Best Electrical Panel Upgrades in Frederick, CO (2026)

6 verified businesses · Sorted by rating & reviews

Also in Frederick

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1

Salzano Electric Denver

Google★★★★★5374 reviews
→ Stable·3 mo: 5★ (7)·6 mo: 5★ (19)
Staff:+Jerry (2)
1615 California St Suite 402, Denver, CO 80202
+1303-276-1495
HVAC contractor
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2

Piper Electric Co

Google★★★★½4.8168 reviews
Yelp4.5 stars4.6139 reviews
↑ Improving·3 mo: 5★ (1)·6 mo: 5★ (12)
5550 W 60th Ave, Arvada, CO 80003
+1303-422-9219
Electrician
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3

JM Electric Inc.

Google★★★★★5155 reviews
→ Stable·3 mo: 5★ (5)·6 mo: 5★ (15)
+1303-732-8086
Electrician
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4

MH Electrical and Solar

Google★★★★★585 reviews
Yelp5 stars563 reviews
→ Stable·3 mo: 5★ (2)·6 mo: 5★ (6)
2806 Speer Blvd, Denver, CO 80211
+1303-915-0914
Electrician
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MH Electrical and Solar photo 1MH Electrical and Solar photo 2
5

Advancetec Electric ( Advancetec Services)

Google★★★★½4.822 reviews
3320 W 29th Ave, Denver, CO 80211
+1720-581-4399
Electrician
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6

Stellar Electrical Contractors

Google★★★★★515 reviews
→ Stable·3 mo: 5★ (1)·6 mo: 5★ (1)
2108 Lafayette St, Denver, CO 80205
+1720-593-6004
Electrical installation service
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