Best IT MSP ranks 309 managed IT providers serving manufacturing clients in California. The review-weighted rating is 4.88 out of 5 across 9,766 verified Google reviews.
| # | Provider | Rating |
|---|---|---|
| 1 | Integrity Tech Rancho Cucamonga, CA (Inland Empire, serving Corona) | 105 reviews |
| 2 | Relion Cerritos, CA (serving Downey) | 94 reviews |
| 3 | Advanced Networks Los Angeles, CA (serving the South Bay) | 88 reviews |
| 4 | LAN WAN Enterprise Irvine, CA | 172 reviews |
| 5 | Intelligent Technical Solutions San Francisco, CA (serving the Bay Area) | 107 reviews |
| 6 | Network Remedy Santa Clara, CA (serving the Bay Area) | 80 reviews |
| 7 | Intelecis Irvine, CA (Orange County) | 87 reviews |
| 8 | The Tech Consultants (TTC) Carson, CA | 76 reviews |
| 9 | GenCare Glendale, CA | 116 reviews |
| 10 | Forum Info-Tech Corona, CA (Inland Empire) | 172 reviews |
| 11 | Advanced Business Innovations Burbank, CA (San Fernando Valley) | 128 reviews |
| 12 | Sam's IT Solutions Pasadena, CA (San Gabriel Valley, serving El Monte) | 431 reviews |
| 13 | IT Support LA Calabasas, CA (LA metro) | 123 reviews |
| 14 | Blue Network Inc Rancho Dominguez, CA (serving Downey) | 39 reviews |
| 15 | GitsTel North Highlands, CA (serving Elk Grove) | 49 reviews |
| 16 | smplsolutions Lake Forest, CA (Orange County) | 22 reviews |
| 17 | DivergeIT Torrance, CA (serving Carson and the South Bay) | 70 reviews |
| 18 | Noble Technology Group La Mesa, CA | 60 reviews |
| 19 | Be Structured Technology Group Los Angeles, CA (serving Compton) | 65 reviews |
| 20 | HAAG Networking Tustin, CA (serving Orange) | 11 reviews |
| 21 | Atech MSP Bakersfield, CA | 51 reviews |
| 22 | WTC - Managed IT Services Ventura County (serving Ventura) | 12 reviews |
| 23 | CMIT Solutions of Anaheim West Anaheim, CA (serving Garden Grove) | 34 reviews |
| 24 | VC3 Williston, VT (Burlington metro) | 65 reviews |
| 25 | GTI Tustin, CA (serving Orange) | 11 reviews |
| 26 | KME Systems Irvine, CA (serving Costa Mesa) | 372 reviews |
| 27 | Simplified IT Consulting Woodland Hills, CA (San Fernando Valley) | 14 reviews |
| 28 | CMIT Solutions of Anaheim West Anaheim, CA | 34 reviews |
| 29 | Pacific Computer Consultants Concord, CA (Bay Area) | 24 reviews |
| 30 | Digicom Technology Solutions Bay Area, CA (serving North Bay) | 26 reviews |
See the national manufacturing ranking or the California MSP market report.
A manufacturer's IT problem is usually an OT problem. Machines on the shop floor run controllers no one wants to patch during a production run, often on operating systems the vendor stopped supporting years ago, and an hour of downtime is measured in lost output rather than lost email.
NIST 800-171 and CMMC where defense work is in the supply chain, ISO 27001 where customers demand it, and segmentation between the business network and the plant floor as a matter of basic practice rather than compliance.
Drawn from the providers ranked on Best IT MSP's California city listings and filtered to those whose own recorded data names manufacturing. Specialization is never inferred. Entries are deduplicated to one per company and ordered by the same confidence-weighted rating the city listings use. Paid placement is labelled and excluded from the structured data.
309 providers ranked in California record manufacturing among the industries they serve. Each company is counted once.
Yes. It is drawn from the providers ranked on Best IT MSP's California city listings, filtered to those whose own data names manufacturing.
NIST 800-171 and CMMC where defense work is in the supply chain, ISO 27001 where customers demand it, and segmentation between the business network and the plant floor as a matter of basic practice rather than compliance.
How do you segment the plant floor from the business network, and can you show it?; What is your approach to machines running unsupported operating systems we cannot replace?; What does your response look like at 2am when a line goes down?
By a confidence-weighted rating that accounts for review volume, so a 5.0 average on four reviews does not outrank a 4.9 on two hundred and fifty. Paid placement is labelled and never mixed into the earned order.
It is a live rollup of the California city listings, rebuilt whenever those change. The data behind this page is current as of August 2026.