Contact coverage
49 of 50 company records include email or phone signals across company or employee fields.
- 47 with email signals
- 48 with phone signals
- 36 with LinkedIn profiles
- 129 visible employee profiles
Top Janitorial Service Companies In California
Browse 50 janitorial service companies in California, including 50 with websites, 38 with employee estimates, 49 with contact signals. Featured companies include Zoklean Technologies LLC, The Betty Mills Company, Universal Protection Service.
Quick answer
This page covers 50 janitorial service companies in California. Featured records include Zoklean Technologies LLC, The Betty Mills Company, and Universal Protection Service. 49 companies show email or phone contact signals (98% of the list).
List coverage
Market and location mix
Top observed locations include San Diego, California, USA, Los Angeles, California, USA, and San Mateo, California, USA.
- Common industries: Facilities Support Services, Janitorial Service, Service Industry, Administrative Services, Facilities Support Services, Janitorial Service, Professional Services, Administrative Services, and Building Maintenance, Facilities Support Services, Janitorial Service, Administrative Services
- 38 records include employee-size estimates
- 50 records include websites
Representative companies
Examples from the current list include Zoklean Technologies LLC, The Betty Mills Company, and Universal Protection Service.
- 72% of companies have LinkedIn profile links
- Use the company rows below to compare websites, locations, employee estimates, and contact signals.
About this company market
This directory brings together 50 janitorial service companies in California for side-by-side comparison of company identity, location, employee estimates, founding year, and available contact coverage.
Across the current source records, commonly observed industries include Facilities Support Services, Janitorial Service, Service Industry, Administrative Services, Facilities Support Services, Janitorial Service, Professional Services, Administrative Services, and Building Maintenance, Facilities Support Services, Janitorial Service, Administrative Services and the most frequent recorded locations are San Diego, California, USA, Los Angeles, California, USA, and San Mateo, California, USA. Representative companies include Zoklean Technologies LLC, The Betty Mills Company, and Universal Protection Service. Coverage varies by company, so blank fields remain hidden rather than being inferred.
List highlights
- Largest employee estimate
- Universal Protection Service
- 10K estimated employees in the available record.
- Earliest founded
- PAMS
- Founded in 1946, the earliest populated founding year in this list.
- Most employee profiles
- The Betty Mills Company
- 5 employee profiles connected to the company record.
- Most represented location
- San Diego, California, USA
- 4 company records use this location.
Top company records at a glance
A source-backed comparison of the first 10 records in this list.
| Rank | Company | Location | Employees | Founded | Coverage |
|---|---|---|---|---|---|
| #1 | Zoklean Technologies LLC | San Diego, California, USA | 6 | 2018 | email, phone, and 1 employee profile |
| #2 | The Betty Mills Company | San Mateo, California, USA | 31 | 2002 | email, phone, and 5 employee profiles |
| #3 | Universal Protection Service | Santa Ana, California, USA | 10K | 1965 | email, phone, and 5 employee profiles |
| #4 | Friendly Robots | Berkeley, California, USA | 6 | 2019 | email, phone, and 1 employee profile |
| #5 | Service by Medallion | Mountain View, California, USA | 176 | 1978 | email, phone, and 5 employee profiles |
| #6 | Blackstone Consulting Inc. (BCI) | Los Angeles, California, USA | 7.50K | 1991 | email, phone, and 5 employee profiles |
| #7 | Stratus Building Solutions | Los Angeles, California, USA | 376 | 2006 | email and phone |
| #8 | Green Guard Services | Escondido, California, USA | 31 | 2009 | email, phone, and 3 employee profiles |
| #9 | GMI | San Diego, California, USA | 3.00K | 1972 | email and phone |
| #10 | Geil Enterprises | Fresno, California, USA | 176 | 1986 | email, phone, and 5 employee profiles |
Company records in this list
- Companies listed:
- 50
- With websites:
- 50
- With LinkedIn profiles:
- 36
- With employee estimates:
- 38
- With contact signals:
- 49
- Visible employee profiles:
- 129
- Profiles with contact signals:
- 129
- With founding years:
- 46
- Location:
- California
- Employees:
- 1-10
- Revenue:
- 65K
- Website:
- zoklean.com
- Founded:
- 2018
Zoklean Technologies Llc Employee emails
- Location:
- California
- Employees:
- 11-50
- Revenue:
- 271.25K
- Website:
- bettymills.com
- Founded:
- 2002
The Betty Mills Company Employee emails
- Location:
- California
- Employees:
- 10000+
- Website:
- universalpro.com
- Founded:
- 1965
Universal Protection Service Employee emails
Friendly Robots
Janitorial service, Machinery manufacturing, Robotics
Friendly Robots offers autonomous vacuums for the cleaning industry.
