Ontario Construction Company email list
Ontario, CA has 65 construction company in the MapLeads maps index. Use the table below to filter the market, then scrape or export inside MapLeads for full contacts.
Ontario Construction Company market size
The 65 figure is a deduplicated count for construction company in Ontario. 63% website coverage means that share of rows has a website or domain. Figures update when MapLeads refreshes the index.
Businesses
65
Construction Company in Ontario — same business-row filter as the table.
Website coverage
63%
Share of rows in the current filter with a website field (row aggregate).
Reachable pool
41
Rows in this filter with a website field — enrichment pool.
Outreach score
54
0–100 from current-filter volume and website coverage (query-time on rows).
Outreach calculator
Ontario construction company — start from the 41 operators with a website field (65 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 |
|---|---|---|---|---|
| TDJenkins Construction | Construction company | Ontario, CA | +1 714 *** **39 | — |
| American Empire Fire Stop, Inc. | Construction company | Ontario, CA | +1 951 *** **45 | americanempirefiresto* |
| Caliber Construction Inc. | Construction company | Ontario, CA | — | — |
| CalPortland | Concrete contractor; * | Ontario, CA | +1 909 *** **89 | calportland.com |
| Andrews Corp | Construction company | Ontario, CA | +1 951 *** **00 | — |
| Cruz Construction | Construction company;* | Ontario, CA | +1 909 *** **45 | — |
| SCS Engineers, Ontario | Environmental consult* | Ontario, CA | +1 909 *** **08 | scsengineers.com |
| Suez Advanced Solutions | Construction company | Ontario, CA | +1 951 *** **23 | — |
| United Water Restoration Group of O* | Water damage restorat* | Ontario, CA | +1 909 *** **95 | unitedwaterrestoratio* |
| West Coast Kitchen Bath Bathroom Re* | Construction company | Ontario, CA | +1 909 *** **34 | — |
| Fullmer Construction | Construction company;* | Ontario, CA | +1 909 *** **67 | fullmerco.com |
| Calvillo Construction Corp | Construction company | Ontario, CA | +1 909 *** **55 | calvilloconstructionc* |
| HHS Construction | Construction company | Ontario, CA | +1 909 *** **70 | congruex.com |
| Brady Construction Group | Construction company;* | Ontario, CA | +1 909 *** **61 | bradyconstruction.com |
| Teichert Pipelines | Construction company | Ontario, CA | +1 916 *** **00 | teichertpipelines.com |
| Cova Construction Inc. | Construction company | Ontario, CA | +1 909 *** **45 | covaconstructioninc.c* |
| Pacific Rebar Inc | Construction company;* | Ontario, CA | +1 909 *** **99 | pacificrebarinc.us |
| Underground Construction Co Inc | Construction company | Ontario, CA | +1 800 *** **14 | — |
| KAR Construction Inc | Construction company | Ontario, CA | +1 909 *** **54 | karconstruction.com |
| Premier Paving Inc | Paving contractor; As* | Ontario, CA | +1 909 *** **53 | premierpaving.com |
Page 1 of 4 · 65 rows
Pull a live list for construction company in Ontario
MapLeads extracts local businesses from Google Maps, Apple Maps, and Bing Maps— or delivers a ready email list pack when you want a file without running a job. Start a trial, run a real search, and export to CSV the same day.
Construction Company in Ontario
Ontario, CA has 65 construction company businesses in the MapLeads maps index, making construction company the 11th largest vertical in the city (1.2% of Ontario's 5,326 businesses).
63.1% of those construction company rows carry a website — the enrichment pool for an email campaign in Ontario. Counts refresh with each index update.
The construction company market
Where the contractor category skews toward residential trades, construction companies here more often bid commercial, multi-family, or larger-scale residential projects that require bonding and a project management structure beyond a one-person crew. Decision-making sits with an owner or project executive who is juggling multiple simultaneous jobs rather than working tools on-site full time.
Ontario holds 0.1% of the 109,593 construction company businesses MapLeads tracks nationwide; within CA, Los Angeles leads the vertical at 574.
Ontario as a market
Ontario overall holds 5,326 businesses. Its largest verticals are Restaurant (419), Contractor (214), Dentist (148) — construction company sits further down the mix at 11th.
How to use this list
- Start with the 65 Ontario construction company rows below, then expand to nearby cities if volume runs short.
- Prefer rows with a website (63.1% 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: Ontario Construction Company email list
How many construction company businesses are in Ontario?
Ontario, CA has 65 construction company businesses in the MapLeads maps index — 1.2% of the city's 5,326 total, with 63.1% carrying a website. Counts refresh with each index update.
Does "construction-company" overlap with the contractor list, and are the same businesses double-counted across both?
A business can carry both categories if it advertises itself that way on Maps, since each list is pulled independently by its own category slug; comparing business names across the two lists is the way to spot overlap before combining them.
How does Ontario compare with other CA cities for construction company?
Los Angeles leads CA with 574 construction company businesses; Ontario holds 65. Both city markets are linked below.