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Northern Technologies International Corp vs Omega Flex, Inc. vs ZK International Group Co., Ltd. vs ZJK Industrial Co., Ltd.

Latest annual figures from SEC filings. Each company is shown for its own most recent fiscal year, so period ends can differ. Select a figure to see its full history.

Latest fiscal yearNorthern Technologies International Corp
NTIC
Omega Flex, Inc.
OFLX
ZK International Group Co., Ltd.
ZKIN
ZJK Industrial Co., Ltd.
ZJK
Year ended2025-08-312025-12-312025-09-302025-12-31
Revenue$84.23M$98.30M$71.24M$56.10M
Revenue growth (YoY)-1.0%-3.3%-34.2%+48.4%
Gross margin37.6%60.0%5.7%43.7%
Operating margin3.1%17.2%-6.0%16.9%
Net margin0.0%15.1%-5.6%18.1%
Net income$17.6K$14.83M-$3.99M$10.15M
EPS (Diluted)$0.00$1.47-$0.70$0.16
Operating cash flow$2.44M$17.17M$736.4K$6.56M
Free cash flow$916.5K$15.35M$147.8Kn/a
Cash & equivalents$7.25M$53.23M$2.31M$14.35M
Total assets$102.75M$104.95M$62.87M$79.53M
Total liabilitiesn/a$20.95M$38.25M$35.93M
Shareholders' equity$72.15M$84.19M$24.61M$43.59M
Return on year-end equity0.0%17.6%-16.2%23.3%
Shares outstanding9.48M10.09M6.61M61.38M

n/a means the company did not report that line under the concept TickerFacts maps, not that it is zero.

Revenue, most recent five fiscal years

Fiscal yearNorthern Technologies International CorpOmega Flex, Inc.ZK International Group Co., Ltd.ZJK Industrial Co., Ltd.
Latest$84.23M
Ended 2025-08-31
$98.30M
Ended 2025-12-31
$71.24M
Ended 2025-09-30
$56.10M
Ended 2025-12-31
1 year earlier$85.06M
Ended 2024-08-31
$101.68M
Ended 2024-12-31
$108.20M
Ended 2024-09-30
$37.81M
Ended 2024-12-31
2 years earlier$79.90M
Ended 2023-08-31
$111.47M
Ended 2023-12-31
$111.60M
Ended 2023-09-30
$29.06M
Ended 2023-12-31
3 years earlier$74.16M
Ended 2022-08-31
$125.49M
Ended 2022-12-31
$102.39M
Ended 2022-09-30
$24.79M
Ended 2022-12-31
4 years earlier$56.49M
Ended 2021-08-31
$130.01M
Ended 2021-12-31
$99.41M
Ended 2021-09-30
n/a