Public provider record / NAT-F183970-2
Countywide Mechanical Systems, Inc.
EPA or authorized-state firm · El Cajon, CA
Registry fieldsEdition 2026.08
| Address | 1400 North Johnson Avenue, El Cajon, CA 92020 |
|---|---|
| Phone | (619) 449-9900 |
| Program | RRP |
| Certification # | NAT-F183970-2 |
| Expires | 2028-03-27 |
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