# EF Johnson Technologies, Inc.

EF Johnson Technologies, Inc. is a company headquartered in Irving, TX, United States.

## Company overview

- **Legal name:** EF Johnson Technologies, Inc.
- **Former names in filing history:** EFJ INC (2002-06-18 to 2008-05-15); TRANSCRYPT INTERNATIONAL INC (1996-10-18 to 2002-05-07)
- **Classification:** Company
- **Industry (SIC):** 3663 — Radio & Tv Broadcasting & Communications Equipment
- **Headquarters:** Irving, TX, United States
- **Incorporated in:** DE
- **Fiscal year end:** December 31
- **SEC CIK:** 0001023516

## About

EF Johnson Technologies, Inc. is identified in the retained SEC EDGAR snapshot dated 2026-10-14. Its SEC Central Index Key is 0001023516, and its reported industry is Radio & Tv Broadcasting & Communications Equipment. The retained history contains 12 filings, including 8-K filed on 2010-08-13. Each filing retains its accession, filing date and original SEC document link. This historical evidence does not establish current registration, listing, ownership or financial condition.

## Recent SEC filings

- Form 8-K — filed 2010-08-13 — period 2010-08-12 — CURRENT REPORT OF MATERIAL EVENTS OR CORPORATE CHANGES
- Form 10-Q — filed 2010-08-06 — period 2010-06-30 — QUARTERLY REPORT PURSUANT TO SECTIONS 13 OR 15(D)
- Form 8-K — filed 2010-06-21 — period 2010-06-19 — 8-K
- Form 8-K — filed 2010-05-17 — period 2010-05-17 — CURRENT REPORT OF MATERIAL EVENTS OR CORPORATE CHANGES
- Form 10-Q — filed 2010-05-17 — period 2010-03-31 — QUARTERLY REPORT PURSUANT TO SECTIONS 13 OR 15(D)
- Form 8-K — filed 2010-05-17 — period 2010-05-15 — CURRENT REPORT OF MATERIAL EVENTS OR CORPORATE CHANGES
- Form 10-K/A — filed 2010-04-30 — period 2009-12-31 — 10-K/A
- Form 10-K — filed 2010-03-31 — period 2009-12-31 — 10-K
- Form 8-K — filed 2010-03-31 — period 2010-03-31 — CURRENT REPORT OF MATERIAL EVENTS OR CORPORATE CHANGES
- Form 8-K — filed 2010-03-05 — period 2010-03-02 — CURRENT REPORT OF MATERIAL EVENTS OR CORPORATE CHANGES
- Form 8-K — filed 2010-02-17 — period 2010-02-03 — CURRENT REPORT OF MATERIAL EVENTS OR CORPORATE CHANGES
- Form SC 13G — filed 2010-02-16 — EF JOHNSON TECHNOLOGIES, INC.

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Updated: 2026-10-23T22:16:53Z

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