Mastro Electric Supply Co., Inc.
Providence, Rhode Island · Electronics & Electrical Contact only 80+ years
Est. 1946 · ✓ verified live · Aug 2026
Address
555 Elmwood Ave, Providence, RI 02907
Phone
Email
Facebook
Twitter / X
Founded
1946
Site verified live
Yes
Secure (HTTPS)
Yes
Company type
Inc.
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Compiled from mastroelectric.com and public sources — a free listing, never paid placement.