Construction companies · California

Construction companies in Signal Hill, CA

98 contractors in Signal Hill with phone numbers, 41 with email addresses. Search the list, unlock the ones you want and start calling today.

Get the Signal Hill list freeSee a sample
98
businesses
100%
have a phone number
42%
have an email address (41)
—
average Google rating
Sample

A sample of construction companies in Signal Hill

Twelve of the 98 contractors on the list. Phone numbers and emails unlock in the app — 1 credit per business, both together.

BusinessCategoryRatingWebsitePhoneEmail
Walters Wholesale Electric Co. - CorporateElectronics Store; Construction Supplies Store; Lighting Store—Yes(562) •••-••••Available
Fuller GlassGeneral Contractor—Yes(562) •••-••••Available
Har BroCarpenter; General Contractor—Yes(562) •••-••••Available
Asphalt Fabric And EngineeringGeneral Contractor—Yes(562) •••-••••Available
Modern Concrete SurfaceGeneral Contractor—Yes(562) •••-••••Available
Castillo Electric DistributionConstruction Supplies Store—Yes(562) •••-••••Available
Superior Gypsum EnterprisesGeneral Contractor—Yes(562) •••-••••Available
Globe CommunicationsElectrician; General Contractor—Yes(562) •••-••••Available
Consolidated Industrial ServicesGeneral Contractor—Yes(562) •••-••••Available
Aames Carpet CareCarpet and Flooring Contractor; Professional Cleaning Service—Yes(562) •••-••••Available
Murphy Industrial CoatingsGeneral Contractor; Painter—Yes(562) •••-••••Available
Ellis EquipmentConstruction Supplies Store—Yes(562) •••-••••Available

Showing 12 of 98. Data refreshed October 2026.

The market

What Signal Hill's contractors look like

0% of rated contractors here hold 4.5★ or better — there is room for businesses that push for reviews.
0 carry a perfect 5.0★ rating; 98 have no rating yet — prime prospects for review and reputation services.
20 (20%) have no website listed — a ready-made list for web design and SEO offers.
33% link a Facebook or Instagram page from their listing.

Most common listings

  • General Contractor30
  • Construction Supplies Store14
  • Home Improvement Service9
  • Construction9
  • Carpet and Flooring Contractor3
  • General Contractor; Roofer2

Area codes

  • (562)86
  • (310)3
  • (424)2
  • (714)2
  • (818)1
  • (650)1
Playbook

How to sell to contractors in Signal Hill

This category covers general contractors, renovation firms, builders, excavators and concrete and framing companies. Projects are larger and longer, and the person you need is usually the owner or the estimator.

Who sells to contractors

  • Construction software (estimating, scheduling, takeoffs, project management)
  • Equipment rental and heavy-equipment dealers
  • Building-materials suppliers
  • Bonding, builder's risk and liability insurance
  • Accounting and job-costing firms
  • Subcontractor and trade recruiting

What keeps owners up at night

  • Cash flow between progress payments
  • Bidding accurately and winning the right jobs
  • Coordinating subs and keeping schedules
  • Labour shortages
When to reach themEarly morning, before site visits, or late afternoon. Winter is planning and bidding season in colder markets, which is a good time to sell software and services.
The angle that worksTalk about margin and schedule risk. "How much did your last job overrun?" opens more doors than "we save you time."
Reaching out in the USB2B cold email is governed by CAN-SPAM: honest headers and subject lines, a physical address and an opt-out you honor. Phone outreach has its own rules, especially for cell phones. Read our CAN-SPAM guide and cold-calling rules before you start.
FAQ

Questions about Signal Hill contractors leads

How many construction companies in Signal Hill, CA are in the database?
98 construction companies in Signal Hill, CA, as of October 2026. 98 of them have a phone number and 41 have an email address.
How much does it cost to get these leads?
Every account starts with 25 free credits. Unlocking a contact (phone and email together) costs 1 credit. The Starter plan is $39/month for 2,500 credits — about 1.6¢ a contact — so the whole Signal Hill list of 98 costs less than one month of Starter. See pricing.
Can I export the list to a dialer or CRM?
Yes. Unlocked contacts export to CSV, Excel or JSON with phone, email, website, address, category and rating, ready for any dialer or CRM.
Where does the data come from?
From public business listings — the same information contractors publish so customers can find them — cleaned, de-duplicated by phone number and refreshed regularly. Businesses can ask to be removed at any time.

Construction companies in other cities

Los Angeles, CASan Diego, CASan Francisco, CASan Jose, CASacramento, CAFresno, CALong Beach, CARiverside, CAAll construction companies →

Start calling Signal Hill contractors today

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