[manufacturer] POWERsonic Industries Inc. — a privately held wire harness and cable assembly contract manufacturer founded in 1998 with ~100-150 employees across 7 locations. The exposed material spans every entity in the POWERsonic corporate structure: <redacted> <redacted> Employee PII for 93-150 employees — SIN documents, passports, I-20 visas, LMIA immigration approvals, W-2 tax forms, pay stubs, banking information. Plus 8 complete email archives totaling 13.2 GB. Customer proprietary designs — 7.5 GB of Demers Ambulance wiring harness data, 15 GB of CIRRIS cable test results, Mold Masters drawings, and a bilateral NDA with Husky Injection Molding. Full financial records — Dec 2025 balance sheet ($285K cash, $5.1M AP), trial balance, revenue data ($17.7M US), loan agreements, order margins (~45%), insurance policies. <redacted>