Marelich Mechanical
Apollo-enriched 2026-04-21. Founded 1932, HQ Hayward CA, EMCOR subsidiary. $19-35M revenue, ~71 Apollo-tracked employees (likely undercounts field/union workforce). Commercial mech, healthcare + high-rise residential.
Named contacts — enriched (Apollo 2026-04-21)
| Name | Title | Apollo ID | |
|---|---|---|---|
| Keith Atteberry | President & CEO | k.atteberry@marelich.com ✓ |
54a5f85f7468693442a395b7 |
| John Powell | VP of Estimating | john.powell@marelich.com ✓ |
668170e118a7560001e31113 |
| Shannon Fleshman | VP, Division Manager | shannon.fleshman@marelich.com ✓ |
66f85335fb40b300014e520a |
All 3 emails verified. CEO + 2 VPs. Finance may consolidate up to EMCOR corporate (Marelich is an EMCOR subsidiary).
Promote-to-T1 signals
- EMCOR-sub cluster motion validated via Mesa/Dynalectric
- CA healthcare construction wave
Notes
EMCOR sub — independent P&L. Pair w/ Mesa Energy Systems (same parent, CA).