MSP-US-CA-ONSITE-COMPUTING-I
Onsite Computing, Inc. IT Services, Cybersecurity, Cloud, VoIP
Managed service provider · Corona, California
Founded 200124/7
Website onsitecomputing.netLinkedIn
Last checked 8 Nov 2026 · 29 sourced facts
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“Get reliable managed IT services and IT support from Onsite Computing. We help Southern California businesses improve security, uptime, and productivity.”reported by the company · onsitecomputing.net · 8 Nov 2026
- Staff / size
- –
- Founded
- 200125 yrs
- Offices
- 1
- Services
- 12of 13
- Industries
- 5
- Stack tools
- 1
- Certifications
- 0
- Support
- 24/7
1Stack: the tools we found
- PSA / ticketingnot found
- RMMnot found
- Remote accessnot found
- Documentationnot found
- Securitynot found
- Backupnot found
- MailMicrosoft 365DNS
- NetworkingSonicWallSite
Marks: DNS detected in public DNS, Site named or badged on their site, Job ad named in their job ad. “Not found” means not seen on public pages, not “not used”. See how we check.
Every tool with its source
| Tool | How we know |
|---|---|
| SonicWall | named on their site · onsitecomputing.net · 8 Nov 2026 |
| Microsoft 365 (own mail) | detected (public DNS) · onsitecomputing.net · 8 Nov 2026 |
2Services coverage
- Help desk / IT support (offered)
- Co-managed IT (offered)
- NOC / monitoring (offered)
- SOC / MDR (offered)
- Cybersecurity (offered)
- Cloud / Microsoft 365 / Azure (offered)
- Backup / disaster recovery (offered)
- Compliance (offered)
- VoIP / UCaaS (offered)
- Networking (offered)
- IT procurement (not found)
- vCIO / consulting (offered)
- AI services (offered)
From onsitecomputing.net/it-services/, onsitecomputing.net/industries/non-profit/, onsitecomputing.net. Empty squares: not found on their pages.
Compliance frameworks named: HIPAACMMCPCI DSSGDPR
3Industries served
HealthcarepageLegalpageManufacturingpageNonprofit / charitypageGovernment / public sectorpage
| Client size targeted | not published |
|---|
From the MSP’s industry pages and case studies. Sources: /industries/healthcare/, /industries/law-firms/, /industries/manufacturing/, /industries/non-profit/, /industries/government/.
4Support model
24 hours, 7 days (as published)
| Support hours | 24/7reported by the company · onsitecomputing.net · 8 Nov 2026 |
|---|---|
| Published hours | not published |
| 24/7 monitoring | yesreported by the company · onsitecomputing.net · 8 Nov 2026 |
| After-hours / emergency line | not published |
| Help desk location | not published |
| Response time / SLA | not published |
5Location and company
Outline: US Census Bureau cartographic boundaries. HQ position from its public map listing, to about 1 km.
| Headquarters | 200 S Main St Ste 132, Corona, CA 92882Google Maps listing · google.com · 8 Nov 2026 |
|---|---|
| Other offices | not published |
| Service area (as published) | not published |
| Trading name | Onsite Computing, Inc. IT Services, Cybersecurity, Cloud, VoIPGoogle Maps listing · google.com · 8 Nov 2026 |
| Legal name | Onsite Computing, Inc.reported by the company · onsitecomputing.net · 8 Nov 2026 |
| Phone (switchboard) | +1 951-444-9501Google Maps listing · google.com · 8 Nov 2026 |
| Business mailbox | info@onsitecomputing.netreported by the company · onsitecomputing.net · 8 Nov 2026 |
| Ownership | not published |
| Google rating | 5 / 5 from 63 reviewsGoogle Maps listing · google.com · 7 Nov 2026 |
6Size, certifications and peers
| Staff (their site) | not published |
|---|---|
| Size band | not published |
| LinkedIn company size | not published |
| Clients (as published) | not published |
| Microsoft partner | not published |
| Vendor partner tiers | not published |
| Own certifications | not published |
- size not published
- 1 stack tool found vs a median of 1 across 8,920 fully researched US MSPs.
- 12 of 13 services vs a median of 8.
From the public profiles on MSP Scope (sample sizes shown). Facts not found count as not found, so small or quiet websites score lower.
7Timeline
- 2001Foundedreported by the company · onsitecomputing.net · 8 Nov 2026
Only dated, sourced items. Acquisitions and rebrands appear here when the MSP or a public register states them.
8Pricing (as published)
no prices published on the pages we read
Only prices the MSP publishes for its own managed service (per user or per device). See published MSP pricing.
9Nearby and similar MSPs in Corona
Forum Info-TechCorona · 11–50 staff
IT Center of Southern CaliforniaCorona- Be Structured Technology Group, Inc.Los Angeles · 11–50 staff
Axus NetworksBurbank
Crimson ITLos Angeles · 51–200 staff
The Tech ConsultantsWoodland Hills · 11–50 staff
Same town first, then similar size, stack and services. More: all MSPs in Corona · all MSPs in California · other MSPs offering help desk / it support.
10Revision history and sources
Researched 8 Nov 2026 (full pass), last checked 8 Nov 2026. 17 public pages read.
Logo: from onsitecomputing.net, the MSP’s own site, seen 8 Nov 2026; trimmed and resized only. Remove or replace it.
Pages we read
- www.onsitecomputing.net/
- www.onsitecomputing.net/about-us/
- www.onsitecomputing.net/about-us/careers/
- www.onsitecomputing.net/it-services/
- www.onsitecomputing.net/cyber-security/
- www.onsitecomputing.net/it-services/managed-it/
- www.onsitecomputing.net/contact-us/
- www.onsitecomputing.net/industries/smb/
- www.onsitecomputing.net/industries/law-firms/
- www.onsitecomputing.net/industries/non-profit/
- www.onsitecomputing.net/industries/healthcare/
- www.onsitecomputing.net/about-us/our-partners/
- www.onsitecomputing.net/2026/10/29/disconnected-business-systems/
- www.onsitecomputing.net/cyber-security/cmmc-compliance/
- www.onsitecomputing.net/cyber-security/risk-assessment/
- www.onsitecomputing.net/about-us/what-our-clients-say/
- www.onsitecomputing.net/news/
Anything not found stays empty. We never guess. Spot an error? Correct it.