California
1-10 employees
Founded 2019
- Location:
- California
- Employees:
- 1-10
- Website:
- friendlyrobots.co
- Founded:
- 2019
Friendly Robots Employee emails
- Location:
- California
- Employees:
- 101-250
- Website:
- servicebymedallion.com
- Founded:
- 1978
Service By Medallion Employee emails
Blackstone Consulting Inc. (Bci)
Environmental consulting, Facility management, Food and beverage, Janitorial service, Security, Staffing agency
BCI is a minority owned service provider that extends its support in janitorial, security, food services and facilities maintenance.
California
5001-10000 employees
Founded 1991
- Location:
- California
- Employees:
- 5001-10000
- Website:
- blackstone-consulting.com
- Founded:
- 1991
Blackstone Consulting Inc. (Bci) Employee emails
- Location:
- California
- Employees:
- 11-50
- Website:
- greenguardservices.com
- Founded:
- 2009
Green Guard Services Employee emails
- Location:
- California
- Employees:
- 101-250
- Website:
- geilenterprises.com
- Founded:
- 1986
Geil Enterprises Employee emails
- Location:
- California
- Employees:
- unknown
- Website:
- knightequip.com
- Founded:
- 1972
Knight Employee emails
- Location:
- California
- Employees:
- 101-250
- Website:
- frankandgrossman.com
- Founded:
- 1981
Frank + Grossman Employee emails
- Location:
- California
- Employees:
- 101-250
- Website:
- twsfs.com
- Founded:
- 1988
Tws Facility Services Employee emails
- Location:
- California
- Employees:
- 11-50
- Website:
- calicoweb.com
- Founded:
- 1986
Calico Building Services Employee emails
- Location:
- California
- Employees:
- 251-500
- Website:
- priorityservices.net
- Founded:
- 2000
Priority Building Services Employee emails
- Location:
- California
- Employees:
- 251-500
- Website:
- usmetrogroup.com
- Founded:
- 1979
Us Metro Group Employee emails
- Location:
- California
- Employees:
- 251-500
- Website:
- servi-tek.net
- Founded:
- 2006
Servi-Tek Employee emails
- Location:
- California
- Employees:
- unknown
- Website:
- pamsinc.com
- Founded:
- 1946
Pams Employee emails
- Location:
- California
- Employees:
- 251-500
- Website:
- prestigepropertyservices.com
- Founded:
- 1997
Prestige Property Services Employee emails
Swa Services Group
Building maintenance, Cleantech, Commercial, Facilities support services, Facility management, Janitorial service, Professional services
SWA Services Group is a facility maintenance firm that offers patching, landscaping, building maintenance, relocation and painting services.
California
101-250 employees
Founded 2000
- Location:
- California
- Employees:
- 101-250
- Website:
- swagreen.com
- Founded:
- 2000
Swa Services Group Employee emails
- Location:
- California
- Employees:
- unknown
- Website:
- mrcleansystems.com
- Founded:
- 1980
Mr. Clean Maintenance Systems Employee emails
- Location:
- California
- Employees:
- 11-50
- Website:
- thoreauservices.com
- Founded:
- 1983
Thoreau Facilities Services Employee emails
- Location:
- California
- Employees:
- 11-50
- Website:
- all-proent.com
- Founded:
- 1985
All-Pro Enterprises Employee emails
Flo-Kem
Industrial, Janitorial service, Manufacturing
Flo-Kem is a manufacturer of janitorial and industrial maintenance products.
California
unknown employees
Founded 1969
- Location:
- California
- Employees:
- unknown
- Website:
- flo-kem.com
- Founded:
- 1969
Flo-Kem Employee emails
- Location:
- California
- Employees:
- 101-250
- Website:
- midaindustries.com
- Founded:
- 1989
Mida Industries Employee emails
- Location:
- California
- Employees:
- 11-50
- Website:
- harborbm.com
- Founded:
- 2012
Harbor Building Maintenance Employee emails
- Location:
- California
- Employees:
- 251-500
- Website:
- spencerservices.com
- Founded:
- 1997
Spencer Building Maintenance Employee emails
- Location:
- California
- Employees:
- 11-50
- Website:
- peerlesssvc.com
- Founded:
- 1967
Peerless Maintenance Service Employee emails
- Location:
- California
- Employees:
- unknown
- Website:
- geauxind.com
- Founded:
- 2016
Geaux Industries Employee emails
- Location:
- California
- Employees:
- 101-250
- Website:
- blueskypest.com
- Founded:
- 1999
Blue Sky Pest Control Employee emails
Dsp Janitorial Service
Facilities support services, Facility management, Janitorial service, Professional services, Service industry
DSP Janitorial Service provides cleaning, floor care, window washing, carpet cleaning, and janitorial services.
