SIC 3640 · Manufacturing
Electric Lighting & Wiring Equipment
OpenFilings tracks 2 companies that the SEC classifies under Standard Industrial Classification code 3640; the most recent filing among them is dated Oct 27, 2026. 2 of them report standardized annual figures in XBRL, shown in the revenue column.
SEC EDGAR snapshot updated Oct 27, 2026, 11:27 PM EDT. Not investment advice.
Companies in this industry
| # | Company | State | Latest filing | Revenue (latest FY) |
|---|---|---|---|---|
| 939 | AYI ACUITY INC. (DE) | GA | Oct 27, 2026 | $4.6BFY2026 |
| 2632 | LYTS LSI INDUSTRIES INC | OH | Oct 9, 2026 | $689.4MFY2026 |
Ranked by position in the SEC company ticker list (roughly by market value) among all companies we track. Revenue is the latest full fiscal year; amounts in a foreign currency are shown with its code.
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Latest reports from these companies
Annual, quarterly and current reports and proxy statements filed by the companies above, newest first.
| Filed | Company | Form | What it is | Original |
|---|---|---|---|---|
| Oct 23, 2026 | AYI ACUITY INC. (DE) | 10-K | Annual report· period Aug 31, 2026 | Document · Index |
| Oct 9, 2026 | LYTS LSI INDUSTRIES INC | DEF 14A | Definitive proxy statement· period Nov 24, 2026 | Document · Index |
| Oct 1, 2026 | AYI ACUITY INC. (DE) | 8-K | Results of operations· period Oct 1, 2026 | Document · Index |
| Sep 29, 2026 | AYI ACUITY INC. (DE) | 8-K | Director or officer change· period Sep 24, 2026 | Document · Index |
| Sep 3, 2026 | LYTS LSI INDUSTRIES INC | 10-K | Annual report· period Jun 30, 2026 | Document · Index |
| Aug 25, 2026 | LYTS LSI INDUSTRIES INC | 8-K | Director or officer change· period Aug 19, 2026 | Document · Index |
| Aug 20, 2026 | LYTS LSI INDUSTRIES INC | 8-K | Results of operations; Regulation FD disclosure· period Aug 20, 2026 | Document · Index |
| Aug 20, 2026 | LYTS LSI INDUSTRIES INC | 8-K | Director or officer change· period Aug 19, 2026 | Document · Index |
| Jun 25, 2026 | AYI ACUITY INC. (DE) | 8-K | Results of operations· period Jun 25, 2026 | Document · Index |
| Jun 25, 2026 | AYI ACUITY INC. (DE) | 10-Q | Quarterly report· period May 31, 2026 | Document · Index |
| May 13, 2026 | AYI ACUITY INC. (DE) | 8-K | Material agreement; New financial obligation· period May 8, 2026 | Document · Index |
| May 8, 2026 | LYTS LSI INDUSTRIES INC | 10-Q | Quarterly report· period Mar 31, 2026 | Document · Index |
| Apr 2, 2026 | AYI ACUITY INC. (DE) | 8-K | Results of operations· period Apr 2, 2026 | Document · Index |
| Apr 2, 2026 | AYI ACUITY INC. (DE) | 10-Q | Quarterly report· period Feb 28, 2026 | Document · Index |
| Dec 11, 2025 | AYI ACUITY INC. (DE) | DEF 14A | Definitive proxy statement· period Aug 31, 2025 | Document · Index |
Related industries in Manufacturing
- Pharmaceutical Preparations (194)
- Semiconductors & Related Devices (71)
- Biological Products, (No Diagnostic Substances) (61)
- Surgical & Medical Instruments & Apparatus (51)
- Motor Vehicle Parts & Accessories (21)
- Motor Vehicles & Passenger Car Bodies (17)
- Petroleum Refining (17)
- Miscellaneous Electrical Machinery, Equipment & Supplies (15)
- Radio & Tv Broadcasting & Communications Equipment (13)
- Laboratory Analytical Instruments (12)
- Beverages (11)
- Orthopedic, Prosthetic & Surgical Appliances & Supplies (11)
Source
- U.S. Securities and Exchange Commission, EDGAR company submissions (SIC code and description) and XBRL company facts. The SEC does not endorse OpenFilings.
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