	Members	Members	—
Capacity utilisation	Machine capacityPremium	Percent	%	Members	Members	—
Unplanned downtime	Machine capacityPremium	Percent	%	Members	Members	—
Maintenance that is planned	Maintenance	Percent	%	0	—	—
Mean time between failures	Maintenance	Number	hours	0	—	—
Supplier defects	Supplier qualityPremium	Number	parts per million	Members	Members	—
Supplier deliveries on time	Supplier qualityPremium	Percent	%	Members	Members	—
Cost variance against standard	Standard costs and variancesPremium	Percent	%	Members	Members	—
Material share of product cost	Standard costs and variancesPremium	Percent	%	Members	Members	—
Recordable incident rate	Plant safety and environment	Number	per 100 workers	0	—	—
Quality system certification	Quality management system	Choice none · documented, not certified · certified · certified, sector-specific	—	0	—	—
First-pass yield	Quality management system	Percent	%	0	—	—
Scrap rate	Quality management system	Percent	%	0	—	—
Hours to trace a lot end to end	Lot traceability	Number	hours	0	—	—
Recall drills per year	Lot traceability	Number	drills	0	—	—

Median and range are shown once 3 or more companies on Telephone Apparatus Manufacturing and below have published a number; each company counts once.