Janesville Contractor email list
Janesville, WI has 170 contractor in the MapLeads maps index. Use the table below to filter the market, then scrape or export inside MapLeads for full contacts.
Janesville Contractor market size
The 170 figure is a deduplicated count for contractor in Janesville. 54% website coverage means that share of rows has a website or domain. Figures update when MapLeads refreshes the index.
Businesses
170
Contractor in Janesville — same business-row filter as the table.
Website coverage
54%
Share of rows in the current filter with a website field (row aggregate).
Reachable pool
92
Rows in this filter with a website field — enrichment pool.
Outreach score
55
0–100 from current-filter volume and website coverage (query-time on rows).
Outreach calculator
Janesville contractor — start from the 92 operators with a website field (170 total in this cut). Adjust your average order value and close rate to size pipeline.
Formula: reachable pool (rows with a website field) × close rate × average order value. This is a planning estimate, not a forecast — actual conversion depends on offer, list quality, and follow-up.
| Business | Industry | Location | Phone | Website |
|---|---|---|---|---|
| High Speed Manufacturing LLC | Machine shop; Design * | Janesville, WI | +1 262 *** **97 | highspeedmanufacturin* |
| COMO Filtration Systems | Manufacturer; General* | Janesville, WI | +1 800 *** **28 | comofiltration.com |
| Quality Fab Inc. | Sheet metal contractor | Janesville, WI | +1 608 *** **74 | — |
| Woodward Heating & Boiler Services | Heating contractor | Janesville, WI | +1 608 *** **86 | — |
| Quality Rock | Dry wall contractor | Janesville, WI | +1 608 *** **45 | — |
| Simmons Fence & Specialty Products,* | Fence contractor; Fen* | Janesville, WI | +1 608 *** **10 | simmonsfence.com |
| Olson and Sons Contracting | Contractor | Janesville, WI | — | — |
| Custom Masonry Specialists, LLC | Masonry contractor; C* | Janesville, WI | +1 608 *** **30 | — |
| C & R Roofing | Roofing contractor; G* | Janesville, WI | +1 608 *** **78 | candrroofingjanesvill* |
| Schneider Snow Plowing and Lawn Care | Snow removal service;* | Janesville, WI | +1 608 *** **88 | janesvilleplowing.com |
| Finco Concrete | Concrete contractor | Janesville, WI | +1 608 *** **92 | — |
| Morris Excavating | Excavating contractor | Janesville, WI | +1 608 *** **77 | — |
| Deck Deckor | General contractor | Janesville, WI | +1 608 *** **73 | deckdeckor.com |
| Adee Brothers Excavating | Excavating contractor | Janesville, WI | +1 608 *** **64 | — |
| Connors Supply Inc | Air conditioning cont* | Janesville, WI | +1 608 *** **00 | — |
| Tri-Cor Mechanical LLC | Heating contractor | Janesville, WI | — | — |
| Top Solutions Cooling & Heating | HVAC contractor | Janesville, WI | +1 608 *** **34 | tophvacsolutions.com |
| At Your Services Heating & Cooling | HVAC contractor | Janesville, WI | +1 608 *** **68 | — |
| Dog Guard Underground Fence | Fence contractor | Janesville, WI | +1 815 *** **61 | dogguardofrockford.com |
| Miles Majik Home Improvements Const* | General contractor; B* | Janesville, WI | +1 608 *** **86 | milesmajik.com |
Page 1 of 9 · 170 rows
Pull a live list for contractor in Janesville
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Contractor in Janesville
Janesville, WI has 170 contractor businesses in the MapLeads maps index, making contractor the 1st largest vertical in the city (5.3% of Janesville's 3,188 businesses).
54.1% of those contractor rows carry a website — the enrichment pool for an email campaign in Janesville. Counts refresh with each index update.
The contractor market
General contractors and remodelers in this category are overwhelmingly small, owner-operated crews — one to a handful of employees, working residential jobs within a tight local radius. The owner is almost always the one answering the phone, bidding jobs, and deciding what to buy. Licensing and insurance requirements vary by state, which keeps the field fragmented rather than dominated by national players.
Janesville holds 0.0% of the 528,890 contractor businesses MapLeads tracks nationwide; within WI, Milwaukee leads the vertical at 634.
Janesville as a market
Janesville overall holds 3,188 businesses. Its largest verticals are Contractor (170), Doctor (153), Restaurant (149).
How to use this list
- Start with the 170 Janesville contractor rows below, then expand to nearby cities if volume runs short.
- Prefer rows with a website (54.1% of this market) for enrichment before cold email.
- Re-pull this city × industry cut after campaigns or quarterly — not the full national file every time.
FAQ: Janesville Contractor email list
How many contractor businesses are in Janesville?
Janesville, WI has 170 contractor businesses in the MapLeads maps index — 5.3% of the city's 3,188 total, with 54.1% carrying a website. Counts refresh with each index update.
Does "contractor" here mean licensed general contractors, or does it also sweep in handyman and remodeling businesses?
It follows whatever category Google Maps assigned the business, which in practice includes general contractors, remodelers, and handyman services that self-identify under the contractor category — licensing status itself is not part of the Maps data.
How does Janesville compare with other WI cities for contractor?
Milwaukee leads WI with 634 contractor businesses; Janesville holds 170. Both city markets are linked below.