California
unknown employees
Founded 1969
- Location:
- California
- Employees:
- unknown
- Website:
- dynamichousecleaning.com
- Founded:
- 1980
- Location:
- California
- Employees:
- 11-50
- Website:
- uniservecorp.com
- Founded:
- 1966
Uniserve Facilities Services Employee emails
Sandstrand
Commercial, Facilities support services, Facility management, Janitorial service, Service industry
Sandstrand is a commercial janitorial company.
California
251-500 employees
Founded 2009
- Location:
- California
- Employees:
- 251-500
- Website:
- sandstrandservices.com
- Founded:
- 2009
Sandstrand Employee emails
- Location:
- California
- Employees:
- unknown
- Website:
- guitons.com
- Founded:
- 1965
Guiton's Pool Center Employee emails
North Star Building Maintenance
Consulting, Janitorial service
Provide value through quality Janitorial Services at competitive rates
California
51-100 employees
Founded 2004
- Location:
- California
- Employees:
- 51-100
- Website:
- northstarmaint.com
- Founded:
- 2004
North Star Building Maintenance Employee emails
- Location:
- California
- Employees:
- unknown
- Website:
- prpaper.com
P&r Paper Supply Employee emails
- Location:
- California
- Employees:
- unknown
- Website:
- selectjanitorialservices.net
- Founded:
- 1980
Select Janitorial Employee emails
- Location:
- California
- Employees:
- 101-250
- Website:
- skylinebuildingcare.com
- Founded:
- 2010
Skyline Building Care Employee emails
How this list was built
- 1 Companies are included when source records match janitorial service companies in California.
- 2 Coverage counts are calculated from fields that are present in the current source record for each company.
- 3 The top-record comparison preserves the current list order; highlights compare only populated source fields.
- 4 Blank fields are omitted instead of filled with placeholder text.
- 5 Source records are refreshed when upstream records change; a per-page refresh timestamp is not available yet.
Frequently asked
- What is included in this janitorial service companies in California list?
- It includes 50 company records with available company names, websites, locations, LinkedIn links, employee estimates, and contact signals when those fields are present.
- How does AeroLeads choose companies for this page?
- Companies are included when AeroLeads source records match janitorial service companies in California; empty fields are hidden so the page shows only available evidence.
- Which companies are examples from this list?
- Representative records include Zoklean Technologies LLC, The Betty Mills Company, and Universal Protection Service.
- Which listed janitorial service companies has the largest employee estimate?
- Universal Protection Service has the largest populated employee estimate in the current list at 10K. Employee figures are source estimates and may change.
Related company lists
Similar Lists for Janitorial Service
- Top Janitorial Service Companies In Tokyo
- Top Janitorial Service Companies In Virginia
- Top Janitorial Service Companies In Pennsylvania
- Top Janitorial Service Companies In Georgia
- Top Janitorial Service Companies In Nordrhein Westfalen
- Top Janitorial Service Companies In Belgium
- Top Janitorial Service Companies In Colorado
- Top Janitorial Service Companies In Phoenix
- Top Janitorial Service Companies In North Carolina
- Top Janitorial Service Companies In South Carolina
Similar Lists for California
- Top Hospital & Health Care Companies In California
- Top Fund Raising Companies In California
- Top Transportation Trucking Railroad Companies In California
- Top Broadcast Media Companies In California
- Top Professional Training & Coaching Companies In California
- Top Market Research Companies In California
- Top Electrical Electronic Manufacturing Companies In California
- Top Paper & Forest Products Companies In California
- Top Facilities Services Companies In California
- Top Gambling & Casinos Companies In California
Free Chrome Extension
Find emails, phones & company data instantly
Find verified emails from LinkedIn profiles
Get direct phone numbers & mobile contacts
Access company data & employee information
Works directly on LinkedIn - no copy/paste needed
Download 750 million emails and 100 million phone numbers
Access emails and phone numbers of over 750 million business users. Instantly download verified profiles using 20+ filters, including location, job title, company, function, and industry.
Start your free trial
AeroLeads intelligence
AeroLeads intelligence
Explore AeroLeads intelligence
Browse source-backed company, employee, and list intelligence across AeroLeads.